10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-K

(Mark One)

☒	Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the fiscal year ended May 31, 2022 or
☐	Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the transition period from                 to                

Commission file number 1-6263

AAR CORP.

(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction of incorporation or organization) 36-2334820
(I.R.S. Employer Identification No.)

One AAR Place, 1100 N. Wood Dale Road, Wood Dale, Illinois 60191

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: (630) 227-2000

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Trading Symbol(s)	Name of Each Exchange on Which Registered
Common Stock, $1.00 par value	AIR	New York Stock Exchange
		Chicago Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☒ No ☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes ☐ No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☒ Accelerated filer ☐ Non-accelerated filer ☐ Smaller reporting company ☐ Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐  

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.  ☒

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

The aggregate market value of the registrant’s voting stock held by nonaffiliates was approximately $1,105 million (based upon the closing price of the Common Stock at November 30, 2021 as reported on the New York Stock Exchange).

On June 30, 2022, there were 35,416,624 shares of Common Stock outstanding.

Documents Incorporated by Reference

Portions of the Company’s proxy statement for the Company’s 2022 Annual Meeting of Stockholders, to be held September 20, 2022, are incorporated by reference in Part III of this report.

TABLE OF CONTENTS

		Page
PART I
Item 1.	Business	2
Item 1A.	Risk Factors	8
Item 1B.	Unresolved Staff Comments	17
Item 2.	Properties	17
Item 3.	Legal Proceedings	17
Item 4.	Mine Safety Disclosures	17
PART II
Item 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	18
Item 6.	(Reserved)	19
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	20
Item 7A.	Quantitative and Qualitative Disclosures about Market Risk	30
Item 8.	Financial Statements and Supplementary Data	31
Item 9.	Changes in and Disagreements With Accountants on Accounting and Financial Disclosure	72
Item 9A.	Controls and Procedures	72
Item 9B.	Other Information	74
Item 9C.	Disclosure Regarding Foreign Jurisdictions that Prevent Inspections	74
PART III
Item 10.	Directors, Executive Officers and Corporate Governance	74
Item 11.	Executive Compensation	74
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	74
Item 13.	Certain Relationships and Related Transactions, and Director Independence	75
Item 14.	Principal Accountant Fees and Services	75
PART IV
Item 15.	Exhibits and Financial Statement Schedules	75
EXHIBIT INDEX		75
Item 16.	Form 10-K Summary	79
SIGNATURES		80

PART I

ITEM 1.BUSINESS

General

AAR CORP. and its subsidiaries are referred to herein collectively as “AAR,” “Company,” “we,” “us,” and “our” unless the context indicates otherwise. AAR was founded in 1951, organized in 1955 and reincorporated in Delaware in 1966. We are a diversified provider of products and services to the worldwide aviation and government and defense markets.

Fiscal 2022 began with our focus centered on continuing to navigate the unprecedented decline in commercial passenger flight hours. We maintained our strategy of leveraging our efficiency gains, optimized portfolio and strong balance sheet to drive growth and margin expansion through the recovery in our commercial markets from the impact of COVID-19. Our sales to commercial customers in fiscal 2022 increased by $277.4 million, or 34.4%, over the prior year as we were successful in driving sales growth through the uneven recovery from COVID-19.

We were also successful in winning new long-term agreements in both our commercial and government markets. We were awarded an exclusive distribution agreement with Collins Aerospace’s Goodrich De-Icing & Specialty Heating Systems business. Under the agreement, we provide airlines, business jet and other aircraft operators as well as maintenance, repair and overhaul (“MRO”) facilities globally with de-icers and supporting products. We also were awarded a five-year renewal of our power-by-the-hour component pool and repair support program for flydubai’s fleet of 33 Boeing 737NG aircraft.

Our sales to government customers in fiscal 2022 decreased by $109.7 million, or 13.0%, from the prior year as we were impacted by the U.S. exit from Afghanistan in fiscal 2022 and certain programs coming to a natural completion. The operations related to our activities in Afghanistan contributed revenue of $67 million and $43 million in fiscal 2021 and fiscal 2022, respectively. During fiscal 2022, we were awarded a firm fixed price, indefinite delivery/indefinite quantity contract from the Air Force to support United States Air Forces in Europe (“USAFE”) F-16 aircraft. This $365 million, ten-year contract provides for F-16 depot work as well as Service Life Extension Program modifications and maintenance.

During fiscal 2022, we continued our strong focus on working capital management with cash flows from operating activities from continuing operations of $89.8 million. Borrowings outstanding under the Revolving Credit Facility were $100.0 million at May 31, 2022 with an availability on the facility of $488.6 million.

Our long-term strategy also emphasizes the return of capital to shareholders. In December 2021, our Board of Directors authorized a renewal of our stock repurchase program. The authorization has no expiration date and permits the Company to repurchase up to $150 million of our common stock. We were able to return capital to shareholders through common stock repurchases of $42.4 million during fiscal 2022 and expect to fully utilize the authorization by the end of calendar 2023.

Over the long-term, we expect to see strength in our Aviation Services segment given its offerings of value-added services to both commercial and government and defense customers. We believe long-term commercial aftermarket growth trends are favorable. As we continue to invest in the pipeline of opportunities in the government market and maintain our focus on the commercial market recovery, our long-term strategy continues to emphasize investing in the business and capitalizing on opportunities in those markets.

Business Segments

Aviation Services

The Aviation Services segment provides aftermarket support and services for the commercial aviation and government and defense markets and accounted for approximately 95% of our sales in fiscal 2022, 2021, and 2020. In this segment, we also provide inventory management and distribution services, MRO services, and engineering services. Business activities in this segment are primarily conducted through AAR Supply Chain, Inc.; AAR Government Services, Inc.; AAR Aircraft & Engine Sales & Leasing, Inc.; AAR Aircraft Services, Inc.; AAR Allen Services, Inc.; AAR Landing Gear LLC; AAR Airlift Group, Inc.; and AAR International, Inc.

We sell and lease a wide variety of new, overhauled and repaired engine and airframe parts and components and aircraft to our commercial aviation and government/defense customers.

2

We provide customized flight hour component inventory and repair programs, warranty claim management, and outsourcing programs for engine and airframe parts and components in support of our airline and government customers’ maintenance activities.  The types of services provided under these programs include some or all of the following functions: material planning, sourcing, logistics, information and program management, and parts and component repair and overhaul.  We are also an authorized distributor for more than 30 product lines, which include parts from over 300 Federal Supply Class codes sourced from over 25 leading aviation original equipment manufacturers (“OEM”s).

We provide fleet management and operations of customer-owned aircraft for the U.S. Department of State (“DoS”) under the INL/A WASS contract. We are the prime contractor on this ten-year performance-based contract which began in fiscal 2018. Our services under the contract include operating and maintaining the global DoS fleet of fixed- and rotary-wing aircraft.

We also provide customized performance-based supply chain logistics programs in support of the U.S. Department of Defense (“DoD”) and foreign governments. The types of services provided under these programs include some or all of the following functions: material planning, sourcing, logistics, information and program management, airframe maintenance and maintenance planning, and component repair and overhaul.

We provide major airframe inspection, maintenance, repair and overhaul, painting services, line maintenance, airframe modifications, structural repairs, avionics service and installation, exterior and interior refurbishment, and engineering services and support for many types of commercial and military aircraft. We also repair and overhaul various components, landing gears, wheels, and brakes for commercial and military aircraft.

We operate six airframe maintenance facilities and one landing gear overhaul facility. Our landing gear overhaul facility is in Miami, Florida, where we repair and overhaul landing gear, wheels, brakes, and actuators for different types of commercial and military aircraft. Our U.S. airframe maintenance facilities are in Indianapolis, Indiana; Oklahoma City, Oklahoma; Miami, Florida; and Rockford, Illinois and our Canadian airframe maintenance facilities are in Trois Rivieres, Quebec and Windsor, Ontario.  

In addition to our North American facilities, we also have an interest in a joint venture to develop and operate an airframe maintenance facility in India. The facility received certain regulatory approvals and commenced airframe maintenance operations in the second quarter of fiscal 2022.

The majority of our product sales are made pursuant to standard commercial purchase orders. Government sales are generally made under standard types of government contracts, which can include firm fixed-price contracts, cost plus fixed fee contracts, and time-and-materials contracts.  For cost plus fixed fee contracts, we typically receive reimbursement of our costs, to the extent the costs are allowable under contractual and regulatory provisions, in addition to receiving a fixed fee. Some of our contracts call for the performance of specified services or the delivery of specified products under indefinite delivery/indefinite quantity (“ID/IQ”) arrangements. Certain inventory supply and management and performance-based logistics program agreements reflect negotiated terms and conditions.

To support activities within the Aviation Services segment, we acquire aviation parts and components from domestic and foreign airlines, independent aviation service companies, aircraft leasing companies, and OEMs. We have ongoing arrangements with OEMs that provide us access to parts, repair manuals, and service bulletins in support of parts manufactured by them.  Although the terms of each arrangement vary, they typically are made on standard OEM terms as to duration, price, and delivery.  From time to time, we purchase airframes and engines for disassembly into individual parts and components.  Airframes and engines may also be leased to airlines on a short-term basis prior to disassembly or sale.

Expeditionary Services

The Expeditionary Services segment primarily consists of products and services supporting the movement of equipment and personnel by the U.S. and foreign governments and non-governmental organizations. The Expeditionary Services segment accounted for approximately 5% of our sales in fiscal 2022, 2021, and 2020. Business activities in this segment are primarily conducted through AAR Manufacturing, Inc. and Brown International Corporation.

3

We design, manufacture, and repair transportation pallets and a wide variety of containers and shelters used in support of military and humanitarian tactical deployment activities.  The containers and shelters are used in numerous mission requirements, including armories, supply and parts storage, refrigeration systems, tactical operation centers, briefing rooms, laundry and kitchen facilities, water treatment, and sleeping quarters. Shelters include both stationary and vehicle-mounted applications.We also provide engineering, design, and system integration services for specialized command and control systems.

During the first quarter of fiscal 2021, we sold our composites manufacturing business, which resulted in a charge of $20.2 million. The sale of the Composites business was consistent with our multi-year strategy to focus our portfolio on our core services offerings, and the transaction has allowed us to further prioritize our efforts in our principal operations.

Sales in this segment are generally made to customers pursuant to standard commercial purchase orders and contracts.  Government sales are generally made under standard types of government contracts, which can include firm fixed-price contracts, cost plus fixed fee contracts, and time-and-materials contracts.  Some of our contracts call for the performance of specified services or the delivery of specified products under ID/IQ arrangements, however, the majority of our products and services are procured via definite contracts.

Raw Materials and Procurement of Repair and Other Services

Although we generated approximately 60% of our fiscal 2022 sales from the sale of products, we are generally engaged in only limited manufacturing activities and have minimal exposure to fluctuations in both the availability and pricing of raw materials.  We purchase raw materials for our manufacturing operations, including steel, aluminum, extrusions, balsa, and other necessary supplies from several vendors. Where necessary, we have been able to obtain raw materials and other inventory items from numerous sources for each segment at competitive prices, terms, and conditions, and we expect to be able to continue to do so.

Historically, we have not been significantly impacted by inflation. Increases in raw material costs, freight, or other costs have generally been offset through efficiencies or price increases.  A portion of our contracts contain terms and conditions that enable us to pass inflationary price increases to our customers.  In those cases whereby inflationary increases are not contractually stipulated, we attempt to actively negotiate price increases.  We have consistently implemented actions to deliver efficiencies and cost savings. While the historical benefits of these efforts have generally offset the margin impact of competitive pricing conditions in the markets that we serve, there are no assurances that higher prices can effectively be passed through to our customers or that we will be able to fully offset the effects of higher costs through price increases on a timely basis.

Terms of Sale

We generally sell our products and services under standard 30-day payment terms.  On occasion, certain customers will negotiate extended payment terms of 60-90 days.  Except for customary warranty provisions, customers neither have the right to return products nor do they have the right to extended financing. Our government contracts may extend several years and include one or more base years and one or more option years. The government generally has the right not to exercise options to extend or expand our contracts and may otherwise terminate, cancel, or modify some contracts at its convenience.

Customers

The principal customers for our products and services in the Aviation Services segment are domestic and foreign passenger airlines, domestic and foreign cargo airlines, regional and commuter airlines, business and general aviation operators, OEMs, aircraft leasing companies, aftermarket aviation support companies, the DoD and its contractors, the DoS, and foreign military organizations or governments.  In the Expeditionary Services segment, our principal customers include the DoD and its contractors, foreign military organizations or governments, defense organizations, and OEMs.

Sales of aviation products and services to our commercial airline customers are generally affected by such factors as the number, type and average age of aircraft in service, the levels of aircraft utilization (e.g., frequency of schedules, flying hours, and take-off and landing cycles), the number of airline operators, the general economy, and the level of sales of new and used aircraft. Sales to the DoD and other government agencies are subject to a number of factors, including the level of troop deployment worldwide, government funding, competitive bidding, and requirements generated by worldwide geopolitical events.

4

We primarily market and sell products and services through our own employees.  In certain markets outside of the United States, we rely on foreign sales representatives to assist in the sale of our products and services.

Sales to Government and Defense Customers

Sales to global government and defense customers (including sales to branches, agencies, and departments of the U.S. government) were $736.2 million (40.5% of consolidated sales), $845.9 million (51.2% of consolidated sales) and $778.8 million (37.6% of consolidated sales) in fiscal 2022, 2021 and 2020, respectively.  Sales to branches, agencies, and departments of the U.S. government and their contractors were $620.0 million (34.1% of consolidated sales), $738.8 million (44.7% of consolidated sales) and $668.2 million (32.2% of consolidated sales) in fiscal 2022, 2021, and 2020, respectively.

Sales to government and defense customers are reported in each of our reportable segments (See Note 15 of Notes to Consolidated Financial Statements).  Since such sales are subject to competitive bidding and government funding, no assurance can be given that such sales will continue at levels previously experienced.  The majority of our U.S. government sales are for products and services supporting the DoD logistics and mobility strategy and supporting DoS flight operations.  Thus, our government contracts have changed, and may continue to change, with fluctuations in defense and other governmental agency spending and requirements.

For example, the U.S. Government decided to withdraw its U.S. Department of State personnel presence in Afghanistan during calendar year 2021.  In conjunction with the U.S. exit from Afghanistan, we concluded our activities in country under our INL/A WASS and U.S. Department of Defense contracts.  The operations related to our activities in Afghanistan contributed revenue of $67 million in fiscal 2021.

Our government contracts are also often subject to termination for convenience by the customer; in the event of such a termination, we are contractually entitled to recover all allowable costs incurred by us through the date of termination.

Government Regulation and Certificates

The Federal Aviation Administration (“FAA”) regulates the manufacture, repair, and operation of all aircraft and aircraft parts operated in the United States.  Similar rules and regulatory authorities exist in other countries.  The inspection, maintenance and repair procedures for the various types of aircraft and equipment are prescribed by these regulatory authorities and can be performed only by certified repair facilities utilizing certified technicians.  The FAA requires that various maintenance routines be performed on aircraft engines, certain engine parts, and airframes at regular intervals based on take off and landing cycles or flight time.  Our businesses, which sell defense products and services directly to the U.S. government or through its contractors, can be subject to various laws and regulations governing pricing and other factors.

We have nine FAA certificated repair stations in the United States, Canada, and Europe.  Of the nine certificated FAA repair stations, seven are also European Aviation Safety Agency (“EASA”) and three are also Transport Canada Civil Aviation (“TCCA”) certificated repair stations.  Such certificates, which are ongoing in duration, are required for us to perform authorized maintenance, repair, and overhaul services for our customers and are subject to revocation by the government for non-compliance with applicable regulations.  All of the certificated repair stations are in the Aviation Services segment.  We believe that we possess all licenses and certifications that are material to the conduct of our business.

We also have a 40% ownership interest in a joint venture in Nagpur, India which operates an airframe maintenance facility as a Directorate General of Civil Aviation (“DGCA”) certificated repair station for heavy maintenance on Airbus A320 aircraft.

Competition

Competition in each of our markets is based on quality, ability to provide a broad range of products and services, speed of delivery, and price.  Competitors in our Aviation Services segment include OEMs, the service divisions of large commercial airlines, and other independent suppliers of parts, repair, and overhaul services to the commercial and defense markets.  Our Expeditionary Services segment competes with a number of divisions of large corporations and other large and small companies.  Although certain of our competitors have substantially greater financial and other resources than we do, we believe that we have maintained a satisfactory competitive position through our responsiveness to customer needs, our attention to quality, and our unique combination of market expertise and technical and financial capabilities.

5

Backlog

Backlog represents the amount of revenue that we expect to derive from unshipped orders or signed contracts.  The backlog primarily relates to our long-term programs where we provide component inventory management, supply chain logistics programs, and/or repair services.  Backlog includes our remaining performance obligations based on the transaction price of firm orders for which work has not yet been performed as of May 31, 2022 and excludes unexercised contract options and potential orders under contracts such as ID/IQ contracts.

At May 31, 2022, our firm backlog was approximately $850 million, and we expect that approximately 45% of this backlog will be recognized as revenue over the next 12 months, with approximately 55% of the remaining balance recognized as revenue over the next three years.

Human Capital Resources

As of May 31, 2022, we had approximately 4,500 employees worldwide, with approximately 3,300 employees in the United States and approximately 1,200 employees outside of the United States. We also retained approximately 350 contract workers as of May 31, 2022, the majority of whom are located at our airframe maintenance facilities.  We retain these contract workers as they provide unique skill sets which are necessary at certain facilities as well as mitigate the impact of demand variability with our customers.

Our employees set the foundation for our ability to achieve our strategic objectives. In particular, the employees in our MRO facilities, sales, and quality assurance departments are instrumental in driving operational execution and strong financial performance, and maintaining a strong quality and compliance program.

The success and growth of our business depends in large part on our ability to attract, retain and develop a population of talented and high-performing employees at all levels of our organization.  To achieve this objective we have formulated a human capital management strategy, which includes the components below:

Commitment to Safety

One of our primary objectives is the health and safety of our employees. The commitment to safety starts at the top levels of our organization.  Our Board of Directors maintains an Aviation Safety and Training Committee which oversees safety and training matters as well as our culture of safety compliance. We believe a safe and secure workplace is fundamental and important to our success and we are committed to providing a safe and healthy workplace, and complying with applicable safety and health laws, regulations and internal requirements. We are also committed to engaging our employees to continually improve health and safety by acting upon opportunities to reduce risk and improve our safety and health performance. We maintain comprehensive safety programs focused on identifying hazards and eliminating risks that can lead to severe injuries.

Competitive Pay and Benefits

We focus on paying our employees competitively. We strive to provide competitive pay opportunities which reward our employees for achieving and exceeding objectives that create long-term value for stockholders. Providing competitive pay enhances our ability to attract and retain strong, innovative talent.

Providing comprehensive, competitive and affordable benefits is important to our attraction and retention strategy. We offer health benefits which include various medical/pharmacy/dental plan options as well as a cost comparison tool to assist employees with their decisions.  Health savings accounts for those in a high deductible health plan and flexible spending accounts for both health care and dependent care are also available to employees.  The retirement, investment, and tax savings/deferral opportunities offered to employees include competitive 401k benefits and an Employee Stock Purchase Plan.

Employees are eligible for paid and unpaid leaves and, in addition, we offer a variety of other benefits to meet the needs of employees including an employee assistance program which provides some free counseling sessions, educational assistance and adoption assistance. Some of our facilities have fitness centers on site for employees to use.

6

Diversity, Inclusion and Engagement

We are an equal opportunity employer and recognize the value of a diverse workforce. We have established company-wide Employee Resource Groups (“ERGs”) where employees can foster connections and develop in a supportive environment.  

We are continually seeking out new ways to broaden our exposure to underrepresented groups in the aviation industry and to develop a diverse talent pipeline.  Our ERGs support the development of diverse talent internally and promote the acquisition of talent externally.

Business Ethics

Our Code of Conduct (“Code”) is a statement of the principles and standards that we expect our employees to follow. Each officer, director and employee is required to use good ethical judgement when conducting business and comply with applicable laws, rules and regulations. The Code describes what is appropriate behavior and guides ethical business decisions that maintain a commitment to integrity. Failure to comply with the Code and applicable laws can have severe consequences for both us and individuals involved, including disciplinary action, civil penalties or criminal prosecution under certain circumstances.

Available Information

For additional information concerning our business segments, see Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Business Segment Information” in Note 15 of Notes to Consolidated Financial Statements under Item 8, “Financial Statements and Supplementary Data.”

Our internet address is www.aarcorp.com.  We make available free of charge through our web site our Annual Report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and all amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 as soon as reasonably practicable after we electronically file such material with, or furnish such material to, the Securities and Exchange Commission.  Information contained on our web site is not a part of this report.

Information about our Executive Officers

Information concerning each of our executive officers is set forth below:

Name	Age	Present Position with the Company
John M. Holmes	45	Chief Executive Officer and President, Director
Sean M. Gillen	36	Vice President and Chief Financial Officer
Jessica A. Garascia	43	Vice President, General Counsel, and Secretary
Chris Jessup	44	Vice President, Chief Commercial Officer
Eric S. Pachapa	49	Vice President, Controller and Chief Accounting Officer

Mr. Holmes is Chief Executive Officer and President, having served in that capacity since June 2018.   From June 2017 to May 2018, Mr. Holmes served as President and Chief Operating Officer.  From February 2015 to June 2017, Mr. Holmes served as Chief Operating Officer – Aviation Services.  Prior to that, Mr. Holmes served as Group Vice President, Aviation Services – Inventory Management and Distribution from 2012 to 2015, General Manager and Division President of our Allen Asset Management business from 2003 to 2012, and in various other positions since joining the Company in September 2001.  Mr. Holmes has been a director of the Company since 2017.

Mr. Gillen is Vice President and Chief Financial Officer, having served in that capacity since January 2019.  Prior to joining AAR, Mr. Gillen was Vice President and Treasurer of USG Corporation since 2017.  Prior to USG, Mr. Gillen spent nine years in investment banking with Goldman Sachs, most recently as a Vice President in their Global Industrials Group.

7

Ms. Garascia is Vice President, General Counsel, and Secretary, having served in the capacity of General Counsel and Secretary since February 2020.  Prior to joining the Company, from September 2013 through February 2020, Ms. Garascia served in positions of increasing responsibility for USG Corporation, most recently as Deputy General Counsel.  Prior to USG, Ms. Garascia was an attorney for the Museum of Science and Industry and the law firm of Jenner & Block.

Mr. Jessup is Vice President, Chief Commercial Officer, having served in that capacity since June 2017.  Mr. Jessup previously served as Chief Commercial Officer for the Company’s Aviation Services segment since February 2015, and prior to that, he served in various capacities within the Company’s Maintenance, Repair and Overhaul business.

Mr. Pachapa is Vice President, Controller and Chief Accounting Officer, having served in that capacity since July 2016.  Mr. Pachapa previously served as Controller since October 2015 and Senior Director of Accounting and Reporting since April 2014.  Prior to joining the Company, Mr. Pachapa was with Glanbia plc from 2011 to 2014, and with Ernst & Young LLP from 1996 to 2011.

Each executive officer is elected annually by the Board of Directors.  Executive officers continue to hold office until their successors are duly elected or until their death, resignation, termination or reassignment.

ITEM 1A.RISK FACTORS

The following is a description of the principal risks inherent in our business. Any of the risks and uncertainties described below could materially and adversely affect our business, financial condition, and results of operations and should be considered in evaluating us. Although the risks are organized by heading, and each risk is described separately, many of the risks are interrelated. While we believe we have identified and discussed below the material risks affecting our business, there may be additional risks and uncertainties that we do not presently know or that we do not currently believe to be material that may adversely affect our business, financial condition, or results of operations in the future.

Risks Related to Our Business and Industry

We are affected by factors that adversely impact the commercial aviation industry.

As a provider of products and services to the commercial aviation industry, we are greatly affected by overall economic conditions of that industry. The commercial aviation industry is historically cyclical and has been negatively affected in the past by geopolitical events, conflicts and wars, weather related events, natural disasters, pandemics, disruption to fuel and oil production and supply shortages, high fuel and oil prices, environmental concerns (including climate change), lack of capital, cost inflation, and weak economic conditions. As a result of these and other events, from time to time certain of our customers have filed for bankruptcy protection or ceased operation. The impact of instability in the global financial markets may lead airlines to reduce domestic or international capacity. In addition, certain of our airline customers have in the past been impacted by tight credit markets, which limited their ability to buy parts, services, engines, and aircraft.

A reduction in the operating fleet of aircraft both in the U.S. and abroad will result in reduced demand for parts support and maintenance activities for the type of aircraft affected. A deteriorating airline environment may also result in additional airline bankruptcies, and in such circumstances we may not be able to fully collect outstanding accounts receivable, which was recently seen over the past two years during the COVID-19 pandemic. Reduced demand from customers caused by weak economic conditions, including tight credit conditions and customer bankruptcies, may adversely impact our financial condition or results of operations.

In addition, an increase in energy costs and the price of fuel to the airlines could result in additional pressure on the operating costs of airlines, who comprise our largest customers. The market for jet fuel is inherently volatile and is subject to, among other things, changes in government policy on jet fuel production, fluctuations in the global supply of crude oil and disruptions in oil production or delivery caused by hostility in oil-producing areas. Airlines are sometimes unable to pass on increases in fuel prices to customers by increasing fares due to the competitive nature of the airline industry, and this compounds the pressure on operating costs, and in turn, airlines’ ability to do business with us.  In addition, our business depends on maintaining a sufficient supply of various products to meet our customers’ demands.  If we were to lose a key supplier, or were unable to obtain the same levels of deliveries from these suppliers and were unable to supplement those purchases with products obtained from other suppliers, it could have a material adverse effect on our business.  Additionally, our key suppliers could also increase the pricing of their products, which would negatively affect our operating results if we were not able to pass these price increases through to our customers.

8

Our business, financial condition, results of operations, and growth rates have been and may continue to be adversely affected by these and other events that impact the aviation industry, including the following:

● deterioration in the financial condition of our existing and potential customers;

● reductions in the need for, or the deferral of, aircraft maintenance and repair services and spare parts support;

● retirement of older generation aircraft, resulting in lower prices for spare parts and services for those aircraft;

● reductions in demand for used aircraft and engines;

● increased in-house maintenance by airlines;

● lack of parts in the marketplace;

● acts of terrorism;

● economic sanctions;

● inflationary pressures;

● political, social and economic instability and disruptions;

● cost of labor shortages and other changes in labor conditions;

● future outbreaks of infectious diseases; and

● acts of God.

Our U.S. government contracts may not continue at present sales levels, which may have a material adverse effect on our financial condition and results of operations.

Our sales to branches, agencies and departments of the U.S. government and their contractors were $620.0 million (34.1% of consolidated sales) in fiscal 2022 (See Note 15 of Notes to Consolidated Financial Statements). The majority of our U.S. government sales is for products and services supporting DoD aircraft sustainment and mobility strategy and DoS flight operations and are, therefore, subject to changes in defense and other governmental agency funding and spending. Our contracts with the U.S. government and their contractors are typically agreements to provide products and services at a fixed price and have a term of one year or less, frequently subject to extension for one or more additional periods of one year at the option of the government customer. Sales to agencies of the U.S. government and their contractors are subject to a number of factors, including the level of troop and personnel deployment worldwide, competitive bidding, U.S. government funding, requirements generated by world events, and budgetary constraints. For example, in conjunction with the U.S. exit from Afghanistan in fiscal 2022, we concluded our activities in country under our WASS and U.S. Department of Defense contracts.

U.S. government programs are subject to annual congressional budget authorization and appropriation processes.  In recent years, U.S. government appropriations have been affected by larger U.S. government budgetary issues and related legislation, including the statutory limit on the amount of permissible federal debt. These issues could negatively affect the timely collection of our U.S. government invoices.

Future congressional appropriation and authorization of defense spending and the application of sequestration remain marked by significant debate and an uncertain schedule. The federal debt limit continues to be actively debated as plans for long-term national fiscal policy are discussed. The outcome of these debates could have a significant impact on defense spending broadly and programs we support in particular.

9

If there are funding delays and constraints, we may be required to continue to perform for some period of time on certain of our U.S. government contracts even if the U.S. government is unable to make timely payments.  Future budget cuts, including cuts mandated by sequestration, or future procurement decisions could result in reductions, cancellations, and/or delays of existing contracts or programs which could adversely affect our results of operations and financial condition.

In addition, U.S. government programs budgets could be negatively impacted under President Biden’s administration, including possible policy changes on defense spending, spending priorities outside defense, reduction in military presence overseas and in general pressure to reduce U.S. defense spending. A significant reduction in defense spending could result in a reduction in the amount of our products and services furnished to the U.S. government.

In light of COVID-19, the percentage of our revenue that comes from government contracts increased and became more important to our overall business, which heightens the possible adverse effects on our results of operations and financial condition of any reduction in the sales levels of our U.S. government contracts.

We use estimates when accounting for long-term contracts and face risks of cost overruns and losses on these contracts.

We sell certain of our products and services to our commercial, government, and defense customers under firm contracts providing for fixed unit prices, regardless of costs incurred by us. The cost of providing products or services may be adversely affected by increases in the cost of labor, materials, fuel, overhead, and other unknown variants, including manufacturing and other operational inefficiencies and differences between assumptions used by us to price a contract and actual results.  Increased costs may result in cost overruns and losses on such contracts, which could adversely affect our results of operations and financial condition.

We recognize revenue on our long-term contracts primarily over time as there is continuous transfer of control to the customer over the duration of the contract as the services are delivered, which generally requires estimates of total costs at completion, fees earned on the contract, or both. This estimation process is complex and involves significant judgment related to assumptions on flight hours, component repair costs, labor hours and rates, and contract penalties and incentives.  Adjustments to estimates are often required as work progresses, experience is gained and additional information becomes known, even though the scope of the work required under the contract may not change. Any adjustment as a result of a change in estimate is recognized as events become known. Changes in the underlying assumptions, circumstances or estimates could result in adjustments that may adversely affect our future financial results.

If our subcontractors or suppliers fail to perform their contractual obligations, our contract profitability and our ability to win new contracts may be adversely affected.

We rely on subcontractors to perform a portion of the services we agree to provide our customers, and our suppliers provide necessary inventory and component parts. A failure by one or more of our subcontractors or suppliers to satisfactorily provide on a timely basis the agreed-upon services or supplies may affect our ability to perform our contractual obligations.  Deficiencies in the performance of our subcontractors and/or suppliers could result in liquidated damages or our customer terminating our contract for default. A termination for default could expose us to liability and adversely affect our financial performance and our ability to win new contract awards.

Success at our airframe maintenance facilities is dependent upon continued outsourcing by the airlines.

We currently perform airframe maintenance, repair, and overhaul activities at six leased locations. If our maintenance facilities become unavailable either temporarily or permanently due to labor disruptions or circumstances beyond our control, such as geopolitical developments or logistical complications arising from acts of war, cyber-attacks, weather, global climate change, earthquakes or other natural disasters including public health crises, we may be unable to shift such work to other facilities or to make up for lost work.  Revenues at these facilities fluctuate based on demand for maintenance which, in turn, is driven by the number of aircraft operating and the extent of outsourcing of maintenance activities by airlines. In addition, certain airlines operate certain new fleet types and/or newer generation aircraft and we may not have contractual arrangements to service these aircraft nor technicians trained and certified to perform the required airframe maintenance, repair, and overhaul activities. If either the number of aircraft operating or the level of outsourcing of maintenance activities declines, we may not be able to execute our operational and financial plans at our maintenance, repair, and overhaul facilities, which could adversely affect our results of operations and financial condition.

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Our operations would be adversely affected by a shortage of skilled personnel or work stoppages.

Our business has historically been dependent on educated and skilled aviation mechanics because of the complex nature of many of our products and services. We face competition for management and qualified technical personnel from other companies and organizations. Furthermore, we have a collective bargaining agreement covering approximately 200 employees (5% of employees) in our Expeditionary Services segment.

Our ability to operate successfully and meet our customers’ demands could be jeopardized if we are unable to attract and retain a sufficient number of skilled personnel, including aviation mechanics, to conduct our business, or we experience a significant or prolonged work stoppage in such an environment, our ability to secure new work and our results of operations and financial condition could be adversely affected. There is significant competition for such personnel in the industries in which we operate. We may be impacted by higher labor costs and/or labor shortages due to wage and salary inflationary pressures in the economy, a tightening labor market and increased rates of employee resignations generally throughout the U.S. economy.

We operate in highly competitive markets, and competitive pressures may adversely affect us.

The markets for our products and services to our commercial, government, and defense customers are highly competitive, and we face competition from a number of sources, both domestic and international.  Our competitors include aircraft manufacturers, aircraft component and parts manufacturers, airline and aircraft service companies, other companies providing maintenance, repair and overhaul services, other aircraft spare parts distributors and redistributors.  Some of our competitors have substantially greater financial and other resources than we have and others may price their products and services below our selling prices.  These competitive markets also create pressure on our ability to hire and retain qualified technicians and other skilled labor needs.  We believe that our ability to compete depends on superior customer service and support, on-time delivery, sufficient inventory availability, competitive pricing, and effective quality assurance programs.

Our government customers, including the DoD and DoS, may turn to commercial contractors, rather than traditional defense contractors, for certain work, or may utilize set asides such as small business, women-owned, or minority-owned contractors or determine to source work internally rather than use us.  We are also impacted by bid protests from unsuccessful bidders on new program awards and task orders.  Bid protests could result in significant expense for us, contract modifications, or the award decision being overturned and loss of the contract award. Even where a bid protest does not result in the loss of an award, the resolution can extend the time until the contract activity can begin, and delay earnings.  These competitive pressures, with potential impacts on both our commercial and government business, could adversely affect our results of operations and financial condition.

We are exposed to risks associated with operating internationally.

We conduct our business in a number of foreign countries, some of which are politically unstable or subject to military or civil conflicts. Consequently, we are subject to a variety of risks that are specific to international operations, including the following:

● military conflicts, civil strife, and political risks;

● export regulations that could erode profit margins or restrict exports;

● export controls and financial and economic sanctions imposed on certain industry sectors, including the aviation sector, and parties in Russia by the U.S., the U.K., the European Union and others;

● compliance with the U.S. Foreign Corrupt Practices Act, United Kingdom (“UK”) Bribery Act 2010, and other anti-bribery and anti-corruption laws; see Note 16 of Notes to Consolidated Financial Statements for information about certain pending proceedings;

● the burden and cost of compliance with foreign laws, treaties, and technical standards and changes in those regulations;

● contract award and funding delays;

● potential restrictions on transfers of funds;

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● import and export duties and value added taxes;

● foreign exchange risk;

● transportation delays and interruptions, including those related to COVID-19 travel restrictions;

● uncertainties arising from foreign local business practices and cultural considerations; and

● changes in U.S. policies on trade relations and trade policy, including implementation of or changes in trade sanctions, tariffs, and embargoes.

Any measures adopted to reduce the potential impact of losses resulting from the risks of doing business internationally, may not be adequate, and the regions in which we operate might not continue to be stable enough to allow us to operate profitably or at all.

Acquisitions expose us to risks, including the risk that we may be unable to effectively integrate acquired businesses.

We have completed acquisitions in the past and we have discussions with third parties regarding acquisitions on a regular basis.  Acquisitions involve risks, including difficulties in integrating the operations and personnel, the effects of amortization of any acquired intangible assets and the potential impairment of goodwill, and the potential loss of key employees of the acquired business. In addition, acquisitions often require substantial management resources and have the potential to divert our attention from our existing business.  For any businesses we may acquire in the future, we may not be able to execute our operational, financial, or integration plans for the acquired businesses, which could adversely affect our results of operations and financial condition.

Market values for our aviation products fluctuate and we may be unable to recover our costs incurred on engines, rotable components and other aircraft parts.

We make a number of assumptions when determining the recoverability of rotable components, engines, and other assets which are on lease, available for lease, or supporting our long-term programs. These assumptions include historical sales trends, current and expected usage trends, replacement values, current and expected lease rates, residual values, future demand, and future cash flows. Reductions in demand for these assets or declining market values, as well as differences between actual results and the assumptions utilized by us when determining the recoverability of our aircraft, engines, and other assets, could result in impairment charges in future periods, which would adversely affect our results of operations and financial condition.

Our business could be negatively affected by cyber or other security threats or other disruptions.

Our business depends heavily on information technology and computerized systems to communicate and operate effectively. We store sensitive data including proprietary business information, intellectual property and confidential employee or other personal data on our servers and databases. Our systems and technologies, or those of third parties on which we rely, could fail or become unreliable due to equipment failures, software viruses, cyber threats, ransomware attacks, terrorist acts, natural disasters, power failures, political or social unrest, pandemics or other public health issues or other causes. These threats arise in some cases as a result of our role as a defense contractor.

Cyber security threats are evolving and include, but are not limited to, malicious software, attempts to gain unauthorized access to our sensitive information, business e-mail compromises, ransomware attacks, and other electronic security breaches, including at our customers, suppliers, subcontractors, and joint venture partners, that could lead to disruptions in mission critical systems, unauthorized release of confidential or otherwise protected information, and corruption of data.

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A theft, loss, fraudulent use or misuse of customer, stockholder, employee or our proprietary data by cybercrime or otherwise, noncompliance with our contractual or other legal obligations regarding such data or a violation of our privacy and security policies with respect to such data could adversely impact our reputation and could result in costs, fines, litigation or regulatory action against us. Security breaches can create system disruptions and shutdowns that could result in disruptions to our operations. We cannot be certain that advances in criminal capabilities, new vulnerabilities or other developments will not compromise or breach the security solutions protecting our information technology, networks and systems. A failure of or cyber‐attack on our information systems technology or those of our partners, customers, vendors, or suppliers could adversely affect our ability to process orders, maintain proper levels of inventory, collect accounts receivable and pay expenses; all of which could have an adverse effect on our results of operations, financial condition and cash flows. Such serious harm can involve, among other things, misuse of our assets, business disruptions, loss of data, unauthorized access to trade secrets and confidential business information, unauthorized access to personal information, legal claims or proceedings, reporting errors, processing inefficiencies, negative media attention, reputational harm, loss of sales, remediation and increased insurance costs, and interference with regulatory compliance. We have experienced and expect to continue to experience some of these types of cybersecurity threats and incidents, which could be material in the future.

The procedures and controls we utilize to monitor and mitigate these threats may not be sufficient to prevent security threats from materializing. If any of these events were to materialize, the costs related to cyber or other security threats or disruptions may not be fully insured or indemnified and could have a material adverse effect on our reputation, operating results, and financial condition.

Moreover, expenditures incurred in implementing and maintaining cyber security and other procedures and controls could adversely affect our results of operations and financial condition.

We may need to make significant capital expenditures to keep pace with technological developments in our industry.

The industries in which we participate are constantly undergoing development and change, and it is likely that new products, equipment, and methods of repair and overhaul services will be introduced in the future. We may need to make significant expenditures to purchase new equipment and to train our employees to keep pace with any new technological developments. These expenditures could adversely affect our results of operations and financial condition.

Risk Related to Financial Matters

We may need to reduce the carrying value of our assets.

We own and distribute a significant amount of engines, aircraft parts and components, as well as own manufacturing facilities and joint venture investments. Recurring losses in certain operations could require us to evaluate the recoverability of the carrying value of the related assets and recognize an impairment charge through earnings to reduce the carrying value. During fiscal 2020, we recognized impairment charges of $11.8 million related to our COCO business which is classified as a discontinued operation. In addition, we recognized impairment charges over the last three years of $2.6 million related to our Malaysian joint venture. In addition, if aircraft or engines for which we offer replacement parts or supply repair and overhaul services are retired and there are fewer aircraft that require these parts or services, our revenues may decline.

We make a number of assumptions when determining the recoverability of our assets, including historical sales trends, current and expected usage trends, replacement values, current and expected lease rates, residual values, future demand, and future cash flows. Differences between actual results and the assumptions utilized by us when determining the recoverability of our assets could result in impairment charges in future periods, which would adversely affect our results of operations and financial condition.

We have recorded goodwill and other intangible assets related to acquisitions. If we are unable to achieve the projected levels of operating results, it may be necessary to record an impairment charge to reduce the carrying value of goodwill and related intangible assets. Similarly, if we were to lose a key customer or if a regulator were to terminate any of our repair certificates at our airframe maintenance or landing gear facilities, we might be required to record an impairment charge if we were unable to operate.

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We may not be able to fully execute our stock repurchase program and may not otherwise return capital to our stockholders in the foreseeable future.

In 2021, we announced a stock repurchase program in which we may repurchase up to $150 million of our common stock. There is no guarantee as to the exact number of shares or value that will be repurchased under the stock repurchase program and we may discontinue purchases at any time. Whether we make any further repurchases will depend on many factors, including but not limited to our business and financial performance, the business and market conditions at the time, including the price of our shares, and other factors that management considers relevant. Additionally, we expect to fund repurchases under our stock repurchase program through cash on hand, which may impact our ability to pursue potential strategic opportunities. Although our stock repurchase program is intended to enhance long-term stockholder value, short-term stock price fluctuations could reduce the program’s effectiveness and there can be no assurance that any stock repurchases will enhance stockholder value.

Our credit agreement prohibits payment of a dividend or repurchase of our stock if a default exists under the agreement. In addition, we have not declared a dividend on our common stock since 2020, and there can be no assurance that we will do so in the foreseeable future. If we do not pay dividends or continue to execute on our stock repurchase program, investors will have to rely on the possibility of stock appreciation and sell their shares to realize a return on their investment.

We are dependent upon continued availability of financing to manage our business and to execute our business strategy, and additional financing may not be available on terms acceptable to us.

Our ability to manage our business and to execute our business strategy is dependent, in part, on the continued availability of debt and equity capital. Access to the debt and equity capital markets may be limited by various factors, including the condition of overall credit markets, general economic factors, state of the aviation industry, our financial performance, and credit ratings. Debt and equity capital may not continue to be available to us on favorable terms, or at all. Our inability to obtain financing on favorable terms could adversely affect our results of operations and financial condition.

LIBOR, the London interbank offered rate, is the basic rate of interest used in lending between banks on the London interbank market and is widely used as a reference for setting the interest rate on loans globally. Interest rates under our Revolving Credit Facility (as defined below) are based partly on LIBOR. On March 5, 2021, the UK Financial Conduct Authority, which regulates LIBOR, announced that it would cease publication of all tenors of LIBOR immediately after June 30, 2023. Additionally, the Federal Reserve Board has advised banks to stop entering into new U.S. dollar LIBOR based contracts.  The U.S. Federal Reserve has begun publishing a Secured Overnight Funding Rate which is currently intended to serve as an alternative reference rate to LIBOR. If lenders have increased costs due to changes in LIBOR, we may suffer from potential increases in interest rates on our borrowings. We may in the future pursue amendments to our LIBOR-based debt transactions to provide for a transaction mechanism or other reference rate in anticipation of LIBOR’s discontinuation, but we may not be able to reach agreement with our lenders on any such amendments.

Our existing debt includes restrictive and/or financial covenants.

Certain financing arrangements, including our Revolving Credit Facility and our accounts receivable financing program, require us to comply with various restrictive covenants and some contain financial covenants that require us to comply with specified financial ratios and tests.  Our failure to meet these covenants could result in default under these loan and debt agreements and may result in a cross-default under other debt agreements. In the event of a default and our inability to obtain a waiver of the default, all amounts outstanding under our debt agreements could be declared immediately due and payable. Our failure to comply with these covenants could adversely affect our results of operations and financial condition.

14

Risks Related to COVID-19

The COVID-19 pandemic has had a material adverse impact on our business, results of operations, financial condition, and liquidity, and the duration and extent of the pandemic is uncertain.

The COVID-19 pandemic prompted governments and businesses to take unprecedented measures in response that have included international and domestic travel restrictions or advisories, restrictions on business operations, limitations on public gatherings, social distancing recommendations, temporary closures of businesses, remote work arrangements, closures of tourist destinations and attractions as well as quarantine and shelter-in-place orders.  Even in the absence of formal restrictions and prohibitions, contagious illness and fear of contagion adversely affected travel demand and travel behavior although passenger airline traffic has been improving recently.

With the roll-out of the COVID-19 vaccines, many countries have started to lift their states of emergency and restrictions on air travel.  With the easing of these restrictions, passenger airline traffic has started to pick-up in the United States, but business travel in particular remains well below pre-pandemic levels. In addition, we have seen and expect to continue to see reduced demand in our non-cargo commercial businesses in certain markets. In some cases, airlines have reduced their operating fleet of aircraft both in the U.S. and abroad which results in reduced demand for parts support and maintenance activities for the type of aircraft affected. Moreover, if the COVID-19 pandemic continues to result in decreased worldwide commercial activity, it could also adversely affect the demand for airline cargo services. Reduced numbers of aircraft flying or flight hours has and will continue to negatively impact the demand for our services, and any prolonged reduction could materially and adversely affect our business, operating results, financial condition, and liquidity.

As the situation surrounding the COVID-19 pandemic remains fluid, the pandemic has continued to negatively impact travel demand and our business.  It remains difficult to reasonably predict the full extent of the ongoing impact of the COVID-19 pandemic on our longer-term operational and financial performance, which will depend on a number of future developments, many of which are outside our control, such as the ultimate duration of and factors impacting the recovery from the pandemic including the introduction and spread of new variants of the virus that may be resistant to currently approved vaccines or treatment options and the continuation of existing or implementation of new government travel restrictions.

In addition, we source parts and components for our business from various suppliers around the world. Disruptions to our supply chain and business operations, or to our suppliers’ or customers’ supply chains and business operations, could have adverse effects on our ability to provide aftermarket support and services. Moreover, a prolonged epidemic or pandemic, or the threat thereof, could result in worker absences, lower productivity, voluntary closure of our offices and facilities, travel restrictions for our employees and other disruptions to our business. These impacts could have a material adverse effect on our business, financial condition or results of operations.

Risks Related to Legal and Regulatory Matters

If we fail to comply with government procurement laws and regulations, we could lose business and be liable for various penalties or sanctions.

We must comply with laws and regulations relating to the formation, administration, and performance of government contracts. In the U.S., these laws and regulations include the Federal Acquisition Regulations, Defense Federal Acquisition Regulations, the Truth in Negotiations Act, Cost Accounting Standards, and laws, regulations, and orders restricting the use and dissemination of classified information under the U.S. export control laws and the export of certain products and technical information and safeguarding of contractor information systems.

In addition, we are subject to U.S. government inquiries and investigations, including periodic audits of costs that we determine are reimbursable under government contracts. U.S. government agencies routinely audit government contractors, including the Company, to review performance under contracts, cost structure and compliance with applicable laws, regulations, and standards, as well as the adequacy of and compliance with internal control systems and policies, including the contractor’s purchasing, property, estimating, compensation and management information systems. Any costs found to be misclassified or inaccurately allocated to a specific contract are not reimbursable, and to the extent already reimbursed, must be refunded. Also, any inadequacies in our systems and policies could result in payments being withheld, penalties and reduced future business.

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U.S. government rules allow contracting officers to impose contractual withholdings at no less than certain minimum levels if a contracting officer determines that one or more of a contractor’s business systems have one or more significant deficiencies. If a contracting officer were to impose such a withholding on us or even one of our prime contractors, it would increase the risk that we would not be paid in full or paid timely. If future audit adjustments exceed our estimates, our profitability could be adversely affected.

If a government inquiry or investigation uncovers improper or illegal activities, we could be subject to civil or criminal penalties or administrative sanctions, including contract termination, fines, forfeiture of fees, suspension of payment and suspension or debarment from doing business with government agencies, any of which could materially adversely affect our reputation, business, financial condition and results of operations. See Note 16 of Notes to Consolidated Financial Statements for information about certain pending proceedings.

We are subject to significant government regulation and may need to incur significant expenses to comply with new or more stringent governmental regulation.

The aviation industry is highly regulated by the FAA in the United States and equivalent regulatory agencies in other countries. Before we sell any of our products that are to be installed in an aircraft, such as engines, engine parts and components, and airframe and accessory parts and components, they must meet certain standards of airworthiness established by the FAA or the equivalent regulatory agencies in certain other countries. We operate repair stations that are licensed by the FAA and the equivalent regulatory agencies in certain other countries, and hold certificates to operate aircraft. Specific regulations vary from country to country; although regulatory requirements in other countries are generally satisfied by compliance with FAA requirements. New and more stringent governmental regulations may be adopted in the future that, if enacted, may have an adverse impact on us.

If any of our material licenses, certificates, authorizations, or approvals were revoked or suspended by the FAA or equivalent regulatory agencies in other countries, our results of operations and financial condition may be adversely affected.

Our industry is susceptible to product and other liability claims, and claims not adequately covered by insurance may adversely affect our financial condition.

Our business exposes us to possible claims for property damage and bodily injury or death, which may result if an engine, engine part or component, airframe part or accessory, or any other aviation product that we have sold, manufactured, or repaired fails, or if an aircraft we operated, serviced, or in which our products are installed, has an accident. Claims may arise in the future, and our insurance coverage may not be adequate to protect us in all circumstances. Additionally, we might not be able to maintain adequate insurance coverage in the future at an acceptable cost. Any liability claim not covered by adequate insurance could adversely affect our results of operations and financial condition.

We could be negatively impacted by stakeholder and market focus on Environmental, Social and Governance (“ESG”) matters.

There has been an increasing focus on corporate ESG practices and disclosures over the past few years, and expectations in this area are rapidly evolving. The criteria used to evaluate ESG practices may continue to evolve, which could result in greater expectations and may cause us to undertake costly initiatives to satisfy new criteria. The increasing attention to sustainability could also result in reduced demand for certain of our products and/or reduced profits. If we are unable to respond effectively, investors may conclude that our ESG policies and/or actions are inadequate. If we are perceived to have failed to achieve our ESG initiatives or accurately disclose our progress on such matters, our reputation, business, financial condition and results of operations could be adversely impacted.

We must comply with extensive environmental requirements, and any exposure to environmental liabilities may adversely affect us.

Federal, state, and local requirements relating to the discharge and emission of substances into the environment, the disposal of hazardous wastes, the remediation and abatement of contaminants, and other activities affecting the environment have had and may continue to have an impact on our operations. Management cannot assess the possible effect of compliance with future environmental requirements or of future environmental claims for which we may not have adequate indemnification or insurance coverage. If we were required to pay the expenses related to any future environmental claims for which neither indemnification nor insurance coverage were available, these expenses could have an adverse impact on our results of operations and financial condition.

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Future environmental regulatory developments in the United States and abroad concerning environmental issues, such as climate change, could adversely affect our operations and increase operating costs and, through their impact on our customers, reduce demand for our products and services. Actions may be taken in the future by the U.S. government, state governments within the United States, foreign governments, or the International Civil Aviation Organization to regulate the emission of greenhouse gases by the aviation industry. The precise nature of any such requirements and their applicability to us and our customers are difficult to predict, but the impact to us and the aviation industry would likely be adverse and could be significant, including the potential for increased fuel costs, carbon taxes or fees, or a requirement to purchase carbon credits.

ITEM 1B.UNRESOLVED STAFF COMMENTS

Not Applicable.

ITEM 2.PROPERTIES

In the Aviation Services segment, we conduct parts supply activities from our headquarters in Wood Dale, Illinois, which we own.  In addition to warehouse space, this facility includes executive, sales and administrative offices.  Our principal maintenance, repair, overhaul, engineering and other service activities for this segment are conducted at U.S. facilities leased by us in Indianapolis, Indiana; Oklahoma City, Oklahoma; Miami, Florida; Medley, Florida; and Rockford, Illinois and at Canadian facilities leased by us in Trois Rivieres, Quebec and Windsor, Ontario.

We also lease facilities in Garden City, New York; Jacksonville, Florida; Rockledge, Florida; Ogden, Utah; Windsor, Connecticut; Brussels, Belgium; London, England; and Crawley, England, and own a building near Schiphol International Airport in the Netherlands to support activities in the Aviation Services segment.

Our principal activities in the Expeditionary Services segment are conducted at a facility we own in Cadillac, Michigan.

We also operate sales offices that support all our activities and are leased in London, England; Crawley, England; Paris, France; Rio de Janeiro, Brazil; Tokyo, Japan; Shanghai, China; Singapore, Republic of Singapore; and Dubai, UAE.

We believe that our owned and leased facilities are suitable and adequate for our operational requirements.

ITEM 3.LEGAL PROCEEDINGS

Notes 14 and 16 of the Notes to our Consolidated Financial Statements for the year ended May 31, 2022 contained in Item 8 of this Annual Report on Form 10-K includes information on legal proceedings that constitute material contingencies for financial reporting purposes that could have a material adverse effect on our consolidated financial position or liquidity if they were resolved in a manner that is adverse to us.  The information in Notes 14 and 16 are incorporated by reference in this Item 3.

There are no matters which constitute material pending legal proceedings to which we are a party other than those incorporated into this item by reference from Notes 14 and 16 to our Consolidated Financial Statements for the year ended May 31, 2022 contained in this Annual Report on Form 10-K.

ITEM 4.MINE SAFETY DISCLOSURES

Not Applicable.

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PART II

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Our common stock is traded on the New York Stock Exchange and the Chicago Stock Exchange under the symbol “AIR.”  On June 30, 2022, there were approximately 800 holders of common stock, including participants in security position listings.

Stockholder Return Performance Graph

The following graph compares the total return on a cumulative basis of $100 invested, and reinvestment of dividends in our common stock on May 31, 2017 to the Standard and Poor’s (“S&P”) 500 Index and the Proxy Peer Group:

The S&P 500 Index is comprised of domestic industry leaders in four major sectors: Industrial, Financial, Utility, and Transportation, and serves as a broad indicator of the performance of the U.S. equity market.  The Company’s Fiscal 2022 Proxy Peer Group companies are listed as follows:

Aerojet Rocketdyne Holdings, Inc.	Kaman Corporation
Applied Industrial Technologies, Inc.	Moog Inc.
Barnes Group Inc.	MSC Industrial Direct Co., Inc.
CACI International Inc	Teledyne Technologies Incorporated
Crane Co.	The Timken Company
Cubic Corporation	TriMas Corporation
Curtiss-Wright Corporation	Triumph Group, Inc.
Heico Corporation	Woodward, Inc.
Hexcel Corporation

The Company annually revisits the composition of the peer group to ensure that the Company’s performance is measured against those of comparably-sized and situated companies. The mix of the Company’s commercial and government/defense markets presents a challenge in constructing a peer group, given that many government/defense contractors have substantially greater resources than the Company.

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Dividends

The prohibition on our payment of dividends under the Payroll Support Program of the CARES Act ended September 30, 2021.  We did not declare any dividends in fiscal 2022. The declaration and payment of cash dividends is at the discretion of our Board of Directors and will be dependent upon our future earnings, cash flows, financial condition, capital requirements and strategy and any future government restrictions.  

Issuer Purchases of Equity Securities

The following table provides information about purchases we made during the quarter ended May 31, 2022 of equity securities that are registered by us pursuant to Section 12 of the Exchange Act:

				Total Number	Approximate
				of Shares	Dollar Value of
				Purchased as	Shares that May
				Part of Publicly	Yet Be
	Total Number	Average		Announced	Purchased
	of Shares	Price Paid per		Plans or	Under the Plans
Period	Purchased	Share		Programs (1)	or Programs (1)
3/1/2022 – 3/31/2022	62,000	$	49.04	62,000	$	126,814,424
4/1/2022 – 4/30/2022	261,796		48.82	261,796		114,033,577
5/1/2022 – 5/31/2022	136,909		46.53	136,909		107,663,581
Total	460,705	$	48.17	460,705

⁽¹⁾ On December 21, 2021, our Board of Directors announced it had authorized a renewal of our stock repurchase program providing for the repurchase of up to $150 million of our common stock, with no expiration date.

ITEM 6. (Reserved)

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ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

(Dollars in millions)

Background and Forward-Looking Statements

The following discussion and analysis of our financial condition and results of operations, and quantitative and qualitative disclosures about market risk should be read in conjunction with our consolidated financial statements and the related notes included in this Form 10-K.  For a discussion of the comparison of fiscal 2021 and 2020, refer to Part II, Item 7, Management’s Discussion and Analysis of Financial Condition and Results of Operations of our Annual Report on Form 10-K for the year ended May 31, 2021 (filed July 21, 2021).

Management’s Discussion and Analysis of Financial Condition and Results of Operations contain certain statements relating to future results, which are forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995.  Forward-looking statements may also be identified because they contain words such as ‘‘anticipate,’’ ‘‘believe,’’ ‘‘continue,’’ ‘‘could,’’ ‘‘estimate,’’ ‘‘expect,’’ ‘‘intend,’’ ‘‘likely,’’ ‘‘may,’’ ‘‘might,’’ ‘‘plan,’’ ‘‘potential,’’ ‘‘predict,’’ ‘‘project,’’ ‘‘seek,’’ ‘‘should,’’ ‘‘target,’’ ‘‘will,’’ ‘‘would,’’ or similar expressions and the negatives of those terms.  These forward-looking statements are based on the beliefs of management, as well as assumptions and estimates based on information available to us as of the dates such assumptions and estimates are made, and are subject to certain risks and uncertainties, including those factors discussed under Item 1A, “Risk Factors,” that could cause actual results to differ materially from those anticipated. Should one or more of those risks or uncertainties materialize adversely, or should underlying assumptions or estimates prove incorrect, actual results may vary materially from those described. Those events and uncertainties are difficult or impossible to predict accurately and many are beyond our control. We assume no obligation to update any forward-looking statements to reflect events or circumstances after the date of such statements or to reflect the occurrence of anticipated or unanticipated events.

General Overview

We report our activities in two business segments: Aviation Services comprised of supply chain and maintenance, repair and overhaul (“MRO”) activities and Expeditionary Services comprised of manufacturing activities.

The Aviation Services segment consists of aftermarket support and services offerings that provide spare parts and maintenance support for aircraft operated by our commercial and government/defense customers. Sales in the Aviation Services segment are derived from the sale and lease of a wide variety of new, overhauled and repaired engine and airframe parts and components to the commercial aviation and government and defense markets. We provide customized inventory supply chain management, performance-based logistics programs, customer fleet management and operations, and aircraft component repair management services. The segment also includes repair, maintenance and overhaul of aircraft, landing gear and components. Cost of sales consists principally of the cost of product, direct labor, and overhead.

The Expeditionary Services segment consists of primarily manufacturing operations with sales derived from the design and manufacture of pallets, shelters, and containers used to support the U.S. military’s requirements for a mobile and agile force including engineering, design, and system integration services for specialized command and control systems. Cost of sales consists principally of the cost of material to manufacture products, direct labor and overhead.

Our chief operating decision making officer (Chief Executive Officer) evaluates performance based on the reportable segments and utilizes gross profit as a primary profitability measure.  Gross profit is calculated by subtracting cost of sales from sales. The assets and certain expenses related to corporate activities are not allocated to the segments. Our reportable segments are aligned principally around differences in products and services.

Business Trends and Outlook

Fiscal 2022 began with our focus centered on continuing to navigate the unprecedented decline in commercial passenger flight hours.  We maintained our strategy of leveraging our efficiency gains, optimized portfolio and strong balance sheet to drive growth and margin expansion through the recovery in our commercial markets from the impact of COVID-19.  Our sales to commercial customers in fiscal 2022 increased by $277.4 million, or 34.4%, over the prior year as we were successful in driving sales growth through the uneven recovery from COVID-19.

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We were also successful in winning new long-term agreements in both our commercial and government markets.  We were awarded an exclusive distribution agreement with Collins Aerospace’s Goodrich De-Icing & Specialty Heating Systems business.  Under the agreement, we provide airlines, business jet and other aircraft operators as well as MROs globally with de-icers and supporting products.  We also were awarded a five-year renewal of our power-by-the-hour component pool and repair support program for flydubai’s fleet of 33 Boeing 737NG aircraft.  

Our sales to government customers in fiscal 2022 decreased by $109.7 million, or 13.0%, from the prior year as we were impacted by the U.S. exit from Afghanistan and certain programs coming to a natural completion.  The operations related to our activities in Afghanistan contributed revenue of $67 million and $43 million in fiscal 2021 and fiscal 2022, respectively.  During fiscal 2022, we were awarded a firm fixed price, indefinite delivery/indefinite quantity contract from the Air Force to support United States Air Forces in Europe (“USAFE”) F-16 aircraft. This $365 million, ten-year contract provides for F-16 depot work as well as Service Life Extension Program modifications and maintenance.

During fiscal 2022, we continued our strong focus on working capital management with cash flows from operating activities from continuing operations of $89.8 million.  Borrowings outstanding under the Revolving Credit Facility were $100.0 million at May 31, 2022 with an availability on the facility of $488.6 million.  

Our long-term strategy also emphasizes the return of capital to shareholders.  In December 2021, our Board of Directors authorized a renewal of our stock repurchase program.  The authorization has no expiration date and permits the Company to repurchase up to $150 million of our common stock. We were able to return capital to shareholders through common stock repurchases of $42.4 million during fiscal 2022 and expect to fully utilize the authorization by the end of calendar 2023.

Over the long-term, we expect to see strength in our Aviation Services segment given its offerings of value-added services to both commercial and government and defense customers.  We believe long-term commercial aftermarket growth trends are favorable.  As we continue to invest in the pipeline of opportunities in the government market and maintain our focus on the commercial market recovery, our long-term strategy continues to emphasize investing in the business and capitalizing on opportunities in those markets.

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Results of Operations – Fiscal 2022 Compared with Fiscal 2021

Sales and gross profit for our two business segments for the years ended May 31, 2022 and 2021 were as follows:

	For the Year Ended May 31,
	2022		2021		% Change
Sales:
Aviation Services
Commercial	$	1,081.6	$	793.9	36.2	%
Government and defense		664.2		759.8	(12.6)	%
	$	1,745.8	$	1,553.7	12.4	%
Expeditionary Services
Commercial	$	2.2	$	12.5	(82.4)	%
Government and defense		72.0		86.1	(16.4)	%
	$	74.2	$	98.6	(24.7)	%

	For the Year Ended May 31,
	2022		2021		% Change
Gross Profit (Loss):
Aviation Services
Commercial	$	180.3	$	136.2	32.4	%
Government and defense		117.2		127.0	(7.7)	%
	$	297.5	$	263.2	13.0	%
Expeditionary Services
Commercial	$	—	$	(1.1)	nm
Government and defense		15.7		13.8	13.8	%
	$	15.7	$	12.7	23.6	%

nm – Percentage change is not meaningful.

Aviation Services Segment

Sales in the Aviation Services segment increased $192.1 million, or 12.4%, over the prior year due to a $287.7 million, or 36.2%, increase in sales to commercial customers.  The increase in sales to commercial customers was primarily attributable to increased sales of $99.4 million in our MRO activities and $81.5 million related to new parts distribution activities as commercial passenger air traffic continues to recover from the impact of COVID-19. In addition, sales increased $74.0 million in our aftermarket trading activities which included whole asset sales of $66.6 million in fiscal 2022 compared to $20.3 million in the prior year.

During fiscal 2022, sales in this segment to government and defense customers decreased $95.6 million, or 12.6%, from the prior year. The decrease in sales to government and defense customers was primarily attributable to the timing of activities for the C-40 aircraft we are delivering to the Naval Air Systems Command in support of the U.S. Marine Corps. The prior year included sales of $39.5 million related to the installation of engines on the aircraft while no engine installation activities occurred in fiscal 2022. The remainder of the decrease in sales from the prior year relates to the natural completion of certain programs, including Afghanistan contracts, partially offset by growth from new programs.

Changes in estimates and assumptions related to our programs accounted for using the cost-to-cost method are recorded using the cumulative catch-up method of accounting. In fiscal 2022, we recognized favorable and unfavorable cumulative catch-up adjustments of $15.0 million and $5.0 million, respectively, compared to favorable and unfavorable cumulative catch-up adjustments of $16.1 million and $4.1 million, respectively, in fiscal 2021.  When considering these adjustments on a net basis, we recognized favorable cumulative catch-up adjustments of $10.0 million and $12.0 million for fiscal 2022 and 2021, respectively. These adjustments primarily relate to our long-term programs where we provide component inventory management, supply chain logistics programs and/or repair services.

Cost of sales in Aviation Services increased $157.8 million, or 12.2%, over the prior year which was largely in line with the sales increase of 12.4% discussed above.  

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Gross profit in the Aviation Services segment increased $34.3 million, or 13.0%, over the prior year. Gross profit in this segment on sales to commercial customers increased $44.1 million, or 32.4%, over the prior year primarily due to the COVID-19 impact discussed above.

In addition, gross profit was unfavorably impacted in fiscal 2021 by contract termination, restructuring and loss provision charges of $9.3 million and asset impairment charges of $8.4 million.  These items were more than offset by a benefit in fiscal 2021 of $53.8 million in government workforce subsidies from the Payroll Support Program in the CARES Act and other subsidies provided by foreign governments.

Gross profit margin on sales to commercial customers decreased to 16.7% from 17.2% in the prior year period primarily due to the impact of the subsidies in the prior year period more than offsetting the volume recovery in fiscal 2022.

Gross profit on sales to government and defense customers decreased $9.8 million, or 7.7%, from the prior year primarily driven by the mix of products and services provided on long-term government programs. Gross profit margin on sales to government and defense customers increased to 17.6% from 16.7% in the prior year period primarily as a result of the mix of sales.

Expeditionary Services Segment

Sales in the Expeditionary Services segment decreased $24.4 million, or 24.7%, from the prior year primarily due to reduced volume for our mobility products. In addition, we divested our composites manufacturing business in the first quarter of fiscal 2021 and the business contributed sales of $6.7 million in fiscal 2021 prior to the sale.

Gross profit in the Expeditionary Services segment increased $3.0 million, or 23.6%, over the prior year primarily due to the divestiture of our composites manufacturing business which was not profitable prior to its divestiture on August 31, 2020. Gross profit margin increased to 21.2% from 12.9% in the prior year primarily as a result of the divestiture.

Provision for Credit Losses

Provision for credit losses decreased $7.3 million from the prior year primarily related to lower customer credit charges in fiscal 2022.  The impact of COVID-19 on the recoverability of our accounts receivable was largely concentrated to fiscal 2021 as most commercial airlines are experiencing more favorable market conditions in our fiscal 2022.

Selling, General and Administrative Expenses

Selling, general and administrative expenses increased $19.8 million, or 10.9%, over the prior year primarily due to investments to support the sales growth as our commercial activities continue the recovery from the impact of COVID-19. As a percent of sales, selling, general and administrative expenses increased slightly to 11.1% from 11.0% in the prior year as the benefit from our actions over the last two years to reduce both our fixed and variable cost structure largely offset the investments to support sales growth.

Losses Related to Sale and Exit of Business

Losses related to sale and exit of business were $1.7 million in fiscal 2022 compared to losses of $20.2 million in fiscal 2021.  In the first quarter of fiscal 2021, we completed the sale of our composites manufacturing business and recognized a loss on the sale of $19.5 million.  We recognized additional losses in fiscal 2021 related to the finalization of the post-closing working capital adjustment.   Losses in fiscal 2022 relate to the re-valuation of the contingent consideration to zero as it was unlikely the sales targets will be achieved and the recognition of reserves against outstanding accounts receivable from the buyer in conjunction with their bankruptcy filing in the fourth quarter of fiscal 2022.

Interest Expense

Interest expense decreased $2.6 million in fiscal 2022 reflecting the impact of lower average borrowings partially offset by higher average borrowing rates on our Revolving Credit Facility during fiscal 2022.

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Income Taxes

Our fiscal 2022 effective income tax rate for continuing operations was 25.3% compared to 28.2% in the prior year.  In fiscal 2022, we recognized favorable excess tax benefits of $2.1 million related to stock compensation while we recognized additional tax expense of $0.7 million for stock compensation fiscal 2021.

Discontinued Operations

Income from discontinued operations was $0.2 million in fiscal 2022 compared to a loss of $10.5 million in the prior year. The fiscal 2021 loss was primarily attributable to an $11.0 million increase in our legal reserve to reflect the agreement with the U.S. Department of Justice to settle their investigation of our COCO business under the federal civil False Claims Act.

Liquidity, Capital Resources and Financial Position

Our operating activities are funded and commitments met through the generation of cash from operations.  In addition to operations, our current capital resources include an unsecured Revolving Credit Facility and an accounts receivable financing program.  Periodically, we may also raise capital through common stock and debt financings in the public or private markets.  We continually evaluate various financing arrangements, including the issuance of common stock or debt, which would allow us to improve our liquidity position and finance future growth on commercially reasonable terms. Our continuing ability to borrow from our lenders and issue debt and equity securities to the public and private markets in the future may be negatively affected by a number of factors, including the overall health of the credit markets, general economic conditions, airline industry conditions, geo-political events, and our operating performance.  Our ability to generate cash from operations is influenced primarily by our operating performance and changes in working capital.

At May 31, 2022, our liquidity and capital resources included working capital of $659.0 million inclusive of cash of $53.5 million.

We maintain a Revolving Credit Facility with various financial institutions, as lenders, and Bank of America, N.A., as administrative agent for the lenders, which provides the Company an aggregate revolving credit commitment of $600 million that matures September 25, 2024. Under certain circumstances, we have the ability to request, but our lenders are not required to grant, an increase to the revolving credit commitment by an aggregate amount of up to $300 million, not to exceed $900 million in total.

Borrowings under the Revolving Credit Facility bear interest at the offered Eurodollar Rate plus 87.5 to 175 basis points based on certain financial measurements if a Eurodollar Rate loan, or at the offered fluctuating Base Rate plus 0 to 75 basis points based on certain financial measurements if a Base Rate loan.

Borrowings outstanding under the Revolving Credit Facility at May 31, 2022 were $100.0 million and there were approximately $11.4 million of outstanding letters of credit, which reduced the availability of this facility to $488.6 million. There are no other terms or covenants limiting the availability of this facility.

In the first quarter of fiscal 2021, we received $57.2 million from the U.S. Treasury Department through the Payroll Support Program under the CARES Act.  This funding included a $48.5 million cash grant, which was to be used exclusively for the continuation of payment of employee wages, salaries and benefits for employees of certain MRO facilities, and a low interest 10-year senior unsecured promissory note of $8.7 million. In fiscal 2021, we recognized the full amount of the grant as contra-expense within Cost of sales and Selling, general and administrative expenses. The Promissory Note was re-paid in full during the fourth quarter of fiscal 2021.

As of May 31, 2022, we also had other financing arrangements that did not limit availability on our Revolving Credit Facility including outstanding letters of credit of $11.6 million and foreign lines of credit of $9.3 million.

On October 18, 2017, we entered into a Credit Agreement with the Canadian Imperial Bank of Commerce, as lender (the “Credit Agreement”). The Credit Agreement provided a Canadian $31 million term loan with the proceeds used to fund the acquisition of two MRO facilities in Canada from Premier Aviation. The term loan was paid in full at the expiration of the Credit Agreement on November 1, 2021.

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We maintain a Purchase Agreement with Citibank N.A. (“Purchaser”) for the sale, from time to time, of certain accounts receivable due from certain customers (the “Purchase Agreement”). Under the Purchase Agreement, the maximum amount of receivables sold is limited to $150 million and Purchaser may, but is not required to, purchase the eligible receivables we offer to sell. The term of the Purchase Agreement runs through February 22, 2023, however, the Purchase Agreement may also be terminated earlier under certain circumstances. The term of the Purchase Agreement shall be automatically extended for annual terms unless either party provides advance notice that they do not intend to extend the term.

We have no retained interests in the sold receivables, other than limited recourse obligations in certain circumstances, and only perform collection and administrative functions for the Purchaser. We account for these receivable transfers as sales under ASC 860, Transfers and Servicing, and de-recognize the sold receivables from our Consolidated Balance Sheet.

Receivables sold under the Purchase Agreement during fiscal 2022, 2021, and 2020 were $283.3 million, $440.6 million, and $746.4 million, respectively. Amounts remitted to the Purchaser on their behalf during fiscal 2022, 2021, and 2020 were $306.9 million, $476.3 million, and $758.3 million, respectively. As of May 31, 2022 and May 31, 2021, we had collected cash of $5.4 million and $8.4 million, respectively, which was not yet remitted to the Purchaser as of those dates and was classified as Restricted cash on our Consolidated Balance Sheets.

At May 31, 2022, we complied with all financial and other covenants under each of our financing arrangements.

On December 16, 2021, our Board of Directors authorized a renewal of our stock repurchase program in which we may repurchase up to $150 million of our common stock with no expiration date. The timing and amount of repurchases are subject to prevailing market conditions and other considerations, including our liquidity and acquisition and other investment opportunities.  During fiscal 2022, we repurchased 1.0 million shares for $42.4 million.  We plan to fully utilize the authorization by December 31, 2023.

Cash Flows – Fiscal 2022 Compared with Fiscal 2021

Cash Flows from Operating Activities

Net cash provided from operating activities–continuing operations was $89.8 million in fiscal 2022 compared to $108.5 million in fiscal 2021.  The decrease from the prior period of $18.7 million was primarily attributable to a greater reduction in inventory levels in the prior year and the proceeds of a $48.5 million grant from the Payroll Support Program of the CARES Act received in fiscal 2021.  These items were partially offset by a $25 million license fee paid to Unison Industries in the prior year for our expanded and extended exclusive distribution agreement.

Cash Flows from Investing Activities

Net cash used in investing activities–continuing operations was $16.5 million in fiscal 2022 compared to $0.5 million in fiscal 2021. The increase in cash used from the prior period was primarily related to proceeds of $10.0 million from the termination of split-dollar life insurance policies in the prior year.

Cash Flows from Financing Activities

Net cash used in financing activities–continuing operations was $59.8 million in fiscal 2022 compared to $469.5 million in fiscal 2021. The decrease in cash used was primarily related to the repayment in fiscal 2021 of the additional draw down on our Revolving Credit Facility from late fiscal 2020.  These funds were originally drawn in late fiscal 2020 as a precautionary measure in light of the economic and market uncertainty presented by COVID-19. The current year also included $42.4 million for the repurchase of 1.0 million shares in conjunction with our stock repurchase program announced in fiscal 2022.

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Contractual Obligations and Off-Balance Sheet Arrangements

A summary of contractual cash obligations and off-balance sheet arrangements as of May 31, 2022 is as follows:

	Payments Due by Period
			Due in		Due in		Due in		Due in		Due in		After
			Fiscal		Fiscal		Fiscal		Fiscal		Fiscal		Fiscal
	Total		2023		2024		2025		2026		2027		2028
On Balance Sheet:
Bank borrowings	$	100.0	$	—	$	—	$	100.0	$	—	$	—	$	—
Facilities and equipment operating leases		80.2		13.6		12.4		11.0		9.2		8.5		25.5
Interest1		5.8		2.5		2.5		0.8		—		—		—
Off Balance Sheet:
Purchase obligations2		506.0		406.6		79.3		17.7		0.9		0.7		0.8
Pension contribution3		0.3		0.3		—		—		—		—		—

Notes:

1 Interest associated with variable rate debt was determined using the interest rate in effect on May 31, 2022.

2 Purchase obligations arise in the ordinary course of business and represent a binding commitment to acquire inventory, including raw materials, parts, and components, as well as equipment to support the operations of our business.  

3 Our contribution policy for the domestic plans is to contribute annually, at a minimum, an amount which is deductible for federal income tax purposes and that is sufficient to meet actuarially computed pension benefits.  For our Netherlands pension plan, our policy is to fund at least the minimum amount required by the local laws and regulations.

We routinely issue letters of credit and performance bonds in the ordinary course of business.  These instruments are typically issued in conjunction with insurance contracts or other business requirements.  The total of these instruments outstanding at May 31, 2022 was $23.0 million.

Critical Accounting Policies and Significant Estimates

Our Consolidated Financial Statements are prepared in conformity with accounting principles generally accepted in the United States.  Management has made estimates and assumptions relating to the reporting of assets and liabilities and the disclosure of contingent liabilities to prepare the Consolidated Financial Statements.  The most significant estimates made by management include those related to assumptions used in assessing goodwill impairment, adjustments to reduce the value of inventories and certain rotable assets, revenue recognition, allowance for credit losses, and assumptions used in determining pension plan obligations.  Accordingly, actual results could differ materially from those estimates.  The following is a summary of the accounting policies considered critical by management.

Goodwill

Under accounting standards for goodwill and other intangible assets, goodwill and other intangible assets deemed to have indefinite lives are not amortized, but are subject to annual impairment tests. We review and evaluate our goodwill and indefinite life intangible assets for potential impairment at a minimum annually, on May 31, or more frequently if circumstances indicate that impairment is possible.

The accounting standards for goodwill allow for either a qualitative or quantitative approach for the annual impairment test.  Under the qualitative approach, factors such as macroeconomic conditions, industry and market conditions and company-specific events or circumstances are assessed to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount.  When the quantitative approach is utilized, we compare the fair value of each reporting unit with the carrying value of the reporting unit, including goodwill.  If the estimated fair value of the reporting unit is less than the carrying value of the reporting unit, we would be required to recognize an impairment loss for the excess carrying value of the reporting unit’s assets.

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As of May 31, 2022, we had three reporting units, which included two in our Aviation Services segment (Aviation Supply Chain and MRO) and one comprised of our Expeditionary Services segment.  In fiscal 2022 and 2021, we utilized the qualitative assessment approach for all reporting units.  Under this approach, we considered the overall industry and market conditions related to the aerospace and government/defense markets as well as conditions in the global capital markets.  We also considered the long-term forecasts for each reporting unit, which incorporated specific opportunities and risks, working capital requirements, and capital expenditure needs.  We concluded it was more likely than not that the fair value of each reporting unit exceeded its carrying value at the respective measurement dates, and thus no impairment charges were recorded in those fiscal years.  

In fiscal 2020, we elected to forego the qualitative assessment due to the unprecedented impact of COVID-19 and utilized a quantitative assessment approach for all reporting units.  We estimated the fair value of each reporting unit using primarily an income approach based on discounted cash flows.  The assumptions we used to estimate the fair value of our reporting units are based on historical performance, as well as forecasts used in our business plan, and required considerable management judgment in light of the impact of COVID-19.  Our Aviation Services reporting units were impacted by the reduced numbers of commercial aircraft flying and the overall decline in flight hours.  We incorporated the decline in demand from commercial airline customers followed by a multiple year recovery as passenger miles and flight hours progressively increase.

We used discount rates based on our consolidated weighted average cost of capital which was adjusted for each of our reporting units based on their specific risk, size, and industry characteristics.  The fair value measurements used for our goodwill impairment testing used significant unobservable inputs, which reflected our own assumptions about the inputs that market participants would use in measuring fair value.  The fair value of our reporting units is also impacted by our overall market capitalization and may be impacted by volatility in our stock price and assumed control premium, among other items.

Upon completion of the annual quantitative goodwill impairment analysis as of May 31, 2020 for our reporting units, we concluded the fair value of each reporting unit exceeded its carrying values, and thus no impairment charges were recorded.

We also evaluate the sensitivity of the discounted cash flow valuations by assessing the impact of changes in certain assumptions on the estimated fair value of each reporting unit by increasing the discount rates and/or adjusting our business plan assumptions including slower recovery of sales from COVID-19 and reduced profitability.  All of our reporting units would have had fair values substantially in excess of their carrying values under all our sensitivity scenarios.

Inventories

Inventories are valued at the lower of cost or net realizable value.  Cost is determined by the specific identification, average cost or first-in, first-out methods.  Write-downs are made for excess and obsolete inventories and inventories that have been impaired as a result of industry conditions.  We have utilized certain assumptions when determining the market value of inventories, such as inventory quantities and aging, historical sales of inventory, current and expected future aviation usage trends, replacement values, expected future demand, and historical scrap recovery rates.  Reductions in demand for certain of our inventories or declining market values, as well as differences between actual results and the assumptions utilized by us when determining the market value of our inventories, could result in the recognition of impairment charges in future periods.

In conjunction with the decision to exit certain product lines and facilities, we recognized inventory impairment charges of $3.9 million in fiscal 2020.  We also recognized rotable asset impairment charges of $1.9 million in fiscal 2020 in conjunction with reclassifying the rotable assets as inventory held for sale.  In fiscal 2022 and 2021, we recognized additional impairment charges of $1.0 million and $1.4 million, respectively, on these assets.

Revenue Recognition

Revenue is measured based on consideration specified in a contract with a customer, and excludes any sales incentives and amounts collected on behalf of third parties. We recognize revenue when we satisfy a performance obligation by transferring control over a product or service to a customer.

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Our unit of accounting for revenue recognition is a performance obligation included in our customer contracts.  A performance obligation reflects the distinct good or service that we must transfer to a customer.  At contract inception, we evaluate if the contract should be accounted for as a single performance obligation or if the contract contains multiple performance obligations.  In some cases, our contract with the customer is considered one performance obligation as it includes factors such as whether the good or service being provided is significantly integrated with other promises in the contract, whether the service provided significantly modifies or customizes another good or service or whether the good or service is highly interdependent or interrelated.  If the contract has more than one performance obligation, we determine the standalone price of each distinct good or service underlying each performance obligation and allocate the transaction price based on their relative standalone selling prices.

The transaction price of a contract, which can include both fixed and variable amounts, is allocated to each performance obligation identified.  Some contracts contain variable consideration, which could include incremental fees or penalty provisions related to performance.  Variable consideration that can be reasonably estimated based on current assumptions and historical information is included in the transaction price at the inception of the contract but limited to the amount that is probable that a significant reversal in the amount of cumulative revenue recognized will not occur.  Variable consideration that cannot be reasonably estimated is recorded when known.

Our performance obligations are satisfied over time as work progresses or at a point in time based on transfer of control of products and services to our customers.  The majority of our sales from products are recognized at a point in time upon transfer of control to the customer, which generally occurs upon shipment.  In connection with certain sales of products, we also provide logistics services, which include inventory management, replenishment, and other related services.  The price of such services is generally included in the price of the products delivered to the customer, and revenues are recognized upon delivery of the product, at which point the customer has obtained control of the product.  We do not account for these services separate from the related product sales as the services are inputs required to fulfill part orders received from customers.

For our performance obligations that are satisfied over time, we measure progress in a manner that depicts the performance of transferring control to the customer. As such, we utilize the input method of cost-to-cost to recognize revenue over time as this depicts when control of the promised goods or services are transferred to the customer.  Revenue is recognized based on the relationship of actual costs incurred to date to the estimated total cost at completion of the performance obligation.  We are required to make certain judgments and estimates, including estimated revenues and costs, as well as inflation and the overall profitability of the arrangement.  Key assumptions involved include future labor costs and efficiencies, overhead costs, and ultimate timing of product delivery.  Differences may occur between the judgments and estimates made by management and actual program results.

Changes in estimates and assumptions related to our arrangements accounted for using the cost-to-cost method are recorded using the cumulative catch-up method of accounting.  These changes are primarily adjustments to the estimated profitability for our long-term programs where we provide component inventory management and/or repair services.

When contracts are modified, we consider whether the modification either creates new or changes the existing enforceable rights and obligations. Contract modifications that are for goods or services that are not distinct from the existing contract, due to the significant integration with the original goods or services provided, are accounted for as if they were part of that existing contract with the effect of the contract modification recognized as an adjustment to revenue on a cumulative catch-up basis. When the modifications include additional performance obligations that are distinct, they are accounted for as a new contract and performance obligation, which are recognized prospectively.

Under most of our U.S. government contracts, if the contract is terminated for convenience, we are entitled to payment for items delivered and fair compensation for work performed, the costs of settling and paying other claims, and a reasonable profit on the costs incurred or committed.

Shipping and handling fees and costs incurred associated with outbound freight after control over a product has transferred to a customer are accounted for as a fulfillment cost and are included in Cost of sales on our Consolidated Statements of Income, and are not considered a performance obligation to our customers.  Our reported sales on our Consolidated Statements of Income are net of any sales or related non-income taxes.  We also utilize the “as invoiced” practical expedient in certain cases where performance obligations are satisfied over time and the invoiced amount corresponds directly with the value we are providing to the customer.

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The timing of revenue recognition, customer billings, and cash collections results in a contract asset or contract liability at the end of each reporting period.  Contract assets consist of unbilled receivables or costs incurred where revenue recognized over time using the cost-to-cost model exceeds the amounts billed to customers.  Contract liabilities include advance payments and billings in excess of revenue recognized. Certain customers make advance payments prior to the satisfaction of our performance obligations on the contract.  These amounts are recorded as contract liabilities until such performance obligations are satisfied, either over time as costs are incurred or at a point in time when deliveries are made. Contract assets and contract liabilities are determined on a contract-by-contract basis.

Allowance for Credit Losses

We maintain an allowance for credit losses to reflect the expected uncollectibility of accounts receivable based on past collection history and specific risks identified among uncollected accounts.  In determining the required allowance, we consider factors such as general and industry-specific economic conditions, customer credit history, and our customers’ current and expected future financial performance. The majority of our customers are recurring customers with an established payment history. Certain customers are required to undergo an extensive credit check prior to delivery of products or services.

We perform regular evaluations of customer payment experience, current financial condition, and risk analysis. We may require collateral in the form of security interests in assets, letters of credit, and/or obligation guarantees from financial institutions for transactions executed on other than normal trade terms. We also maintain trade credit insurance for certain customers to provide coverage, up to a certain limit, in the event of insolvency of some customers.

Impairment of Long-Lived Assets

We are required to test for impairment of long-lived assets whenever events or changes in circumstances indicate the carrying value of an asset may not be recoverable from its undiscounted cash flows. When applying accounting standards addressing impairment of long-lived assets, we have utilized certain assumptions to estimate future undiscounted cash flows, including current and future sales volumes or lease rates, expected changes to cost structures, lease terms, residual values, market conditions, and trends impacting future demand. Differences between actual results and the assumptions utilized by us when determining undiscounted cash flows could result in future impairments of long-lived assets. We recognized a pre-tax asset impairment charge of $11.8 million in fiscal 2020 related to assets included in our COCO business, which is classified as a discontinued operation.  In our Expeditionary Services segment, we consolidated manufacturing facilities and recognized impairment and related charges of $2.6 million during fiscal 2021.

We maintain a significant inventory of rotable parts and equipment to service customer aircraft and components.  Portions of that inventory are used parts that are often exchanged with parts removed from aircraft or components, and are reworked to a useable condition.  We may have to recognize an impairment of our rotable parts and equipment if we discontinue using or servicing certain aircraft models or if an older aircraft model is phased-out in the industry.  In light of declines in commercial airline volumes and commercial program contract terminations, we evaluated future cash flows related to certain rotable assets supporting long-term programs and recognized asset impairment charges of $2.3 million, $5.8 million, and $1.9 million in fiscal 2022, 2021, and 2020, respectively.

Pension Plans

Our pension plan assets exceed our total projected benefit obligation by $6.0 million as of May 31, 2022. This overfunded position is driven by our U.S. plans where their plan assets exceed their obligations by $5.2 million.

Effective May 31, 2022, our Union and U.S. Retirement Plans were merged (collectively, the “Merged U.S. Plan”). We are expecting to terminate the Merged U.S. Plan in the next 12-18 months upon the completion of regulatory approvals and the anticipated transfer of the Merged U.S. Plan’s obligations and assets to a third-party.  The Merged U.S. Plan is in an overfunded position of $8.9 million and we do not anticipate making any contributions to the Merged U.S. Plan in conjunction with the termination.

The liabilities and net periodic cost of our pension plans are determined utilizing several actuarial assumptions, the most significant of which are the discount rate and the expected long-term rate of return on plan assets.

29

We use discount rates to measure our benefit obligation and net periodic benefit cost for our pension plans.  We used a broad population of Aa-rated corporate bonds as of May 31, 2022 to determine the discount rate assumption.  All bonds were denominated in U.S. Dollars, with a minimum outstanding of $50.0 million.  This population of bonds was narrowed from a broader universe of over 500 Moody’s Aa-rated, non-callable (or callable with make-whole provisions) bonds by eliminating the top 10^th percentile and the bottom 40^th percentile to adjust for any pricing anomalies and to represent the bonds we would most likely select if we were to actually annuitize our pension plan liabilities.  This portfolio of bonds was used to generate a yield curve and associated spot rate curve to discount the projected benefit payments and settlements for the Merged U.S. Plan.  The discount rate is the single level rate that produces the same result as the spot rate curve.

We establish the long-term asset return assumption based on a review of historical compound average asset returns, both company-specific and relating to the broad market, as well as analysis of current market and economic information and future expectations. For our Merged U.S. Plan, we have invested the majority of the plan assets in fixed income investments in anticipation of the upcoming termination of the Merged U.S. Plan. The asset return is expected to correspond to the changes in the discount rate and the valuation of the pension obligation to mitigate the risk of a significant reduction in the current overfunded position.

In calculating the net pension cost, the expected return on assets is applied to a calculated value on plan assets, which recognizes changes in the fair value of plan assets in a systematic manner over five years.  The difference between this expected return and the actual return on plan assets is a component of the total net unrecognized gain or loss and is subject to amortization in the future.

ITEM 7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Our exposure to market risk includes fluctuating interest rates under our credit agreements, changes in foreign exchange rates, and credit losses on accounts receivable.  See Note 1 of Notes to Consolidated Financial Statements for a discussion on accounts receivable exposure.

We are exposed to the risk that our earnings and cash flows could be adversely impacted by fluctuations in interest rates.  A 10 percent increase in the average interest rate affecting our financial instruments, including the average outstanding balance of our debt obligations would not have had a significant impact on our pre-tax income during fiscal 2022.

Revenues and expenses of our foreign operations are translated at average exchange rates during the year, and balance sheet accounts are translated at year-end exchange rates.  Balance sheet translation adjustments are excluded from the results of operations and are recorded in stockholders’ equity as a component of accumulated other comprehensive loss.  A hypothetical 10 percent devaluation of the U.S. dollar against foreign currencies would not have had a material impact on our financial position or continuing operations during fiscal 2022.

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ITEM 8.FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

	Page
Report of Independent Registered Public Accounting Firm (KPMG LLP, Chicago, IL, Auditor Firm ID: 185)	32
Consolidated Statements of Income	34
Consolidated Statements of Comprehensive Income (Loss)	35
Consolidated Balance Sheets	36
Consolidated Statements of Changes in Equity	38
Consolidated Statements of Cash Flows	39

31

Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors

AAR CORP.:

Opinion on the Consolidated Financial Statements

We have audited the accompanying consolidated balance sheets of AAR CORP. and subsidiaries (the Company) as of May 31, 2022 and 2021, the related consolidated statements of income, comprehensive income (loss), changes in equity, and cash flows for each of the years in the three-year period ended May 31, 2022, and the related notes (collectively, the consolidated financial statements). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of May 31, 2022 and 2021, and the results of its operations and its cash flows for each of the years in the three-year period ended May 31, 2022, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’s internal control over financial reporting as of May 31, 2022, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission, and our report dated July 21, 2022 expressed an unqualified opinion on the effectiveness of the Company’s internal control over financial reporting.

Basis for Opinion

These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matters

The critical audit matters communicated below are matters arising from the current period audit of the consolidated financial statements that were communicated or required to be communicated to the audit committee and that: (1) relate to accounts or disclosures that are material to the consolidated financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

Assessment of the write-down of inventories

As discussed in Note 1 to the consolidated financial statements, the inventory balance as of May 31, 2022 was $550.5 million. The Company records inventory within the Aviation Services segment at the lower of cost or net realizable value. The write-down of slow moving inventory is recorded for excess or obsolete inventory based on certain inputs and assumptions used to determine the net realizable value. These assumptions include the number of days transpiring from the date the inventory was originally received and the historical sales of inventory to determine recovery rates. Other inputs include current and expected future aviation usage trends, replacement values, expected future demand, and historical scrap recovery rates.

32

We identified the assessment of the write-down of inventories for a portion of the inventory within the Aviation Services segment as a critical audit matter. The primary inputs and assumptions used in determining the write-down of slow moving inventory include the historical recovery rates, which are based on the number of days transpiring from the date the inventory was originally received, the historical sales of inventory, and the identification of specific inventories associated with aircraft with declining usage trends. The assessment of these inputs required a higher degree of subjective auditor judgment in evaluating the future customer demand for slow moving inventory.

The following are the primary procedures we performed to address this critical audit matter. We evaluated the design and tested the operating effectiveness of certain internal controls over the Company’s inventory process, including controls over the Company’s evaluation of the impact on the estimate of net realizable value based on 1) the number of days transpiring from the date the inventory was originally received, 2) historical sales of inventory, and 3) specific inventories associated with aircraft with declining usage trends. We also tested relevant information technology application controls over the determination of the number of days transpiring from the date the inventory was originally received. We evaluated the write-down to determine that it was recorded using the Company’s policy based on the number of days transpiring from the date the inventory was originally received and the recovery rates of existing inventory based on historical sales. We also assessed that the recovery rates applied to slow moving inventory were consistent with historical sales of these inventory items. We assessed the identification of specific inventory with declining usage trends by evaluating external industry information.  

Evaluation of the estimate of costs at completion of certain performance obligations

As discussed in Note 1 to the consolidated financial statements, for revenue with performance obligations that are satisfied over time, the Company recognizes revenue using the cost-to-cost input method, which depicts when control of the promised goods or services are transferred to the customer. Revenue is recognized based on the relationship of costs incurred to date to the estimated total costs at completion of the performance obligation. The net favorable cumulative catch-up adjustments recognized during fiscal year 2022 associated with revenue recognized over time totaled $10.0 million, which resulted from changes in the estimated billings and costs at completion of the performance obligations.

We identified the evaluation of the estimate of total costs at completion of the performance obligations for certain contracts within the Aviation Services segment as a critical audit matter. The key inputs and assumptions used in determining the revenue to be recognized include current and future costs to support the program, and future labor costs. The testing of the key inputs and assumptions required the application of subjective auditor judgment because of the estimation uncertainty associated with the inputs and assumptions.

The following are the primary procedures we performed to address this critical audit matter. We evaluated the design and tested the operating effectiveness of certain internal controls over the Company’s revenue process, including controls over 1) the assessment of the estimated future costs, 2) actual costs incurred for each performance obligation that are used by the Company in their assessment of the measure of progress, and 3) the approval of costs recorded for each performance obligation to assess the allowability per the contract. We obtained the Company’s forecast for the cost of a selection of Aviation Services revenue contracts and assessed that the measure of progress was determined using actual costs to date plus the estimated future costs to support the satisfaction of performance obligations. We selected a sample of contract costs where revenue is recognized over time to test actual fiscal year 2021 program costs by comparing them to underlying documentation. We evaluated the Company’s historical estimates to assess their consistency with the Company’s historical actual costs.

	/s/ KPMG LLP
We have served as the Company’s auditor since 1985.
Chicago, Illinois
July 21, 2022

33

AAR CORP. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

	For the Year Ended May 31,
	2022		2021		2020
	(In millions, except per share data)
Sales:
Sales from products	$	1,078.3	$	934.9	$	1,090.0
Sales from services		741.7		717.4		982.0
		1,820.0		1,652.3		2,072.0
Costs and operating expenses:
Cost of products		869.4		773.8		900.0
Cost of services		637.4		602.6		902.8
Provision for credit losses		1.2		8.5		5.4
Selling, general and administrative		202.2		182.4		220.6
		1,710.2		1,567.3		2,028.8
Earnings (Loss) from joint ventures		(2.9)		0.2		(1.9)
Operating income		106.9		85.2		41.3
Losses related to sale and exit of business		(1.7)		(20.2)		—
Other income (expense), net		2.2		4.3		(2.1)
Interest expense		(2.4)		(5.0)		(9.3)
Interest income		0.1		0.2		0.5
Income from continuing operations before provision for income taxes		105.1		64.5		30.4
Provision for income taxes		26.6		18.2		5.6
Income from continuing operations		78.5		46.3		24.8
Income (Loss) from discontinued operations, net of tax		0.2		(10.5)		(20.4)
Net income	$	78.7	$	35.8	$	4.4
Earnings per share – basic:
Earnings from continuing operations	$	2.19	$	1.31	$	0.71
Income (Loss) from discontinued operations		0.01		(0.30)		(0.59)
Earnings per share – basic	$	2.20	$	1.01	$	0.12
Earnings per share – diluted:
Earnings from continuing operations	$	2.16	$	1.30	$	0.71
Income (Loss) from discontinued operations		0.01		(0.30)		(0.58)
Earnings per share – diluted	$	2.17	$	1.00	$	0.13

The accompanying notes to consolidated financial statements are an integral part of these statements.

34

AAR CORP. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

	For the Year Ended May 31,
	2022		2021		2020
	(In millions)
Net income	$	78.7	$	35.8	$	4.4
Other comprehensive income (loss), net of tax:
Currency translation adjustments		(6.7)		5.9		0.1
Unrecognized pension and post retirement costs, net of tax benefit (expense) of $1.4 in 2022, $5.2 in 2021, and $(1.0) in 2020		5.4		20.4		(3.8)
Total other comprehensive income (loss), net of tax		(1.3)		26.3		(3.7)
Comprehensive income	$	77.4	$	62.1	$	0.7

The accompanying notes to consolidated financial statements are an integral part of these statements.

35

AAR CORP. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

ASSETS

	May 31,
	2022		2021
	(In millions, except share data)
Current assets:
Cash and cash equivalents	$	53.5	$	51.8
Restricted cash		5.4		8.4
Accounts receivable, net		214.0		166.7
Contract assets		73.6		71.9
Inventories		550.5		540.6
Rotable assets and equipment on or available for short-term lease		53.6		50.4
Assets of discontinued operations		16.2		19.5
Prepaid expenses and other current assets		40.4		27.7
Total current assets		1,007.2		937.0
Property, plant and equipment, at cost:
Land		3.3		3.3
Buildings and improvements		94.7		114.7
Equipment and furniture and fixtures		269.9		262.2
		367.9		380.2
Accumulated depreciation		(258.3)		(260.2)
		109.6		120.0
Other assets:
Goodwill and intangible assets, net		119.7		123.8
Operating lease right-of-use assets, net		73.0		75.8
Rotable assets supporting long-term programs		166.6		184.3
Other non-current assets		97.8		98.8
		457.1		482.7
	$	1,573.9	$	1,539.7

The accompanying notes to consolidated financial statements are an integral part of these statements.

36

AAR CORP. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

LIABILITIES AND EQUITY

	May 31,
	2022		2021
	(In millions, except share data)
Current liabilities:
Accounts payable		156.4		127.2
Accrued liabilities		174.6		174.2
Liabilities of discontinued operations		17.2		35.4
Total current liabilities		348.2		336.8
Long-term debt		98.9		133.7
Operating lease liabilities		57.4		59.9
Deferred tax liabilities		20.0		9.5
Other liabilities		14.9		25.4
		191.2		228.5
Equity:
Preferred stock, $1.00 par value, authorized 250,000 shares; none issued		—		—
Common stock, $1.00 par value, authorized 100,000,000 shares; issued 45,300,786 shares at cost		45.3		45.3
Capital surplus		477.5		479.8
Retained earnings		820.4		741.7
Treasury stock, 9,909,702 and 9,925,551 shares at cost, respectively		(289.1)		(274.1)
Accumulated other comprehensive loss		(19.6)		(18.3)
Total equity		1,034.5		974.4
	$	1,573.9	$	1,539.7

The accompanying notes to consolidated financial statements are an integral part of these statements.

37

AAR CORP. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

FOR THE THREE YEARS ENDED MAY 31, 2022

(In millions)
​

									Accumulated
									Other
	Common		Capital		Retained		Treasury		Comprehensive		Total
	Stock		Surplus		Earnings		Stock		Income (Loss)		Equity
Balance, May 31, 2019	$	45.3	$	479.4	$	709.8	$	(287.7)	$	(40.9)	$	905.9
Cumulative effect adjustment upon adoption of ASC 842 on June 1, 2019		—		—		2.5		—		—		2.5
Net income		—		—		4.4		—		—		4.4
Cash dividends		—		—		(10.7)		—		—		(10.7)
Stock option activity		—		3.1		—		8.3		—		11.4
Restricted stock activity		—		(3.9)		—		0.8		—		(3.1)
Repurchase of shares		—		—		—		(4.1)		—		(4.1)
Other comprehensive loss, net of tax		—		—		—		—		(3.7)		(3.7)
Balance, May 31, 2020	$	45.3	$	478.6	$	706.0	$	(282.7)	$	(44.6)	$	902.6
Net income		—		—		35.8		—		—		35.8
Cash dividends		—		—		(0.1)		—		—		(0.1)
Stock option activity		—		3.6		—		3.0		—		6.6
Restricted stock activity		—		(2.4)		—		5.6		—		3.2
Other comprehensive income, net of tax		—		—		—		—		26.3		26.3
Balance, May 31, 2021	$	45.3	$	479.8	$	741.7	$	(274.1)	$	(18.3)	$	974.4
Net income		—		—		78.7		—		—		78.7
Stock option activity		—		2.0		—		19.3		—		21.3
Restricted stock activity		—		(4.3)		—		8.1		—		3.8
Repurchase of shares		—		—		—		(42.4)		—		(42.4)
Other comprehensive loss, net of tax		—		—		—		—		(1.3)		(1.3)
Balance, May 31, 2022	$	45.3	$	477.5	$	820.4	$	(289.1)	$	(19.6)	$	1,034.5

The accompanying notes to consolidated financial statements are an integral part of these statements.

38

AAR CORP. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In millions)	For the Year Ended May 31,
	2022		2021		2020
Cash flows provided from (used in) operating activities:
Net income	$	78.7	$	35.8	$	4.4
Less: Loss (Income) from discontinued operations		(0.2)		10.5		20.4
Income from continuing operations		78.5		46.3		24.8
Adjustments to reconcile income to net cash provided from (used in) operating activities:
Depreciation and intangible amortization		33.1		36.3		43.7
Stock-based compensation expense		8.2		9.2		7.3
Provision for credit losses		1.2		8.5		5.4
Pension settlement charges		1.4		0.9		1.5
Deferred tax provision		8.7		8.4		0.5
Loss (Earnings) from joint ventures		2.9		(0.2)		1.9
Customer contract termination and restructuring costs		—		2.2		31.3
Impairment charges		2.9		9.1		8.1
Losses on sale and exit of business		1.7		20.2		—
Changes in certain assets and liabilities, net of acquisitions:
Accounts receivable		(49.0)		(4.5)		14.8
Contract assets		(1.9)		(26.4)		9.9
Inventories		(10.4)		74.9		(94.5)
Prepaid expenses and other current assets		(10.2)		49.8		(40.1)
Rotable assets supporting long-term programs		3.0		9.1		(22.1)
Accounts payable		29.4		(62.6)		4.1
Accrued and other liabilities		(10.5)		16.2		(1.0)
Deferred revenue on long-term programs		3.8		(83.0)		(14.6)
Other		(3.0)		(5.9)		(0.1)
Net cash provided from (used in) operating activities–continuing operations		89.8		108.5		(19.1)
Net cash used in operating activities–discontinued operations		(14.6)		(3.3)		(17.0)
Net cash provided from (used in) operating activities		75.2		105.2		(36.1)
Cash flows used in investing activities:
Property, plant and equipment expenditures		(17.3)		(11.3)		(23.6)
Proceeds from asset sales		7.3		—		—
Proceeds from termination of life insurance policies		—		10.0		—
Other		(6.5)		0.8		(1.2)
Net cash used in investing activities		(16.5)		(0.5)		(24.8)
Cash flows provided from (used in) financing activities:
Short-term borrowings (repayments), net		(9.5)		(470.0)		459.5
Repayments on long-term borrowings		(24.7)		—		—
Cash dividends		—		(0.1)		(10.7)
Purchase of treasury stock		(42.4)		—		(4.1)
Stock compensation activity		16.8		0.6		1.1
Other		—		—		(1.3)
Net cash provided from (used in) financing activities		(59.8)		(469.5)		444.5
Effect of exchange rate changes on cash		(0.2)		0.3		—
Increase (Decrease) in cash and cash equivalents		(1.3)		(364.5)		383.6
Cash, cash equivalents, and restricted cash at beginning of year		60.2		424.7		41.1
Cash, cash equivalents, and restricted cash at end of year	$	58.9	$	60.2	$	424.7

The accompanying notes to consolidated financial statements are an integral part of these statements.

39

AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

1. Summary of Significant Accounting Policies

Description of Business

AAR CORP. (the “Company”) is a diversified provider of services and products to the worldwide commercial aviation and government and defense markets.  Services and products include: aviation supply chain and parts support programs; customer fleet management and operations; maintenance, repair and overhaul (“MRO”) of airframes, landing gear, and certain other airframe components; design and manufacture of specialized pallets, shelters, and containers; aircraft modifications and aircraft and engine sales and leasing. We serve commercial, government and defense aircraft fleet operators, original equipment manufacturers, and independent service providers around the world, and various other domestic and foreign military customers.

Principles of Consolidation

The accompanying Consolidated Financial Statements include the accounts of the Company and its majority-owned subsidiaries after elimination of intercompany accounts and transactions.

Certain reclassifications have been made to the prior year presentation to conform to the 2022 presentation.

New Accounting Pronouncements Adopted

In February 2016, the FASB issued ASU No. 2016-02, Leases (“ASC 842”), which amended the existing accounting standards for lease accounting.  ASC 842 requires lessees to recognize a right-of-use (“ROU”) asset and lease liability on the balance sheet for most lease arrangements, including those classified as operating leases.  In addition, ASC 842 requires new qualitative and quantitative disclosures about our leasing activities.  

We adopted ASC 842 on June 1, 2019 using the modified retrospective transition approach.  Under that approach, prior periods were not restated and continue to be reported under the accounting standards in effect for those periods.  We elected the package of practical expedients, which must be elected as a package and applied consistently to all leases.  This package permitted us to not reassess our prior conclusions about lease identification, lease classification and initial direct costs. In addition, we elected the practical expedients to not separate lease and non-lease components for both lessee and lessor relationships and to not apply the recognition requirements to leases with terms of twelve months or less.

Upon adoption of ASC 842 on June 1, 2019, we recognized operating lease ROU assets of $123.2 million and operating lease liabilities of $116.8 million on our Consolidated Balance Sheet. These amounts included operating lease ROU assets of $26.6 million and operating lease liabilities of $25.3 million related to our discontinued operations. In addition, we recognized the remaining unamortized deferred gains of $2.5 million, net of tax, associated with sale-leaseback transactions as a cumulative effect adjustment to the opening balance of retained earnings as of June 1, 2019. The adoption of ASC 842 did not have a material impact on the Consolidated Statements of Income or Cash Flows.

Revenue Recognition

Revenue is measured based on consideration specified in a contract with a customer, and excludes any sales incentives and amounts collected on behalf of third parties. We recognize revenue when we satisfy a performance obligation by transferring control over a product or service to a customer.  

40

AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Our unit of accounting for revenue recognition is a performance obligation included in our customer contracts.  A performance obligation reflects the distinct good or service that we must transfer to a customer.  At contract inception, we evaluate if the contract should be accounted for as a single performance obligation or if the contract contains multiple performance obligations.  In some cases, our contract with the customer is considered one performance obligation as it includes factors such as whether the good or service being provided is significantly integrated with other promises in the contract, whether the service provided significantly modifies or customizes another good or service or whether the good or service is highly interdependent or interrelated.  If the contract has more than one performance obligation, we determine the standalone price of each distinct good or service underlying each performance obligation and allocate the transaction price based on their relative standalone selling prices.

The transaction price of a contract, which can include both fixed and variable amounts, is allocated to each performance obligation identified.  Some contracts contain variable consideration, which could include incremental fees or penalty provisions related to performance.  Variable consideration that can be reasonably estimated based on current assumptions and historical information is included in the transaction price at the inception of the contract but limited to the amount that is probable that a significant reversal in the amount of cumulative revenue recognized will not occur.  Variable consideration that cannot be reasonably estimated is recorded when known.

Our performance obligations are satisfied over time as work progresses or at a point in time based on transfer of control of products and services to our customers.  The majority of our sales from products typically represent distinct performance obligations and are recognized at a point in time upon transfer of control to the customer, which generally occurs upon shipment.  In connection with certain sales of products, we also provide logistics services, which include inventory management, replenishment, and other related services.  The price of such services is generally included in the price of the products delivered to the customer, and revenues are recognized upon delivery of the product, at which point the customer has obtained control of the product.  We do not account for these services separate from the related product sales as the services are inputs required to fulfill part orders received from customers.

For our performance obligations that are satisfied over time, we measure progress in a manner that depicts the performance of transferring control to the customer. As such, we utilize the input method of cost-to-cost to recognize revenue over time as this depicts when control of the promised goods or services are transferred to the customer.  Revenue is recognized based on the relationship of actual costs incurred to date to the estimated total cost at completion of the performance obligation.

We are required to make certain judgments and estimates, including estimated revenues and costs, as well as inflation and the overall profitability of the arrangement.  Key assumptions involved can include customer volume, future labor costs and efficiencies, repair or overhaul costs, overhead costs, and ultimate timing of product delivery.  Differences may occur between the judgments and estimates made by management and actual program results.  For contracts that are deemed to be loss contracts, we establish forward loss reserves for total estimated costs that are in excess of total estimated consideration in the period in which they become known.

We utilize the portfolio approach to estimate the amount of revenue to recognize for certain contracts which require over-time revenue recognition.  Such contracts are grouped together either by revenue stream, customer or product line with each portfolio of contracts grouped together based on having similar characteristics. The portfolio approach is utilized only when the result of the accounting is not expected to be materially different than if applied to individual contracts.

We also may enter into offset agreements or conditions as part of obtaining orders for our products and services from certain government customers in foreign countries.  These agreements are designed to enhance the social and economic environment of the foreign country by requiring the contractor to promote investment in the country.  These agreements also may be satisfied through our use of cash or other means of providing financial support for in-country projects with local companies.  The amounts ultimately applied against our offset agreements are based on negotiations with the customer and satisfaction of our offset obligations are included in the estimates of our total costs to complete the contract.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

When contracts are modified, we consider whether the modification either creates new or changes the existing enforceable rights and obligations. Contract modifications that are for goods or services that are not distinct from the existing contract, due to the significant integration with the original goods or services provided, are accounted for as if they were part of that existing contract with the effect of the contract modification recognized as an adjustment to revenue on a cumulative catch-up basis. When the modifications include additional performance obligations that are distinct, they are accounted for as a new contract and performance obligation, which are recognized prospectively.

Certain contracts with customers have options for the customer to acquire additional goods or services. In most cases, the pricing of these options are reflective of the standalone selling price of the good or service. These options do not provide the customer with a material right and are accounted for only when the customer exercises the option to purchase the additional goods or services.  If the option on the customer contract was not indicative of the standalone selling price of the good or service, the material right would be accounted for as a separate performance obligation.

Under most of our U.S. government contracts, if the contract is terminated for convenience, we are entitled to payment for items delivered and fair compensation for work performed, the costs of settling and paying other claims, and a reasonable profit on the costs incurred or committed.

In the ordinary course of business, agencies of the U.S. and other governments audit our claimed indirect costs and conduct inquiries and investigations of our business practices with respect to government contracts to determine whether our operations are conducted in accordance with these requirements and the terms of the relevant contracts. U.S. government agencies, including the Defense Contract Audit Agency (“DCAA”), routinely audit our claimed indirect costs, for compliance with the Cost Accounting Standards and the Federal Acquisition Regulations. These agencies also conduct reviews and investigations and make inquiries regarding our accounting and other systems in connection with our performance and business practices with respect to our government contracts and subcontracts. As of May 31, 2022, our Consolidated Balance Sheet included $2.6 million of reserves for estimated adjustments to claimed indirect costs.

Costs to fulfill and obtain a contract are considered for capitalization based on contract specific facts and circumstances.  The incremental costs to fulfill a contract, including setup and implementation costs prior to beginning the period of performance, may be capitalized when expenses are incurred prior to the start of satisfying a performance obligation.  The capitalized costs are subsequently expensed over the contract’s period of performance.

We have elected to use certain practical expedients permitted under ASC 606.  Shipping and handling fees and costs incurred associated with outbound freight after control over a product has transferred to a customer are accounted for as a fulfillment cost and are included in Cost of sales on our Consolidated Statements of Income, and are not considered a performance obligation to our customers.  Our reported sales on our Consolidated Statements of Income are net of any sales or related non-income taxes.  We also utilize the “as invoiced” practical expedient in certain cases where performance obligations are satisfied over time and the invoiced amount corresponds directly with the value we are providing to the customer.

Cumulative Catch-up Adjustments

Changes in estimates and assumptions related to our arrangements accounted for using the cost-to-cost method are recorded using the cumulative catch-up method of accounting. These changes are primarily adjustments to the estimated profitability for our long-term programs where we provide component inventory management, supply chain logistics programs, and/or repair services.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Favorable and unfavorable cumulative catch-up adjustments were as follows:

	May 31,
	2022		2021		2020
Favorable cumulative catch-up adjustments	$	15.0	$	16.1	$	6.1
Unfavorable cumulative catch-up adjustments		(5.0)		(4.1)		(2.2)
Net cumulative catch-up adjustments	$	10.0	$	12.0	$	3.9

Contract Assets and Liabilities

The timing of revenue recognition, customer billings, and cash collections results in a contract asset or contract liability at the end of each reporting period. For instances where we recognize revenue prior to having an unconditional right to payment, we record a contract asset or liability. When an unconditional right to consideration exists, we reduce our contract asset or liability and recognize an unbilled or trade receivable. When amounts are dependent on factors other than the passage of time in order for payment from a customer to be due, we record a contract asset which consists of costs incurred where revenue recognized over time using the cost-to-cost model exceeds the amounts billed to customers. Contract liabilities include advance payments and billings in excess of revenue recognized. Certain customers make advance payments prior to the satisfaction of our performance obligations on the contract.  These amounts are recorded as contract liabilities until such performance obligations are satisfied, either over time as costs are incurred or at a point in time when deliveries are made. Contract assets and contract liabilities are determined on a contract-by-contract basis.

Net contract assets and liabilities are as follows:

	May 31,
	2022	2021		Change
Contract assets – current	73.6	$	71.9	$	1.7
Contract assets – non-current	22.5		21.6		0.9
Contract liabilities – current	(20.5)		(25.9)		5.4
Deferred revenue on long-term contracts	(10.1)		(5.4)		(4.7)
Net contract assets	65.5	$	62.2	$	3.3

Contract assets – non-current is reported within Other non-current assets, contract liabilities – current is reported within Accrued Liabilities, and deferred revenue on long-term contracts is reported within Other liabilities on our Consolidated Balance Sheets.  Changes in contract assets and contract liabilities primarily result from the timing difference between our performance of services and payments from customers.

During fiscal 2022, 2021, and 2020, certain commercial power-by-the-hour (“PBH”) customer contracts were terminated or restructured resulting in charges of $5.2 million, $5.7 million and $31.3 million, respectively.  Some of these contracts were deemed loss contracts requiring the establishment of forward loss reserves for the total estimated costs that are in excess of the total estimated consideration over the remainder of the contracts. As of May 31, 2022, our Consolidated Balance Sheet included remaining forward loss reserves of $1.3 million in Accrued liabilities.

To support our PBH customer contracts, we previously entered into an agreement with a component repair facility to outsource a portion of the component repair and overhaul services. The agreement included certain minimum repair volume guarantees, which we have not met due to the impact of COVID-19 on commercial passenger aircraft flight hours.  During fiscal 2021, we recognized a $4.5 million charge to reflect our estimated obligation over the remainder of the agreement for not achieving the minimum volume guarantees. During fiscal 2022, we recognized a $1.7 million charge to increase the obligation reflecting the revised estimated shortfall on the minimum volume guarantee. As of May 31, 2022, our Consolidated Balance Sheet included remaining loss reserves of $3.1 million with $2.3 million classified as current in Accrued liabilities and $0.8 million classified as long-term in Other liabilities.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Changes in our deferred revenue were as follows:

	Year ended May 31,
	2022		2021
Deferred revenue at beginning of period	$	(31.3)	$	(99.2)
Revenue deferred		(259.0)		(251.4)
Revenue recognized		242.3		318.2
Other		17.4		1.1
Deferred revenue at end of period	$	(30.6)	$	(31.3)

Remaining Performance Obligations

As of May 31, 2022, we had approximately $850 million of remaining performance obligations, also referred to as firm backlog, which excludes unexercised contract options and potential orders under our indefinite-delivery, indefinite-quantity contracts.  We expect that approximately 45% of this backlog will be recognized as revenue over the next 12 months with approximately 55% of the remainder recognized over the next three years. The amount of remaining performance obligations that are expected to be recognized as revenue beyond 12 months, primarily relates to our long-term programs where we provide component inventory management, supply chain logistics programs, and/or repair services.

Financial Instruments and Concentrations of Market or Credit Risk

Financial instruments that potentially subject us to concentrations of market or credit risk consist principally of trade receivables.  While our trade receivables are diverse and represent a number of entities and geographic regions, the majority are with the U.S. government and its contractors and entities in the aviation industry.  The composition of our accounts receivable is as follows:

	May 31,
	2022		2021
U.S. Government contracts:
Trade receivables	$	31.6	$	24.1
Unbilled receivables		25.9		25.2
		57.5		49.3
All other customers:
Trade receivables		136.8		104.9
Unbilled receivables		19.7		12.5
		156.5		117.4
	$	214.0	$	166.7

The carrying amounts of cash and cash equivalents, accounts receivable, and accounts and trade notes payable approximate fair value because of the short-term maturity of these instruments.  The carrying value of long-term debt bearing a variable interest rate approximates fair value.

Fair value estimates are made at a specific point in time based on relevant market information about the financial instrument.  These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision.  Changes in assumptions could significantly affect the estimates.

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AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Allowance for Credit Losses

We maintain an allowance for credit losses to reflect the expected uncollectibility of accounts receivable based on past collection history and specific risks identified among uncollected accounts. In determining the required allowance, we consider factors such as general and industry-specific economic conditions, customer credit history, and our customers’ current and expected future financial performance. The majority of our customers are recurring customers with an established payment history. Certain customers are required to undergo an extensive credit check prior to delivery of products or services.

Our allowance for credit losses also includes reserves for estimated product returns based on historical return rates. The reserve for estimated product returns is recognized as a reduction to sales with a corresponding reduction to cost of sales for the estimated cost of inventory that is expected to be returned.

We perform regular evaluations of customer payment experience, current financial condition, and risk analysis. We may require collateral in the form of security interests in assets, letters of credit, and/or obligation guarantees from financial institutions for transactions executed on other than normal trade terms. We also maintain trade credit insurance for certain customers to provide coverage, up to a certain limit, in the event of insolvency of some customers.

The change in our allowance for credit losses was as follows:

	May 31,
	2022		2021		2020
Balance, beginning of year	$	16.4	$	22.1	$	16.0
Provision charged to operations		1.2		8.5		5.4
Recoveries, deductions for accounts written off and other reclassifications		0.3		(14.2)		0.7
Balance, end of year	$	17.9	$	16.4	$	22.1

Goodwill and Other Intangible Assets

In accordance with ASC 350, Intangibles–Goodwill and Other, goodwill and other intangible assets deemed to have indefinite lives are not amortized, but are subject to annual impairment tests. We review and evaluate our goodwill and indefinite life intangible assets for potential impairment at a minimum annually, on May 31, or more frequently if circumstances indicate that impairment is possible.

As of May 31, 2022, we had three reporting units, which included two in our Aviation Services segment (Aviation Supply Chain and MRO) and one comprised of our Expeditionary Services segment. We utilized the qualitative assessment approach for all reporting units which considers general economic conditions, industry specific performance, changes in reporting unit carrying values, and assumptions used in the most recent fair value calculation. We concluded it was more likely than not that the fair value of each reporting unit exceeded its carrying value at May 31, 2022, and thus no impairment charges were recorded.

In fiscal 2020, we elected to forego the qualitative assessment due to the unprecedented impact of the COVID-19 pandemic and utilized a quantitative assessment approach for all reporting units. We estimated the fair value of each reporting unit using primarily an income approach based on discounted cash flows. The assumptions we used to estimate the fair value of our reporting units were based on historical performance, as well as forecasts used in our business plan and required considerable management judgment in light of the impact of COVID-19. We used discount rates based on our consolidated weighted average cost of capital which is adjusted for each of our reporting units based on their specific risk, size, and industry characteristics. The fair value measurements used for our goodwill impairment testing use significant unobservable inputs, which reflected our own assumptions about the inputs that market participants would use in measuring fair value. The fair value of our reporting units is also impacted by our overall market capitalization and may be impacted by volatility in our stock price and assumed control premium, among other items. We concluded the fair value of each reporting unit exceeded its carrying values as of May 31, 2020, and thus no impairment charges were recorded.

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AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Changes in the carrying amount of goodwill by segment for fiscal 2022 and 2021 are as follows:

	Aviation		Expeditionary
	Services		Services		Total
Balance as of May 31, 2020	$	96.4	$	19.3	$	115.7
Sale of Composites		—		(0.5)		(0.5)
Foreign currency translation adjustments		4.1		—		4.1
Balance as of May 31, 2021		100.5		18.8		119.3
Foreign currency translation adjustments		(2.9)		—		(2.9)
Balance as of May 31, 2022	$	97.6	$	18.8	$	116.4

Intangible assets with finite useful lives are amortized on a straight-line basis over their estimated useful lives. Intangible assets, other than goodwill, are comprised of the following:

	May 31, 2022
			Accumulated
Amortizable intangible assets:	Gross		Amortization		Net
Customer relationships	$	11.3	$	(9.1)	$	2.2
Unamortized intangible assets:
Trademarks		1.1		—		1.1
	$	12.4	$	(9.1)	$	3.3

	May 31, 2021
			Accumulated
Amortizable intangible assets:	Gross		Amortization		Net
Customer relationships	$	23.0	$	(19.7)	$	3.3
Unamortized intangible assets:
Trademarks		1.2		—		1.2
	$	24.2	$	(19.7)	$	4.5

During fiscal 2020, we recognized an impairment charge of $5.4 million related to the exit of certain product lines across both our Aviation Services and Expeditionary Services segments.

Customer relationships are being amortized over 5-20 years. Amortization expense recorded during fiscal 2022,  2021 and 2020 was $1.1 million, $1.8 million, and $2.3 million, respectively. The estimated aggregate amount of amortization expense for intangible assets in each of the next five fiscal years is $0.5 million in 2023, $0.3 million in 2024, $0.3 million in 2025, $0.3 million in 2026 and $0.3 million in 2027.

Foreign Currency

Our foreign subsidiaries utilize the local currency as their functional currency. All balance sheet accounts of foreign subsidiaries transacting business in currencies other than the U.S. dollar are translated at year-end exchange rates. Revenues and expenses are translated at average exchange rates during the year. Translation adjustments are excluded from the results of operations and are recorded in stockholders’ equity as a component of accumulated other comprehensive loss until such subsidiaries are liquidated.

Cash

Cash and cash equivalents consist of highly liquid instruments which have original maturities of three months or less when purchased. Restricted cash represents cash on hand required to be set aside by a contractual agreement related to receivable securitization arrangements. Generally, the restrictions related to the receivable securitization arrangements lapse at the time we remit the customer payments collected by us as servicer of previously sold customer receivables to the purchaser.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Inventories

Inventories are valued at the lower of cost or net realizable value. Cost is determined by the specific identification, average cost, or first-in, first-out methods. From time-to-time, we purchase aircraft and engines for disassembly to individual parts and components. Costs are assigned to these individual parts and components utilizing list prices from original equipment manufacturers and recent sales history. Expenditures for the repair of parts and components are capitalized as inventory.

The following is a summary of inventories:

	May 31,
	2022		2021
Aircraft and engine parts, components and finished goods	$	465.9	$	468.4
Raw materials and parts		62.2		53.0
Work-in-process		22.4		19.2
	$	550.5	$	540.6

Rotable Assets and Equipment under Leases

The cost of the asset under lease is the original purchase price plus overhaul costs. Depreciation is computed using the straight-line method over the estimated service life of the equipment. The balance sheet classification of equipment under lease is generally based on lease term, with fixed-term leases less than twelve months generally classified as short-term and all others generally classified as long-term.

Equipment on short-term lease includes aircraft engines and parts on or available for lease to satisfy customers’ immediate short-term requirements. The leases are renewable with fixed terms, which generally vary from one to twelve months.

Property, Plant and Equipment and Other Non-Current Assets

We record property, plant and equipment at cost. Depreciation is computed on the straight-line method over useful lives of 10-40 years for buildings and improvements and 3-10 years for equipment, furniture and fixtures, and capitalized software. Leasehold improvements are amortized over the shorter of the estimated useful life or the term of the applicable lease.

Repair and maintenance expenditures are expensed as incurred. Upon sale or disposal, cost and accumulated depreciation are removed from the accounts, and related gains and losses are included in results of operations.

Rotable assets supporting long-term programs consist of rotable component parts used to support long-term supply chain programs. The assets are being depreciated on a straight-line basis over their estimated useful lives.

In accordance with ASC 360, Property, Plant and Equipment, we are required to test for impairment of long-lived assets whenever events or changes in circumstances indicate the carrying value of an asset may not be recoverable from its undiscounted cash flows.  We utilize certain assumptions to estimate future undiscounted cash flows, including demand for our services, future market conditions and trends, business development pipeline of opportunities, current and future lease rates, lease terms, and residual values.

During fiscal 2021, we evaluated future cash flows related to certain rotable assets supporting long-term PBH programs in light of declines in commercial airline volumes and commercial program contract terminations.  In our Aviation Services segment, we recognized asset impairment charges of $5.8 million related to these rotable assets in fiscal 2021.  In conjunction with the termination of a PBH contract, we evaluated future cash flows related to the rotable assets supporting that fleet type and recognized asset impairment charges of $2.3 million in fiscal 2022.

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AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

In conjunction with the decision to exit certain product lines, we recognized rotable asset impairment charges of $1.9 million in fiscal 2020 in conjunction with reclassifying the rotable assets as inventory held for sale. In fiscal 2022 and 2021, we recognized additional impairment charges of $1.0 million and $1.4 million on these assets.

In our Expeditionary Services segment, we consolidated manufacturing facilities and recognized impairment and related charges of $2.6 million during fiscal 2021.

Future rent due to us under non-cancelable leases during each of the next five fiscal years is $20.5 million in 2023, $20.1 million in 2024, $19.8 million in 2025, $16.5 million in 2026, and $10.3 million in 2027.

Investments

Investments where we have the ability to exercise significant influence, but do not control the entity, are accounted for under the equity method of accounting.  Significant influence generally exists if we have a 20% to 50% ownership interest in the investee. Our share of the net earnings or loss of our investees is included in operating income on our Consolidated Statements of Income since the activities of the investees are closely aligned with our operations. Equity investments in entities over which we do not have the ability to exercise significant influence and whose securities do not have a readily determinable fair value are carried at cost less impairment, if any, adjusted for changes resulting from qualifying observable price changes for the identical investment of the same issuer should they occur.

We evaluate our investments for impairment whenever events or changes in circumstances indicate that the carrying amounts of such investments may be impaired. If a decline in the value of an investment is determined to be other than temporary, a loss is recorded in earnings in the current period.

Our investments are classified in Other non-current assets on our Consolidated Balance Sheets. Distributions from joint ventures are classified as operating or investing activities in the Consolidated Statements of Cash Flows based upon an evaluation of the specific facts and circumstances of each distribution.

Restructuring and Other Exit Costs

We recognize charges for restructuring and other exit costs such as product line exits and facility closures at their fair value when incurred.  In cases where employees are required to render service until they are terminated in order to receive the termination benefits and will be retained beyond the minimum retention period, we recognize the expense ratably over the future service period.

During fiscal 2021 and 2020, we incurred severance and furlough-related costs of $9.0 million and $7.1 million, respectively, which were included as a component of Cost of sales and services and Selling, general and administrative on our Consolidated Statements of Income.

Income Taxes

We are subject to income taxes in the U.S., state, and several foreign jurisdictions. In the ordinary course of business, there can be transactions and calculations where the ultimate tax determination is uncertain. We recognize deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements or tax returns in accordance with applicable accounting guidance for accounting for income taxes, using currently enacted tax rates in effect for the year in which the differences are expected to reverse.

We record a valuation allowance when necessary to reduce deferred tax assets to the amount expected to be realized. Deferred tax assets are reduced by a valuation allowance if, based on the weight of available evidence, it is more likely than not that some portion or all of the deferred tax assets will not be realized. Both positive and negative evidence are considered in forming our judgment as to whether a valuation allowance is appropriate, and more weight is given to evidence that can be objectively verified. Valuation allowances are reassessed whenever there are changes in circumstances that may cause a change in judgment.

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AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

The accounting for uncertainty in income taxes requires a more-likely-than-not threshold for financial statement recognition of tax positions taken or expected to be taken in a tax return. Where necessary, we record a liability for the difference between the benefit recognized for financial statement purposes and the tax position taken or expected to be taken on our tax return. To the extent that our assessment of such tax positions changes, the change in estimate is recorded in the period in which the determination is made.

Supplemental Information on Cash Flows

Supplemental information on cash flows is as follows:

	For the Year Ended
	May 31,
	2022		2021		2020
Interest paid	$	2.1	$	4.3	$	8.6
Income taxes paid		23.9		8.2		14.3
Income tax refunds and interest received		3.8		8.3		7.0

During fiscal 2022, treasury stock increased $15.0 million reflecting the repurchase of 1.0 million common shares for $42.4 million partially offset by restricted stock activity of $8.1 million and the re-issuance of shares upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations, of $19.3 million.

During fiscal 2021, treasury stock decreased $8.6 million reflecting restricted stock activity of $5.6 million and the re-issuance of shares upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations, of $3.0 million.

During fiscal 2020, treasury stock decreased $5.0 million reflecting restricted stock activity of $0.8 million and the re-issuance of shares upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations, of $8.3 million partially offset by the repurchase of common shares of $4.1 million.

Use of Estimates

We have made estimates and utilized certain assumptions relating to the reporting of assets and liabilities and the disclosures of contingent liabilities to prepare these Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States. Actual results could differ from those estimates.

2. Discontinued Operations

During the third quarter of fiscal 2018, we decided to pursue the sale of our Contractor-Owned, Contractor-Operated (“COCO”) business previously included in our Expeditionary Services segment. Due to this strategic shift, the assets, liabilities, and results of operations of our COCO business have been reported as discontinued operations for all periods presented. Unless otherwise noted, amounts and disclosures throughout these Notes to Consolidated Financial Statements relate to our continuing operations.

In the fourth quarter of fiscal 2020, we completed the sale of the last operating contract of the COCO business shortly after government approval.  Our continuing involvement in the COCO business is limited to the lease of certain aircraft which is an obligation of the acquirer of this contract.  The assets and liabilities of our discontinued operations are primarily comprised of right-of-use assets and lease-related liabilities.

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AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

3.  Sale of Receivables

On February 23, 2018, we entered into a Purchase Agreement with Citibank N.A. (“Purchaser”) for the sale, from time to time, of certain accounts receivable due from certain customers (the “Purchase Agreement”).  Under the Purchase Agreement, the maximum amount of receivables sold is limited to $150 million and Purchaser may, but is not required to, purchase the eligible receivables we offer to sell.  The term of the Purchase Agreement runs through February 22, 2023, however, the Purchase Agreement may also be terminated earlier under certain circumstances.  The term of the Purchase Agreement shall be automatically extended for annual terms unless either party provides advance notice that they do not intend to extend the term.

We have no retained interests in the sold receivables, other than limited recourse obligations in certain circumstances, and only perform collection and administrative functions for the Purchaser.  We account for these receivable transfers as sales under ASC 860, Transfers and Servicing, and de-recognize the sold receivables from our Consolidated Balance Sheets.

Receivables sold under the Purchase Agreement during fiscal 2022, 2021, and 2020 were $ 283.3 million, $ 440.6 million, and $746.4 million, respectively. Amounts remitted to the Purchaser on their behalf during fiscal 2022, 2021, and 2020 were $ 306.9 million, $ 476.3 million, and $758.3 million, respectively. As of May 31, 2022 and May 31, 2021, we had collected cash of $5.4 million and $8.4 million, respectively, which was not yet remitted to the Purchaser as of those dates and was classified as Restricted cash on our Consolidated Balance Sheets.

We recognize discounts on the sale of our receivables and other fees related to the Purchase Agreement in Other expense, net on our Consolidated Statements of Income. During fiscal 2022, 2021 and 2020, we incurred discounts on the sale of our receivables and other fees of $ 0.3 million, $ 0.4 million and $1.8 million, respectively.

4. Financing Arrangements

Debt Outstanding

A summary of the carrying amount of our debt is as follows:

	May 31,
	2022		2021
Revolving Credit Facility expiring September 25, 2024 with interest payable monthly	$	100.0	$	109.5
Term loan repaid November 1, 2021 with interest paid monthly		—		25.7
Total debt		100.0		135.2
Debt issuance costs, net		(1.1)		(1.5)
Long-term debt	$	98.9	$	133.7

At May 31, 2022, our variable rate debt had a fair value that approximates its carrying value and is classified as Level 2 in the fair value hierarchy.

On October 18, 2017, we entered into a Credit Agreement with the Canadian Imperial Bank of Commerce, as lender (the “Credit Agreement”). The Credit Agreement provided a Canadian $31 million term loan with the proceeds used to fund the acquisition of two MRO facilities in Canada from Premier Aviation. The term loan was paid in full at the expiration of the Credit Agreement on November 1, 2021.

We maintain a Revolving Credit Facility with various financial institutions, as lenders, and Bank of America, N.A., as administrative agent for the lenders, which provides the Company an aggregate revolving credit commitment of $600 million and matures September 25, 2024.  Under certain circumstances, we have the ability to request, but our lenders are not required to grant, an increase to the revolving credit commitment by an aggregate amount of up to $300 million, not to exceed $900 million in total.

50

AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Borrowings under the Revolving Credit Facility bear interest at the offered Eurodollar Rate plus 87.5 to 175 basis points based on certain financial measurements if a Eurodollar Rate loan, or at the offered fluctuating Base Rate plus 0 to 75 basis points based on certain financial measurements if a Base Rate loan.

Borrowings outstanding under the Revolving Credit Facility at May 31, 2022 were $100.0 million and there were approximately $11.4 million of outstanding letters of credit, which reduced the availability of this facility to $488.6 million.

Our financing arrangements also require us to comply with leverage and interest coverage ratios, maintain a minimum net working capital level, and comply with certain affirmative and negative covenants, including those relating to financial reporting and notification, payment of indebtedness, cash dividends, taxes and other obligations, compliance with applicable laws, and limitations on additional liens, indebtedness, acquisitions, investments and disposition of assets.  The Revolving Credit Facility also requires our significant domestic subsidiaries, and any subsidiaries that guarantee our other indebtedness, to provide a guarantee of payment under the Revolving Credit Facility.  At May 31, 2022, we were in compliance with the financial and other covenants in our financing agreements.

Borrowing activity under the Revolving Credit Facility during fiscal 2022, 2021 and 2020 is as follows:

	For the Year Ended May 31,
	2022			2021			2020
Maximum amount borrowed	$	124.5		$	579.5		$	579.5
Average daily borrowings		105.9			257.5			280.7
Average interest rate during the year		1.09	%		1.20	%		2.62	%

We also have $9.3 million available under foreign lines of credit as of May 31, 2022.

5. Equity

Stock-Based Compensation

We grant stock-based awards under the AAR CORP. 2013 Stock Plan, as Amended and Restated Effective July 13, 2020 (the “2013 Stock Plan”) which has been approved by our stockholders. Under the 2013 Stock Plan, we are authorized to issue stock options to employees and non-employee directors that allow the grant recipients to purchase shares of common stock at a price not less than the fair market value of the common stock on the date of grant. Generally, stock options awarded expire ten years from the date of grant and are exercisable in three annual increments commencing one year after the date of grant. In addition to stock options, the 2013 Stock Plan also provides for the grant of time-based restricted stock awards and performance-based restricted stock awards. The 2013 Stock Plan also provides for the grant of stock appreciation units and restricted stock units; however, to date, no such awards have been granted.

Restricted stock grants (whether time-based or performance-based) are designed, among other things, to align employee interests with the interests of stockholders and to encourage the recipient to build a career with us. Restricted stock typically vests over periods of one to three years from the date of grant. Restricted stock grants may be performance-based with vesting to generally occur over a period of three years. All restricted stock that has been granted and, if performance-based, earned according to performance criteria carries full dividend and voting rights, regardless of whether it has vested.

Substantially all stock options and restricted stock are subject to forfeiture prior to vesting if the employee’s employment terminates for any reason other than death, disability or retirement.  Under the 2013 Stock Plan, we have granted a total of 5,539,104 shares and there were 1,217,028 shares available for grant as of May 31, 2022.

51

AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Stock Options

During fiscal 2022, 2021, and 2020, we granted stock options with respect to 144,815 shares, 936,170 shares and 414,460 shares, respectively. The weighted average fair value per share of stock options granted during fiscal 2022, 2021 and 2020 was $13.42, $5.89 and $10.30, respectively. The fair value of each stock option grant was estimated on the date of grant using the Black-Scholes option pricing model using the following weighted average assumptions:

	Stock Options Granted In Fiscal Year
	2022		2021		2020
Risk-free interest rate	0.8	%	0.4	%	1.9	%
Expected volatility of common stock	41.6	%	40.2	%	32.0	%
Dividend yield	0.8	%	1.6	%	0.8	%
Expected option term in years	5.3		4.8		4.5

The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant. The expected volatility is based on historical volatility of our common stock, and the expected option term represents the period of time that the stock options granted are expected to be outstanding based on historical exercise trends. The dividend yield represents our anticipated cash dividends at the grant date over the expected option term.

A summary of stock option activity for the three years ended May 31, 2022 consisted of the following (shares in thousands):

	2022			2021			2020
		Weighted			Weighted			Weighted
		Average			Average			Average
	Shares	Exercise Price		Shares	Exercise Price		Shares	Exercise Price
Outstanding at beginning of year	2,612	$	28.34	1,851	$	32.74	1,777	$	30.37
Granted	145		37.84	936		18.94	414		37.66
Exercised	(686)		25.53	(110)		23.93	(300)		24.99
Cancelled	(26)		36.17	(65)		25.59	(40)		36.72
Outstanding at end of year	2,045	$	29.86	2,612	$	28.34	1,851	$	32.74
Options exercisable at end of year	1,189	$	33.57	1,371	$	31.56	1,133	$	28.32

The total fair value of stock options that vested during fiscal 2022, 2021, and 2020 was $4.3 million, $3.9 million, and $3.7 million, respectively. The total intrinsic value of stock options exercised during fiscal 2022, 2021, and 2020 was $14.4 million, $1.5 million, and $6.2 million, respectively. The aggregate intrinsic value of options outstanding was $37.6 million and $36.6 million as of May 31, 2022 and 2021, respectively. Expense recognized in Selling, general and administrative expenses for stock options during fiscal 2022, 2021, and 2020 was $3.8 million, $4.0 million, and $3.9 million, respectively. As of May 31, 2022, we had $3.3 million of unrecognized compensation expense related to stock options that will be expensed over an average period of 1.2 years.

52

AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Restricted Stock

We provide executives and other key employees an opportunity to be awarded performance-based and time-based restricted stock. The fair value of restricted shares is the market value of our common stock on the date of grant.  The performance-based awards are contingent upon the achievement of certain objectives, which generally include cumulative income, average return on capital, and relative total shareholder return over a three-year performance period. Performance-based restricted shares of 43,010 and 52,475 were granted to executives and key employees during fiscal 2022 and 2020, respectively. No performance-based restricted shares were granted in fiscal 2021.  Time-based restricted shares of 260,742, 144,255, and 56,535 were granted to executives and key employees during fiscal 2022, 2021, and 2020, respectively.  We also award time-based restricted stock to our non-employee directors as part of their annual compensation.  Time-based restricted shares of 32,307, 72,021, and 44,123 were granted to members of the Board of Directors during fiscal 2022, 2021, and 2020, respectively.

Restricted share activity during fiscal 2022 was as follows (shares in thousands):

		Weighted Average
	Number of	Fair Value
	Shares	on Grant Date
Nonvested at May 31, 2021	369	$	30.12
Granted	336		46.44
Vested	(127)		32.30
Forfeited	(24)		43.30
Nonvested at May 31, 2022	554		38.95

Expense recognized in Selling, general and administrative expenses for all restricted share programs during fiscal 2022, 2021, and 2020 was $4.4 million, $5.2 million, and $3.4 million, respectively.  As of May 31, 2022 we had $13.2 million of unearned compensation related to restricted shares that will be expensed over a weighted average period of 2.4 years.

6. Income Taxes

The provision for income tax on income from continuing operations includes the following components:

	For the Year Ended
	May 31,
	2022		2021		2020
Current:
Federal	$	11.0	$	5.2	$	1.4
State		2.6		1.2		0.9
Foreign		4.3		3.4		2.8
		17.9		9.8		5.1
Deferred		8.7		8.4		0.5
	$	26.6	$	18.2	$	5.6

53

AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

The provision for income taxes on pre-tax income differs from the amount computed by applying the U.S. federal statutory income tax rate of 21.0% for fiscal 2022, 2021 and 2020 to income from continuing operations before provision for income taxes due to the following:

	For the Year Ended
	May 31,
	2022		2021		2020
Provision for income tax at the federal statutory rate	$	22.1	$	13.5	$	6.4
Tax expense (benefits) from stock-based compensation		(2.1)		0.7		(2.1)
State income taxes, net of federal benefit		5.2		2.4		1.1
Change in valuation allowance for state deferred tax assets		—		—		(0.1)
Other		1.4		1.6		0.3
Provision for income tax	$	26.6	$	18.2	$	5.6

Income before provision for income taxes includes the following components:

	For the Year Ended
	May 31,
	2022		2021		2020
Domestic	$	77.1	$	43.7	$	23.6
Foreign		28.0		20.8		6.8
	$	105.1	$	64.5	$	30.4

Our foreign earnings are comprised primarily of the results of our operations in Canada and the United Kingdom.

Deferred tax assets and liabilities result primarily from the differences in the timing of the recognition of transactions for financial reporting and income tax purposes.  Our deferred tax assets and liabilities consist of the following components:

	May 31,
	2022		2021
Deferred tax assets:
Operating lease liabilities	$	21.0	$	20.7
State net operating losses		8.0		6.8
Employee and retirement benefits		7.6		10.4
Allowance for credit losses		—		4.0
Other		1.9		2.6
Total deferred tax assets		38.5		44.5
Deferred tax liabilities:
Tangible and intangible assets		(33.6)		(31.9)
ROU operating lease assets		(22.1)		(21.9)
Other		(2.8)		(0.2)
Total deferred tax liabilities		(58.5)		(54.0)
Net deferred tax liabilities	$	(20.0)	$	(9.5)

As of May 31, 2022, we have determined that the realization of our deferred tax assets is more likely than not and that a valuation allowance is not required. Our net operating losses have carry forward periods that range from 5 to 20 years.  Our history of operating earnings, our expectations for continued future earnings, the nature of certain of our deferred tax assets and the scheduled reversal of deferred tax liabilities, primarily related to depreciation, support the recoverability of the majority of the deferred tax assets. Our net deferred tax assets are included in Other non-current assets on our Consolidated Balance Sheets.

54

AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Income tax receivable was $2.7 million at May 31, 2022 and was included in Prepaid expenses and other current assets on the Consolidated Balance Sheet.  Income tax payable was $0.7 million at May 31, 2021 and was included in Accrued liabilities on the Consolidated Balance Sheet.

Our federal income tax returns for fiscal years 2019 and subsequent are open for examination. Various states and foreign jurisdictions also remain open subject to their applicable statute of limitations.

7. Earnings Per Share

The computation of basic earnings per share is based on the weighted average number of common shares outstanding during each period. The computation of diluted earnings per share is based on the weighted average number of common shares outstanding during the period plus, when their effect is dilutive, incremental shares consisting of shares subject to stock options and shares issuable upon vesting of restricted stock awards.

In accordance with ASC 260-10-45, Share-Based Payment Arrangements and Participating Securities and the Two-Class Method, our unvested restricted stock awards are deemed participating securities since these shares are entitled to participate in dividends declared on common shares. During periods of net income, the calculation of earnings per share for common stock excludes income attributable to unvested restricted stock awards from the numerator and excludes the dilutive impact of those shares from the denominator. During periods of net loss, no effect is given to the participating securities because they do not share in the losses of the Company.

The following tables provide a reconciliation of the computations of basic and diluted earnings per share information for each of the years in the three-year period ended May 31, 2022 (shares in millions).

	For the Year Ended
	May 31,
	2022		2021		2020
Basic and Diluted EPS:
Income from continuing operations	$	78.5	$	46.3	$	24.8
Less income attributable to participating shares		(0.6)		(0.4)		(0.1)
Income from continuing operations attributable to common stockholders		77.9		45.9		24.7
Income (Loss) from discontinued operations attributable to common stockholders		0.2		(10.5)		(20.4)
Net income attributable to common stockholders for earnings per share	$	78.1	$	35.4	$	4.3
Weighted average common shares outstanding – basic		35.6		35.0		34.8
Additional shares from assumed exercise of stock options		0.4		0.3		0.2
Weighted average common shares outstanding – diluted		36.0		35.3		35.0
Earnings per share – basic:
Earnings from continuing operations	$	2.19	$	1.31	$	0.71
Loss from discontinued operations		0.01		(0.30)		(0.59)
Earnings per share - basic	$	2.20	$	1.01	$	0.12
Earnings per share – diluted:
Earnings from continuing operations	$	2.16	$	1.30	$	0.71
Loss from discontinued operations		0.01		(0.30)		(0.58)
Earnings per share - diluted	$	2.17	$	1.00	$	0.13

At May 31, 2022, 2021 and 2020 respectively, outstanding options to purchase 229,800, 1,054,400 and 669,400 shares of common stock were not included in the computation of diluted earnings per share, because the exercise price of these options was greater than the average market price of the common shares for the year then ended.

55

AAR CORP. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

8. Employee Benefit Plans

Defined Benefit Plans

Prior to January 1, 2000, the pension plan for substantially all domestic salaried and non-union hourly employees (“U.S. Retirement Plan”) had a benefit formula based primarily on years of service and compensation.  Effective January 1, 2000, we converted the U.S. Retirement Plan to a cash balance pension plan with the retirement benefit expressed as a dollar amount in an account that grows with annual pay-based credits and interest on the account balance.  The interest crediting rate under the U.S. Retirement Plan is determined quarterly and is equal to 100% of the average 30-year treasury rate for the second month preceding the applicable quarter published by the Internal Revenue Service.  The average interest crediting rate under our cash balance plan for the fiscal year ended May 31, 2022 was 4.46%. Effective June 1, 2005, the U.S. Retirement Plan was frozen and the annual pay-based credits were discontinued.

Our domestic plans also include a defined benefit pension plan for certain union hourly employees in which benefits are based primarily on a fixed amount per year of service (“Union Plan”). The Union Plan was frozen in fiscal 2018.

Effective May 31, 2022, the Union and U.S. Retirement Plans were merged (collectively, the “Merged U.S. Plan”) and we expect to terminate the Merged U.S. Plan in the next 12-18 months upon the completion of regulatory approvals and anticipated transfer of the Merged U.S. Plan’s obligations and assets to a third-party.

We also have a defined benefit pension plan covering certain employees in the Netherlands (“Netherlands Plan”).  Benefit formulas are generally based on years of service and compensation.  Effective January 1, 2022, the Netherlands Plan was frozen and any benefits subsequent to that date are earned by participants in a multi-employer defined contribution plan with the premiums charged to us determined by the third-party pension fund who administers the multi-employer plan.  Pension expense in fiscal 2022 for this plan was $0.5 million.

56

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

The change to our projected benefit obligation and the fair value of our plan assets for our pension plans for the year ended May 31, 2022 was as follows:

	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	70.9	$	4.4	$	83.7	$	159.0
Service cost		0.3		—		1.2		1.5
Interest cost		2.0		0.1		1.0		3.1
Participant contributions		—		—		0.1		0.1
Net actuarial loss		(7.6)		(0.4)		(17.0)		(25.0)
Benefits and administrative payments		(3.0)		(0.4)		(1.7)		(5.1)
Settlements		(2.5)		—		—		(2.5)
Curtailment		—		—		(2.0)		(2.0)
Foreign currency translation adjustment		—		—		(8.9)		(8.9)
Projected benefit obligation at end of year	$	60.1	$	3.7	$	56.4	$	120.2
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	$	81.3	$	—	$	77.1	$	158.4
Actual return on plan assets		(6.8)		—		(9.9)		(16.7)
Employer contributions		—		0.4		0.1		0.5
Participant contributions		—		—		0.1		0.1
Benefits and administrative payments, including settlements		(5.5)		(0.4)		(1.7)		(7.6)
Foreign currency translation adjustment		—		—		(8.5)		(8.5)
Fair value of plan assets at end of year	$	69.0	$	—	$	57.2	$	126.2
Funded status at end of year	$	8.9	$	(3.7)	$	0.8	$	6.0
Accumulated other comprehensive loss	$	26.2	$	0.7	$	3.9	$	30.9

57

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

The change to our projected benefit obligation and the fair value of our plan assets for our pension plans for the year ended May 31, 2021 was as follows:

	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	75.4	$	4.6	$	79.1	$	159.1
Service cost		0.3		—		2.2		2.5
Interest cost		2.1		0.1		0.9		3.1
Participant contributions		—		—		0.3		0.3
Net actuarial (gain) loss		(1.9)		0.1		(2.6)		(4.4)
Benefits and administrative payments		(3.0)		(0.4)		(1.4)		(4.8)
Settlements		(2.0)		—		—		(2.0)
Curtailment		—		—		(2.5)		(2.5)
Foreign currency translation adjustment		—		—		7.7		7.7
Projected benefit obligation at end of year	$	70.9	$	4.4	$	83.7	$	159.0
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	$	65.4	$	—	$	66.4	$	131.8
Actual return on plan assets		20.9		—		2.9		23.8
Employer contributions		—		0.4		2.3		2.7
Participant contributions		—		—		0.3		0.3
Benefits and administrative payments, including settlements		(5.0)		(0.4)		(1.4)		(6.8)
Foreign currency translation adjustment		—		—		6.6		6.6
Fair value of plan assets at end of year	$	81.3	$	—	$	77.1	$	158.4
Funded status at end of year	$	10.4	$	(4.4)	$	(6.6)	$	(0.6)
Accumulated other comprehensive loss	$	24.7	$	1.3	$	11.8	$	37.8

Amounts recognized in the Consolidated Balance Sheets consisted of the following:

	May 31,
	2022		2021
Other non-current assets	$	9.7	$	10.4
Accrued liabilities		(0.3)		(0.4)
Other liabilities		(3.4)		(10.6)
Funded status at end of year	$	6.0	$	(0.6)

The following tables provide the projected benefit obligation, accumulated benefit obligation, and fair value of plan assets for all pension plans with a projected benefit obligation or accumulated benefit obligation in excess of plan assets:

	May 31,
Projected benefit obligation in excess of plan assets	2022		2021
Projected benefit obligation	$	3.7	$	88.1
Fair value of plan assets		—		77.1

	May 31,
Accumulated benefit obligation in excess of plan assets	2022		2021
Projected benefit obligation	$	3.7	$	88.1
Accumulated benefit obligation		3.7		82.1
Fair value of plan assets		—		77.1

58

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

The accumulated benefit obligation for all pension plans was $116.5 million and $153.0 million at May 31, 2022 and 2021, respectively.

Net Periodic Benefit Cost

Pension expense charged to the Consolidated Statements of Income includes the following components:

	For the Year Ended May 31, 2022
	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Service cost	$	0.3	$	—	$	1.2	$	1.5
Interest cost		2.0		0.1		1.0		3.1
Expected return on plan assets		(5.0)		—		(2.5)		(7.5)
Settlements		1.4		—		—		1.4
Recognized net actuarial loss		1.2		0.1		0.2		1.5
	$	(0.1)	$	0.2	$	(0.1)	$	—

	For the Year Ended May 31, 2021
	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Service cost	$	0.3	$	—	$	2.2	$	2.5
Interest cost		2.1		0.1		0.9		3.1
Expected return on plan assets		(4.8)		—		(1.8)		(6.6)
Settlements		0.9		—		—		0.9
Recognized net actuarial loss		1.5		0.1		0.7		2.3
	$	—	$	0.2	$	2.0	$	2.2

	For the Year Ended May 31, 2020
	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Service cost	$	0.6	$	—	$	2.2	$	2.8
Interest cost		2.6		0.1		1.1		3.8
Expected return on plan assets		(4.9)		—		(1.9)		(6.8)
Settlements		1.5		—		—		1.5
Recognized net actuarial loss		1.2		0.1		0.7		2.0
	$	1.0	$	0.2	$	2.1	$	3.3

The non-service cost components above are classified in Other income (expense), net on the Statements of Income.

Assumptions

The assumptions used in accounting for our plans are estimates of factors including, among other things, the amount and timing of future benefit payments. The following table presents the weighted-average discount rate assumptions used in the measurement of our projected benefit obligations:

	May 31,
	2022		2021
U.S. plans	2.96	%	2.87	%
Netherlands plan	2.80		1.20

59

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

A summary of the weighted-average assumptions used to determine net periodic pension expense is as follows:

	For the Year Ended
	May 31,
	2022		2021		2020
Discount rate:
U.S. plans	2.87	%	2.83	%	3.67	%
Netherlands plan	1.20		1.20		1.50
Expected long-term rate on plan assets:
U.S. plans	7.25	%	7.25	%	7.25	%
Netherlands plan	3.30		2.50		2.90

The discount rate was determined by discounting the expected future benefit payments and settlements for the projected benefit obligation, discounting those expected payments using a theoretical zero-coupon spot yield curve derived from a universe of high-quality bonds as of the measurement date, and solving for the single equivalent discount rate that resulted in the same projected benefit obligation.

Plan Assets

The assets of U.S pension plans are invested in compliance with the Employee Retirement Income Security Act of 1974.  Prior to the decision to terminate the Merged U.S. Plan, the investment goals were to provide a total return that, over the long term, optimizes the long-term return on plan assets at an acceptable risk, and to maintain a broad diversification across asset classes and among investment managers.  The assets of the U.S. pension plans were invested primarily in equity and fixed income mutual funds, individual common stocks, and fund-of-funds hedge funds.

In conjunction with the decision to terminate the Merged U.S. Plan, our investment policy was amended and the asset allocations was significantly changed and invested primarily in cash and fixed income investments to hedge changes in interest rates and maintain the positive funded status of the Merged U.S. Plan while we complete the necessary steps to terminate the Merged U.S. Plan.

To develop our expected long-term rate of return assumption on Merged U.S. Plan, we use long-term historical return information for our targeted asset mix and current market conditions as of the measurement date.  The expected return for each asset class is weighted based on the target asset allocation to develop the expected long-term rate of return on plan assets assumption.  

The assets of the Netherlands Plan are invested in funds-of-funds where each fund holds a portfolio of equity and fixed income mutual funds.

The following table sets forth by level, within the fair value hierarchy, pension plan assets at their fair value as of May 31, 2022:

	Level 1(1)		Level 2(2)		Level 3(3)		Total
Fixed income:
Government securities and corporate bond mutual funds	$	—	$	49.6	$	—	$	49.6
Funds-of-funds		—		45.9		—		45.9
Insurance annuities		—		—		11.3		11.3
Cash and cash equivalents		14.6		—		—		14.6
	$	14.6	$	95.5	$	11.3		121.4
Other investments measured at net asset value (4)								4.8
Total pension plan assets							$	126.2

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

The following table sets forth by level, within the fair value hierarchy, pension plan assets at their fair value as of May 31, 2021:

	Level 1(1)		Level 2(2)		Level 3(3)		Total
Equity securities:
U.S. mutual funds	$	40.3	$	—	$	—	$	40.3
International mutual funds		11.1		—		—		11.1
Fixed income:
Government securities and corporate bond mutual funds		—		13.3		—		13.3
Funds-of-funds		—		61.3		—		61.3
Insurance annuities		—				15.6		15.6
Cash and cash equivalents		0.7		—		—		0.7
	$	52.1	$	74.6	$	15.6		142.3
Other investments measured at net asset value (4)								16.1
Total pension plan assets							$	158.4

(1) Quoted prices in active markets for identical assets that we have the ability to access as of the reporting date.

(2) Inputs other than quoted prices included within Level 1 that are directly observable for the asset or indirectly observable through corroboration with observable market data.

(3) Unobservable inputs, such as internally developed pricing models or third party valuations for the asset due to little or no market activity for the asset.

(4) Other investments measured at net asset value included alternative investments, such as hedge funds, which are valued using the net asset value as a practical expedient.

The following table presents the reconciliation of Level 3 pension assets and other investments measured at net asset value for the fiscal years ended May 31, 2022 and 2021:

	Hedge		Fund-of-		Insurance
	Funds		funds		Annuities		Total
Balance as of May 31, 2020	$	4.3	$	8.5	$	11.7	$	24.5
Purchases		—		—		3.9		3.9
Return on plan assets related to assets still held at May 31, 2021		0.8		2.5		—		3.3
Balance as of May 31, 2021		5.1		11.0		15.6		31.7
Sales		—		(11.0)		(4.3)		(15.3)
Return on plan assets related to assets still held at May 31, 2022		(0.3)		—		—		(0.3)
Balance as of May 31, 2022	$	4.8	$	—	$	11.3	$	16.1

Valuation Techniques Used to Determine Fair Value

Cash equivalents are investments with maturities of three months or less when purchased. The fair values are based on observable market prices and categorized as Level 1.

With respect to individually held equity securities, including investments in U.S. and international securities, the trustees obtain prices from pricing services, whose prices are obtained from direct feeds from market exchanges, which we are able to independently corroborate. Equity securities held individually are primarily traded on exchanges that contain only actively traded securities, due to the volume trading requirements imposed by these exchanges. Equity securities are valued based on quoted prices in active markets and categorized as Level 1.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Equity and fixed income mutual funds are maintained by investment companies that hold certain investments in accordance with a stated set of fund objectives, which are consistent with our overall investment strategy. The values of some of these funds are publicly quoted. For equity and fixed income mutual funds which are publicly quoted, the funds are valued based on quoted prices in active markets and have been categorized as Level 1. As certain of our funds-of-funds investments are also derived from quoted prices in active markets, we have categorized certain funds-of-funds investments as Level 2.

Insurance annuities require the utilization of unobservable inputs, including undiscounted cash flow techniques which results in Level 3 treatment in the fair value hierarchy.

Hedge fund investments include those seeking to maximize absolute returns using a broad range of strategies to enhance returns and provide additional diversification. The fair value of hedge funds is determined using net asset value or its equivalent subject to certain restrictions, such as a lock-up period and a redemption notice period.

Future Benefit Payments and Funding

The following table summarizes our estimated future pension payments by fiscal year:

	Fiscal Year
											2028 to
	2023		2024		2025		2026		2027		2032
Estimated future pension payments	$	6.5	$	59.8	$	2.5	$	2.6	$	2.8	$	12.8

The estimated payments in fiscal 2024 reflect the projected timing of the planned termination of the Merged U.S. Plan and transfer of its assets and obligations to a third party.

Our contribution policy for the domestic plans is to contribute annually, at a minimum, an amount which is deductible for federal income tax purposes and that is sufficient to meet actuarially computed pension benefits. For our Netherlands Plan, our policy is to fund at least the minimum amount required by the local laws and regulations. We anticipate contributing approximately $0.3 million to our pension plans during fiscal 2023.

Defined Contribution Plans

Our U.S. defined contribution plans are intended to qualify as a 401(k) plans under the Internal Revenue Code.  Employees may contribute up to 75% of their pretax compensation, subject to applicable regulatory limits and we may make discretionary matching contributions up to 5% of employee compensation.  We modified the contribution structure in fiscal 2020 to eliminate the profit-sharing contribution for future years.  Our contributions vest on a pro-rata basis during the first three years of employment.  We also maintain a non-qualified retirement plan that makes up 401(k) benefits that would otherwise be lost as a result of Internal Revenue Code limits and provides additional employer contributions for certain executives and key employees to supplement the benefits provided by the defined contribution plans.  

In response to the impact from COVID-19, we temporarily suspended our matching contributions to the defined contribution plans effective June 1, 2020. Contributions were reinstated effective December 1, 2020. Expense charged to the Consolidated Statements of Income for our matching contributions, including profit-sharing contributions, was $7.3 million in fiscal 2022, $4.0 million in fiscal 2021 and $11.6 million in fiscal 2020 for these plans.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

9.  Accumulated Other Comprehensive Loss

Changes in our accumulated other comprehensive loss (“AOCL”) by component for each of the years in the three-year period ended May 31, 2022 were as follows (all amounts are net of tax):

	Currency
	Translation
	Adjustments		Pension Plans		Total
Balance as of June 1, 2019	$	(2.1)	$	(38.8)	$	(40.9)
Other comprehensive loss before reclassifications		0.1		(5.0)		(4.9)
Amounts reclassified from AOCL		—		1.2		1.2
Total other comprehensive loss		0.1		(3.8)		(3.7)
Balance as of May 31, 2020		(2.0)		(42.6)		(44.6)
Other comprehensive income (loss) before reclassifications		5.9		4.4		10.3
Amounts reclassified from AOCL		—		16.0		16.0
Total other comprehensive income (loss)		5.9		20.4		26.3
Balance as of May 31, 2021		3.9		(22.2)		(18.3)
Other comprehensive income before reclassifications		(6.7)		4.6		(2.1)
Amounts reclassified from AOCL		—		0.8		0.8
Total other comprehensive loss		(6.7)		5.4		(1.3)
Balance as of May 31, 2022	$	(2.8)	$	(16.8)	$	(19.6)

10. Other Non-current Assets

At May 31, 2022 and 2021, other non-current assets consisted of the following:

	May 31,
	2022		2021
Contract assets	$	22.5	$	21.6
License fees		22.2		25.0
Investments in joint ventures		20.0		18.3
Assets under deferred compensation plan		12.4		12.6
Pension assets		9.8		10.4
Other		10.9		10.9
	$	97.8	$	98.8

Investments in Aircraft Joint Ventures

Under the terms of servicing agreements with certain of our aircraft joint ventures, we provide administrative services and technical advisory services, including aircraft evaluations, oversight and logistical support of the maintenance process and records management.  We also provide evaluation and inspection services prior to the purchase of an aircraft and remarketing services with respect to the divestiture of aircraft by the joint ventures.  During fiscal 2022, 2021, and 2020, we were paid $1.1 million, $1.0 million, and $1.6 million, respectively, for such services.

In the fourth quarter of fiscal 2022, we acquired an aircraft and two engines from one of our aircraft joint ventures for $16.8 million, net of $0.2 million in remarketing fees earned on the purchase, and then sold the assets for $17.0 million.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Investment in Indian Joint Venture

Our investments in joint ventures include $11.7 million for our 40% ownership interest in a joint venture in India to develop and operate an airframe maintenance facility.  The facility received certain regulatory approvals and commenced airframe maintenance operations in the second quarter of fiscal 2022.

The investment balance as of May 31, 2022 includes $9.0 million related to the guarantee liability recognized in conjunction with our guarantee of 40% of the Indian joint venture’s debt.  The Indian joint venture is accounted for using the equity method.  In addition, each of the partners in the Indian joint venture has a loan to the joint venture proportionate to its equity ownership.  Our loan to the Indian joint venture under this arrangement was $3.2 million as of May 31, 2022.

We account for our share of the earnings or losses of the Indian joint venture with a reporting lag of two months, as the financial statements of the Indian joint venture are not completed on a basis that is sufficient for us to apply the equity method on a current basis.

Our share of the Indian joint venture’s losses for fiscal 2022, 2021, and 2020 were $1.8 million, $0 million, and $0.1 million, respectively.

Investment in Malaysian Joint Venture

In the fourth quarter of fiscal 2020, we made the decision to exit our joint venture which operates a landing gear wheel and brake repair and overhaul facility in Malaysia.  In conjunction with the decision to exit the joint venture, we recognized an impairment charge of $1.9 million reflecting the anticipated net proceeds from our investment. During fiscal 2022, we decided to pursue a shutdown of the joint venture and recognized additional impairment charges and related shutdown costs of $0.7 million.

License Fees

In June 2011, we entered into a ten-year agreement with Unison Industries (“Unison”) to be the exclusive worldwide aftermarket distributor for Unison’s electrical components, sensors, switches and other systems for aircraft and industrial uses.  In June 2020, we entered into an extension and expansion of our agreement with Unison including a new termination date of December 31, 2031, an initial $25.0 million license fee paid in June 2020 to Unison, and annual license fees at a fixed percentage of our net sales of Unison products.  The June 2020 payment of $25.0 million was capitalized and is being amortized on a straight-line basis over the term of the new agreement. As of May 31, 2022, the unamortized balance of the license is $21.3 million.

Split-Dollar Life Insurance Arrangements

We previously entered into split-dollar life insurance agreements to benefit certain former executives and officers.  Under the terms of the arrangements, we made premium payments on the individuals’ behalf and we retained a collateral interest in the policies generally to the extent of the premiums we previously paid.  As of May 31, 2022, our Consolidated Balance Sheet included $5.5 million in Other non-current assets for cumulative premiums paid and expected to be reimbursed upon termination of the policies.

During the second quarter of fiscal 2021, certain split-dollar life insurance agreements were terminated and we received $12.0 million for reimbursement of both the life insurance premiums we previously paid and a portion of our prior tax payments made on the individuals’ behalf related to their imputed income on the policies.  The reimbursement of the premiums paid of $10.0 million has been classified as cash flow from investing activities with the remainder included in cash flow from operating activities as it represents the reimbursement of a portion of the income taxes previously paid and expensed.  In the second quarter of fiscal 2021, we recognized a benefit of $1.3 million in Selling, general and administrative expenses on the Consolidated Statement of Income for the net recovery of the taxes previously paid on behalf of the individuals.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

11. Leases

We lease facilities, offices, vehicles, and equipment.  We determine at inception whether an arrangement that provides us control over the use of an asset is a lease.  ROU assets and lease liabilities are recognized on the Consolidated Balance Sheet at lease commencement date based on the present value of the future minimum lease payments over the lease term.  Our lease agreements do not provide a readily determinable implicit rate nor is it available to us from our lessors.  We estimate our incremental borrowing rate based on information available at lease commencement in order to discount lease payments to present value.

Our lease costs are allocated over the remaining lease term on a straight-line basis unless another systematic or rational basis is more representative of the pattern in which the underlying asset is expected to be used. Variable lease costs are expensed in the period in which the obligation for those payments are incurred. ROU assets are evaluated for impairment in a manner consistent with the treatment of other long-lived assets.

Certain leases include options to renew or extend the terms of the lease, which are included in the determination of the ROU assets and lease liabilities when it is reasonably certain that the option will be exercised. Our leases may also include variable lease payments such as escalation clauses based on consumer price index rates, maintenance costs and utilities. Variable lease payments that depend on an index or a rate are included in the determination of ROU assets and lease liabilities using the index or rate at the lease commencement date, whereas variable lease payments that do not depend on an index or rate are recorded as lease expense in the period incurred.  Our lease agreements do not contain any significant residual value guarantees or restrictive covenants.

The summary of our operating lease cost is as follows:

	For the Year Ended May 31,
	2022		2021		2020
Operating lease cost	$	20.8	$	16.4	$	18.4
Short-term lease cost		2.2		1.7		5.3
Variable lease cost		9.2		3.5		7.4
	$	32.2	$	21.6	$	31.1

With the exception of a land lease for one of our airframe maintenance facilities that expires in 2108, our operating leases expire at various dates through 2034.  Maturities of our operating lease payments as of May 31, 2022 are as follows:

2023	$	13.6
2024		12.4
2025		11.0
2026		9.2
2027		8.5
Thereafter		25.5
Total undiscounted payments		80.2
Less: Imputed interest		(11.7)
Present value of minimum lease payments		68.5
Less: Operating lease liabilities – current		(11.1)
Operating lease liabilities – non-current	$	57.4

The current portion of operating lease liabilities are presented within Accrued liabilities on our Consolidated Balance Sheets.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Excluding leases related to our discontinued operations, our weighted-average remaining lease term and weighted-average discount rate are as follows:

	May 31,
	2022	2021
Remaining lease term	7.6 years	8.5 years
Discount rate	3.7%	3.8%

Supplemental cash flow information related to leases was as follows:

	For the Year Ended May 31,
	2022		2021		2020
Cash paid for amounts included in the measurement of lease liabilities	$	14.1	$	15.3	$	16.5
Operating lease liabilities arising from obtaining ROU assets		9.5		5.2		13.0

12. Commitments

We enter into purchase obligations, which arise in the ordinary course of business and represent a binding commitment to acquire inventory, including raw materials, parts and components, as well as equipment to support the operations of our business. The aggregate amount of purchase obligations due in each of the next five fiscal years is $406.6 million in 2023, $79.3 million in 2024, $17.7 million in 2025, $0.9 in 2026 and $0.7 million in 2027.

We routinely issue letters of credit and performance bonds in the ordinary course of our business. These instruments are typically issued in conjunction with insurance contracts or other business requirements. The total of these instruments outstanding at May 31, 2022 was approximately $23.0 million which includes $12.9 million related to a guarantee of 40% of the outstanding debt of our Indian joint venture. We have recognized a current liability of $9.0 million based on the fair value of our guarantee obligation.

13. Government Subsidies

On March 27, 2020, the Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) was enacted in the U.S. in response to the COVID-19 pandemic.  The CARES Act includes provisions relating to refundable payroll tax credits, deferral of the employer portion of certain payroll taxes, net operating loss carrybacks, and other areas. The payroll tax deferral requires that the deferred payroll taxes be paid over two years, with the first half, or $6.2 million, paid in December 2021 and the other half to be paid by December 31, 2022. As of May 31, 2022, we have deferred payroll taxes of $6.2 million which are included in Accrued Liabilities on our Consolidated Balance Sheet.

During the three-month period ended August 31, 2020, we received $57.2 million from the U.S. Treasury Department through the Payroll Support Program under the CARES Act.  This funding included a $48.5 million cash grant which was to be used exclusively for the continuation of payment of employee wages, salaries and benefits for employees of certain MRO facilities.  The grant was recognized as contra-expense on our Consolidated Statement of Income as the eligible wages, salaries and benefits were incurred.  In fiscal 2021, we recognized the full amount of the grant as contra-expense within Cost of sales and Selling, general and administrative expenses of $47.5 million and $1.0 million, respectively.

The remaining funding of $8.7 million was a low interest 10-year senior unsecured promissory note (“Promissory Note”) which included interest at a rate per annum equal to the sum of (i) 1.0% for the first five years, and the applicable secured overnight financing rate plus 2.0% in years six through ten plus (ii) in kind interest of 3.0% for the first five years and increasing by 1.0% each year over the remaining term.  The Promissory Note was pre-payable at par at any time and we re-paid the Promissory Note in full during the fourth quarter of fiscal 2021. The restrictions previously applicable to us relating to dividends, stock repurchases, employee compensation, and certain workforce actions have lapsed.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Other countries have enacted legislation similar to the CARES Act to provide relief and stimulus measures to assist companies in mitigating the financial impact from COVID-19 and supporting their employees. In fiscal 2022 and 2021, our foreign subsidiaries recognized subsidies of $4.9 million and $7.9 million, respectively, from foreign governments which have been deducted from the related expenses on our Consolidated Statements of Income.

14.  Sale of Composites Business

On August 31, 2020, we completed the sale of our aerostructures and aerospace products operations located in Clearwater, Florida and Sacramento, California (“Composites”). The Composites business was formerly included in our Expeditionary Services segment.

We recognized a loss on the sale of the Composites business of $19.5 million in the first quarter of fiscal 2021. In the fourth quarter of fiscal 2021, the post-closing working capital adjustment was finalized resulting in an additional loss of $0.7 million. The sale also included contingent consideration of up to $6.5 million based on the achievement of sales targets over a three-year period subsequent to the sale. We recognized a charge of $1.3 million in the three-month period ended November 30, 2021 to reflect the fair value of the contingent consideration at zero as it is unlikely the sales targets will be achieved.

In conjunction with the August 2020 sale, we retained a performance guarantee to a customer of the Composites business under an existing contract providing flap track fairings on the A220 aircraft (“A220 Contract”).  The term of the A220 Contract and our performance guarantee extend for the duration that A220 aircraft are in service and the customer continues to maintain support for the A220 aircraft.  The performance guarantee does not contain a financial cap.

In March 2022, the buyer of the Composites business filed for bankruptcy and moved to have the bankruptcy court reject the A220 Contract.  The buyer’s customer also notified us that they believe the buyer has failed to timely deliver products in accordance with the terms of the A220 Contract and that they have incurred losses, and will incur additional losses, related to the non-compliance that are covered by our performance guarantee.  The losses claimed include delay damages, incremental labor costs, legal expenses, and other related costs.

While we believe that we have numerous defenses available against this claim that we will vigorously pursue, it is reasonably possible that we will incur a loss from the performance guarantee.  Due to the preliminary nature of the claim we are unable, however, to estimate a range of loss on the performance guarantee.  There can be no assurance that the performance guarantee will not have a material adverse effect on our operations, financial position and cash flows.

15. Business Segment Information

Segment Reporting

Consistent with how our chief operating decision making officer (Chief Executive Officer) evaluates performance and the way we are organized internally, we report our activities in two segments:  Aviation Services comprised of supply chain and MRO activities and Expeditionary Services comprised of manufacturing activities.

The Aviation Services segment consists of aftermarket support and services offerings that provide spare parts and maintenance support for aircraft operated by our commercial and government/defense customers.  Sales in the Aviation Services segment are derived from the sale and lease of a wide variety of new, overhauled and repaired engine and airframe parts and components to the commercial aviation and government and defense markets.  We provide customized inventory supply chain management, performance-based logistics programs, customer fleet management and operations, and aircraft component repair management services.  The segment also includes repair, maintenance and overhaul of aircraft, landing gear and components.  Cost of sales consists principally of the cost of product, direct labor, and overhead.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

The Expeditionary Services segment consists of primarily manufacturing operations with sales derived from the design and manufacture of pallets, shelters, and containers used to support the U.S. military’s requirements for a mobile and agile force including engineering, design, and system integration services for specialized command and control systems.  Cost of sales consists principally of the cost of material to manufacture products, direct labor and overhead.

The accounting policies for the segments are the same as those described in Note 1.  Our chief operating decision making officer (Chief Executive Officer) evaluates performance based on the reportable segments and utilizes gross profit as a primary profitability measure.  Gross profit is calculated by subtracting cost of sales from sales.  The assets and certain expenses related to corporate activities are not allocated to the segments.  Our reportable segments are aligned principally around differences in products and services.

Selected financial information for each segment is as follows:

	For the Year Ended May 31,
	2022		2021		2020
Net sales:
Aviation Services	$	1,745.8	$	1,553.7	$	1,964.2
Expeditionary Services		74.2		98.6		107.8
	$	1,820.0	$	1,652.3	$	2,072.0

	For the Year Ended May 31,
	2022		2021		2020
Gross profit:
Aviation Services	$	297.5	$	263.2	$	267.3
Expeditionary Services		15.7		12.7		1.9
	$	313.2	$	275.9	$	269.2

	May 31,
	2022		2021
Total assets:
Aviation Services	$	1,367.3	$	1,357.2
Expeditionary Services		74.8		73.0
Corporate and discontinued operations		131.8		109.5
	$	1,573.9	$	1,539.7

	For the Year Ended May 31,
	2022		2021		2020
Capital expenditures:
Aviation Services	$	16.2	$	8.1	$	16.9
Expeditionary Services		1.0		3.1		5.4
Corporate		0.1		0.1		1.3
	$	17.3	$	11.3	$	23.6

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

	For the Year Ended May 31,
	2022		2021		2020
Depreciation and amortization:1
Aviation Services	$	31.2	$	33.7	$	39.2
Expeditionary Services		1.6		2.3		3.7
Corporate		8.5		9.5		8.1
	$	41.3	$	45.5	$	51.0

1 Includes amortization of stock-based compensation.

Reconciliations of our segment gross profit to income from continuing operations before provision for income taxes is as follows:

	For the Year Ended May 31,
	2022		2021		2020
Segment gross profit	$	313.2	$	275.9	$	269.2
Provision for credit losses		(1.2)		(8.5)		(5.4)
Selling, general and administrative		(202.2)		(182.4)		(220.6)
Earnings (Loss) from joint ventures		(2.9)		0.2		(1.9)
Losses related to sale and exit of business		(1.7)		(20.2)		—
Other income (expenses), net		2.2		4.3		(2.1)
Interest expense		(2.4)		(5.0)		(9.3)
Interest income		0.1		0.2		0.5
Income from continuing operations before provision for income taxes	$	105.1	$	64.5	$	30.4

The U.S. Department of Defense, U.S. Department of State, other U.S. government agencies and their contractors are our only customers representing 10% or more of total sales in any of the last three fiscal years.  Sales by segment for these customers are as follows:

	For the Year Ended May 31,
	2022			2021			2020
Aviation Services	$	557.4		$	657.0		$	588.7
Expeditionary Services		62.6			81.8			79.5
	$	620.0		$	738.8		$	668.2
Percentage of total sales		34.1	%		44.7	%		32.2	%

Sales across the major customer markets for each of our operating segments were as follows:

	For the Year Ended May 31,
	2022		2021		2020
Aviation Services:
Commercial	$	1,081.6	$	793.9	$	1,268.9
Government and defense		664.2		759.8		695.3
	$	1,745.8	$	1,553.7	$	1,964.2
Expeditionary Services:
Commercial	$	2.2	$	12.5	$	24.3
Government and defense		72.0		86.1		83.5
	$	74.2	$	98.6	$	107.8

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Sales by type of product/service was as follows:

	For the Year Ended May 31,
	2022		2021		2020
Aviation supply chain	$	1,275.1	$	1,172.7	$	1,434.3
Maintenance, repair and overhaul services		470.7		381.0		529.9
Mobility products		74.2		98.6		107.8
	$	1,820.0	$	1,652.3	$	2,072.0

Geographic Data

Sales by geographic region for the fiscal years ended May 31, 2022, 2021 and 2020 were as follows:

	For the Year Ended May 31,
	2022		2021		2020
Aviation Services:
North America	$	1,346.2	$	1,255.7	$	1,505.6
Europe/Africa		223.7		207.5		330.8
Other		175.9		90.5		127.8
	$	1,745.8	$	1,553.7	$	1,964.2
Expeditionary Services:
North America	$	74.0	$	95.9	$	98.4
Europe/Africa		0.2		2.6		9.0
Other		—		0.1		0.4
	$	74.2	$	98.6	$	107.8

	May 31,
	2022		2021
Long-lived assets:
United States	$	400.4	$	419.1
Europe		74.3		83.1
Other		92.0		100.5
	$	566.7	$	602.7

Sales to unaffiliated customers in foreign countries (including sales through foreign sales offices of domestic subsidiaries) were approximately $484.5 million (26.6% of sales), $370.5 million (22.4% of sales) and $591.8 million (28.6% of sales) in fiscal 2022, 2021 and 2020, respectively.

16.  Legal Proceedings and Other Matters

We are involved in various claims and legal actions, including environmental matters, arising in the ordinary course of business. We are not a party to any material pending legal proceeding (including any governmental or environmental proceeding) other than routine litigation incidental to our business except for the following:

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in millions, except per share amounts)

Department of Justice Investigation

As previously reported, the U.S. Department of Justice (“DoJ”), acting through the U.S. Attorney’s Office for the Southern District of Illinois, conducted an investigation of AAR Airlift Group, Inc. (“Airlift”), a wholly-owned subsidiary of AAR CORP., under the federal civil False Claims Act (“FCA”). The investigation related to Airlift’s performance of several contracts awarded by the U.S. Transportation Command (“TRANSCOM”) concerning the operations and maintenance of rotary-wing and fixed-wing aircraft in Afghanistan and Africa, as well as several U.S. Navy contracts. In June 2018, the DoJ informed Airlift that part of the investigation was precipitated by a lawsuit filed under the qui tam provisions of the FCA by a former employee of Airlift.

In June 2021, Airlift and the DoJ reached an agreement to settle the FCA investigation and related matters for approximately $11.5 million which concluded the DoJ investigation into Airlift’s contracts with TRANSCOM and the U.S. Navy.  As part of the settlement, Airlift and AAR did not admit any wrongdoing.

We recognized charges of $11.0 million in discontinued operations in fiscal 2021 related to this agreement and related matters with payment for the entire matter made in the first quarter of fiscal 2022.

Self-Reporting of Potential Foreign Corrupt Practices Act Violations

The Company retained outside counsel to investigate possible violations of the Company’s Code of Conduct, the U.S. Foreign Corrupt Practices Act, and other applicable laws, relating to the Company’s activities in Nepal and South Africa.  Based on these investigations, in fiscal 2019, we self-reported these matters to the DoJ, the U.S. Securities and Exchange Commission and the UK Serious Fraud Office.  The Company is fully cooperating with the reviews by these agencies, although we are unable at this time to predict what action, if any, they may take.

Russian Bankruptcy Litigation

During calendar years 2016 and 2017, certain of the Company’s subsidiaries purchased four engines from VIM-AVIA Airlines, LLC (“VIM-AVIA”), a company organized in Russia.  Subsequent to the purchase of the engines, VIM-AVIA declared bankruptcy in Russian courts, and shortly thereafter the receiver of the VIM-AVIA bankruptcy estate and one of the major creditors of VIM-AVIA filed a claw-back action against our subsidiaries alleging that the contracts entered into with VIM-AVIA in the 2016-2017 timeframe are invalid.  The clawback action alleges that our subsidiaries owe the VIM-AVIA bankruptcy estate approximately $13 million, the alleged fair market value of the four engines at the time of sale.    

The Company strongly disputes all claims asserted in the clawback action, believes it has meritorious defenses, and is vigorously defending itself in the Russian court system.  However, with the developments in the Russia/Ukraine conflict, the U.S. and its North Atlantic Treaty Organization allies imposed a range of sanctions and export controls in late February on Russian entities and individuals.  These sanctions and export controls have resulted in heightened tensions between the United States and Russia and a hostile business and legal environment for foreign companies in Russia.  As a result, we now believe that a loss related to this matter is reasonably possible, rather than remote, although we are not able to estimate of the range of possible losses at this time.

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ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

Not Applicable.

ITEM 9A. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

We conducted an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Act”), as of May 31, 2022.  This evaluation was carried out under the supervision and with the participation of our Chief Executive Officer and Chief Financial Officer.  There are inherent limitations to the effectiveness of any system of disclosure controls and procedures.  Therefore, effective disclosure controls and procedures can only provide reasonable assurance of achieving their control objectives.

Based upon our evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures are effective as of May 31, 2022, ensuring that information required to be disclosed in the reports that are filed under the Act is recorded, processed, summarized and reported in a timely manner.

Management Report on Internal Control Over Financial Reporting

Management of AAR CORP. is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Rules 13a-15(f) and 15d-15(f) of the Act.  The Company’s internal control over financial reporting is a process designed by, or under the supervision of, our Chief Executive Officer and Chief Financial Officer to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements in accordance with U.S. GAAP and includes those policies and procedures that (1) pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and dispositions of assets of the Company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with U.S. GAAP, and that receipts and expenditures of the Company are being made only in accordance with authorizations of management and directors of the Company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of the Company’s assets that could have a material effect on the financial statements.  Internal control systems, no matter how well designed, have inherent limitations.  Therefore, even those systems which are determined to be effective provide only reasonable assurance with respect to financial statement preparation and presentation.  Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Management, under the supervision and with the participation of our Chief Executive Officer and Chief Financial Officer and oversight of the Board of Directors, assessed the effectiveness of our internal control over financial reporting as of May 31, 2022 based on the criteria for effective internal control over financial reporting described in Internal Control–Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

Based on our assessment, management concluded that the Company maintained effective internal control over financial reporting as of May 31, 2022.

KPMG LLP, our independent registered public accounting firm, has issued a report on the effectiveness of our internal control over financial reporting.  That report appears below.

Changes in Internal Control Over Financial Reporting

There were no changes in the Company’s internal control over financial reporting during the quarter ended May 31, 2022, that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

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Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors
AAR CORP.:

Opinion on Internal Control Over Financial Reporting

We have audited AAR CORP.’s and subsidiaries’ (the Company) internal control over financial reporting as of May 31, 2022, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of May 31, 2022, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of the Company as of May 31, 2022 and 2021, the related consolidated statements of income, comprehensive income (loss), changes in equity, and cash flows for each of the years in the three-year period ended May 31, 2022, and the related notes (collectively, the consolidated financial statements), and our report dated July 21, 2022 expressed an unqualified opinion on those consolidated financial statements.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

	/s/ KPMG LLP
Chicago, Illinois
July 21, 2022

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ITEM 9B.OTHER INFORMATION

Not applicable.

ITEM 9C.DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS

Not applicable.

PART III

ITEM 10.DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

The information required by this item regarding the Directors of the Company and nominees for election of the Board is incorporated by reference to the information contained under the caption “Information about Our Director Nominees and Our Continuing Directors” in our definitive proxy statement for the 2022 Annual Meeting of Stockholders.

The information required by this item regarding the Executive Officers of the Company appears under the caption “Supplemental Item:  Information about our Executive Officers” following Part I, Item 1 above.

The information required by this item regarding the compliance with Section 16(a) of the Securities Exchange Act of 1934 is incorporated by reference to the information contained under the caption “Delinquent Section 16(a) Reports” in our definitive proxy statement for the 2022 Annual Meeting of Stockholders.

The information required by this item regarding the identification of the Audit Committee as a separately-designated standing committee of the Board and the status of one or more members of the Audit Committee being an “audit committee financial expert” is incorporated by reference to the information contained under the caption “The Board’s Role and Responsibilities – Role and Responsibilities of the Board Committees” in our definitive proxy statement for the 2022 Annual Meeting of Stockholders.

The information required by this item regarding our Code of Conduct applicable to our directors, officers and employees is incorporated by reference to the information contained under the caption “Board Practices and Policies – Code of Conduct” in our definitive proxy statement for the 2022 Annual Meeting of Stockholders.

There have been no material changes to the procedures by which stockholders may recommend nominees to the Company’s board of directors.  The information regarding these procedures is incorporated by reference to the information contained under the caption “Director Nominations and Qualifications” in our definitive proxy statement for the 2022 Annual Meeting of Stockholders.

ITEM 11. EXECUTIVE COMPENSATION

The information required by this item is incorporated by reference to the information contained under the captions ‘‘Executive Compensation” and ‘‘Director Compensation” of our definitive proxy statement for the 2022 Annual Meeting of Stockholders.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

The information required by this item regarding security ownership of certain beneficial owners and management is incorporated by reference to the information contained under the caption “Stock Ownership Information” in our definitive proxy statement for the 2022 Annual Meeting of Stockholders.

The information required by this item regarding equity compensation plan information is incorporated by reference to the information contained under the caption “Equity Compensation Plan Information” in our definitive proxy statement for the 2022 Annual Meeting of Stockholders.

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ITEM 13.CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

The information required by this item is incorporated by reference to the information contained under the captions “Director Independence” and “Board Practices and Policies – Related Person Transaction Policy” in our definitive proxy statement for the 2022 Annual Meeting of Stockholders.

ITEM 14.PRINCIPAL ACCOUNTANT FEES AND SERVICES

The information required by this item is incorporated by reference to the information contained under the caption “Independent Registered Public Accounting Firm Fees and Services” in our definitive proxy statement for the 2022 Annual Meeting of Stockholders.

ITEM 15.EXHIBITS, FINANCIAL STATEMENT SCHEDULES

(a) (1) Financial Statements

Our consolidated financial statements are as set forth under Item 8 of this report on Form 10-K.

(a) (2) Financial Statement Schedules

All schedules are omitted because they are not applicable, not required, or the information is included in the consolidated financial statements.

(a) (3) Exhibits

Management contracts and compensatory arrangements have been marked with an asterisk (*) on the Exhibit Index which is contained below:

	Index		Exhibits
3.	Articles of Incorporation and By-Laws	3.1	Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2004)
		3.2	By-Laws,  as amended July 9, 2018 (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K dated July 13, 2018)
4.	Instruments defining the rights of security holders	4.1	Restated Certificate of Incorporation (see Exhibit 3.1).
		4.2	By-Laws, as amended July 9, 2018 (See Exhibit 3.2).
		4.3	Description of Capital Stock (filed herewith)
		4.4	Indenture providing for Issuance of Debt Securities between AAR CORP. as Issuer and U.S. Bank National Association, as Trustee dated as of December 1, 2010 (incorporated by reference to Exhibit 4.1 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended November 30, 2010)

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	Index		Exhibits
		4.5	Indenture providing for Issuance of Subordinated Debt Securities between AAR CORP. as Issuer and U.S. Bank National Association, as Trustee dated as of December 1, 2010 (incorporated by reference to Exhibit 4.2 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended November 30, 2010) Pursuant to Item 601(b)(4)(iii)(A) of Regulation S-K, the Registrant is not filing certain documents.  The Registrant agrees to furnish a copy of each such document upon the request of the Commission.
10.	Material Contracts	10.1*	AAR CORP. Directors’ Retirement Plan, dated April 14, 1992 (incorporated by reference to Exhibits to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 1992), amended May 26, 2000 (incorporated by reference to Exhibit 10.5 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2000) and April 10, 2001 (incorporated by reference to Exhibit 10.5 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2001)
		10.2*	AAR CORP. Supplemental Key Employee Retirement Plan, as Amended and Restated effective July 13, 2020 (incorporated by reference to Exhibit 10.3 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2020)
		10.3*	AAR CORP. Nonemployee Directors’ Deferred Compensation Plan, as Amended and Restated effective July 10, 2017 (incorporated by reference to Exhibit 10.4 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2019)
		10.4*	Form of Fiscal 2023 Director Restricted Stock Agreement (filed herewith)
		10.5*	Form of Split Dollar Insurance Agreement (incorporated by reference to Exhibit 10.24 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2006)
		10.6*	Form of Directors’ and Officers’ Indemnification Agreement (incorporated by reference to Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended August 31, 2008)
		10.7*	Form of Policy for Recoupment of Incentive Compensation (incorporated by reference to Exhibit 10.2 to the Registrant’s Quarterly Report on Form 10-Q for the quarterly period ended August 31, 2012)
		10.8*	AAR CORP. 2013 Stock Plan (as Amended and Restated Effective July 13, 2020) (incorporated by reference to Appendix C to the Registrant’s Proxy Statement dated August 28, 2020)
		10.9*	Form of Severance and Change in Control Agreement (incorporated by reference to Exhibit 10.15 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2020)

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Index		Exhibits
	10.10	Credit Agreement dated April 12, 2011 among AAR CORP., Bank of America National Association, as administrative agent, and the various financial institutions party thereto, as amended on September 25, 2019 (incorporated by reference to Exhibit 4.1 to the Registrant’s Current Report on Form 8-K dated September 27, 2019)
	10.11	Purchase Agreement dated February 23, 2018 by and among AAR CORP., as seller representative and servicer, the sellers time to time party thereto, and Citibank, N.A., as buyer (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K dated February 28, 2018)
	10.12	First Amendment to Purchase Agreement dated as of May 22, 2018 by and among AAR CORP., as seller representative and servicer, the sellers time to time party thereto, and Citibank, N.A., as buyer (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K dated May 25, 2018)
	10.13	Second Amendment to Purchase Agreement dated as of October 25, 2018 by and among AAR CORP., as seller representative and servicer, the sellers time to time party thereto, and Citibank, N.A., as buyer (incorporated by reference to Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q for the quarterly period ended November 30, 2020)
	10.14	Third Amendment to Purchase Agreement dated as of October 7, 2020 by and among AAR CORP., as seller representative and servicer, the sellers time to time party thereto, and Citibank, N.A., as buyer (incorporated by reference to Exhibit 10.2 to the Registrant’s Quarterly Report on Form 10-Q for the quarterly period ended November 30, 2020)
	10.15	Amendment dated December 23, 2021 to Purchase Agreement dated as of February 23, 2018 by and among AAR CORP., as seller representative and servicer, the sellers time to time party thereto, and Citibank, N.A., as buyer (incorporated by reference to Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q for the quarterly period ended February 28, 2022)
	10.16*	Post-Retirement Agreement dated May 24, 2018 between AAR CORP. and David P. Storch (incorporated by reference to Exhibit 10.3 to the Registrant’s Current Report on Form 8-K dated May 25, 2018), as amended May 31, 2019 (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K dated June 4, 2019), as amended July 11, 2019 (incorporated by reference to Exhibit 10.24 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2019), and as amended July 13, 2021 (incorporated by reference to Exhibit 10.20 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2021))
	10.17*	Amended and Restated Employment Agreement dated as of May 24, 2018 between AAR CORP. and John M. Holmes (incorporated by reference to Exhibit 10.4 to the Registrant’s Current Report on Form 8-K dated May 25, 2018)

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	Index		Exhibits
		10.18*	First Amendment to the Amended and Restated Employment Agreement dated as of July 30, 2020 between AAR CORP. and John M. Holmes (incorporated by reference to Exhibit 10.4 to the Registrant’s Quarterly Report on Form 10-Q for the quarterly period ended August 31, 2020)
		10.19*	Form of AAR CORP. Fiscal 2022 Short-Term Incentive Plan (incorporated by reference to Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q for the quarterly period ended August 31, 2021)
		10.20*	Form of AAR CORP. Fiscal 2022 Non-Qualified Stock Option Agreement (incorporated by reference to Exhibit 10.2 to the Registrant’s Quarterly Report on Form 10-Q for the quarterly period ended August 31, 2021)
		10.21*	Form of AAR CORP. Fiscal 2022 Restricted Stock Agreement (incorporated by reference to Exhibit 10.3 to the Registrant’s Quarterly Report on Form 10-Q for the quarterly period ended August 31, 2021)
		10.22*	Form of AAR CORP. Fiscal 2022 Performance Restricted Stock Agreement (incorporated by reference to Exhibit 10.4 to the Registrant’s Quarterly Report on Form 10-Q for the quarterly period ended August 31, 2021)
		10.23*	Form of Fiscal 2022 Director Restricted Stock Agreement (incorporated by reference to Exhibit 10.6 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2021)
		10.24	Payroll Support Agreement dated July 30, 2020 by and between AAR Aircraft Services, Inc., Aviation Maintenance Staffing, Inc., AAR Landing Gear LLC, and the United States Treasury (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K dated July 31, 2020)
		10.25*	Deferred Cash Award Agreement dated July 13, 2021 between AAR CORP. and John M. Holmes (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K dated July 16, 2021)
		10.26*	Form of AAR CORP. Fiscal 2022 Special Non-Qualified Stock Option Agreement (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K dated March 25, 2022)
		10.27*	Form of AAR CORP. Fiscal 2022 Special Restricted Stock Agreement (incorporated by reference to Exhibit 10.2 to the Registrant’s Current Report on Form 8-K dated March 25, 2022)
21.	Subsidiaries of the	21.1	Subsidiaries of AAR CORP. (filed herewith)
	Registrant
23.	Consents of experts and counsel	23.1	Consent of Independent Registered Public Accounting Firm (filed herewith)
31.		31.1	Section 302 Certification dated July 21, 2022 of John M. Holmes, President and Chief Executive Officer of Registrant (filed herewith)
		31.2	Section 302 Certification dated July 21, 2022 of Sean M. Gillen, Vice President and Chief Financial Officer of Registrant (filed herewith)

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	Index		Exhibits
32.		32.1	Section 906 Certification dated July 21, 2022 of John M. Holmes, President and Chief Executive Officer of Registrant (filed herewith)
		32.2	Section 906 Certification dated July 21, 2022 of Sean M. Gillen, Vice President and Chief Financial Officer of Registrant (filed herewith)
101.		101	The following materials from the Registrant’s Annual Report on Form 10-K for the fiscal year ended May 31, 2022, formatted in XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets at May 31, 2022 and 2021, (ii) Consolidated Statements of Income for the fiscal years ended May 31, 2022, 2021, and 2020, (iii) Consolidated Statements of Comprehensive Income for fiscal years ended May 31, 2022, 2021, and 2020, (iv) Consolidated Statements of Cash Flows for the fiscal years ended May 31, 2022, 2021, and 2020, (v) Consolidated Statement of Changes in Equity for the three years ended May 31, 2022 and (vi) Notes to Consolidated Financial Statements.**
104.	Cover Page Interactive Data File	104	Cover Page Interactive Data File (embedded within the Inline XBRL document and contained in Exhibit 101)

**   Pursuant to Rule 406T of Regulation S-T, the Interactive Data Files on Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.

ITEM 16.FORM 10-K SUMMARY

Not applicable.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this Annual Report on Form 10-K to be signed on its behalf by the undersigned, thereunto duly authorized.

	AAR CORP.
	(Registrant)
Date:  July 21, 2022	BY:	/s/ JOHN M. HOLMES
		John M. Holmes
		President and Chief Executive Officer

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Pursuant to the requirements of the Securities Exchange Act of 1934, this Annual Report on Form 10-K has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

Signature	Title	Date
/s/ JOHN M. HOLMES	President and Chief Executive Officer;
John M. Holmes	Director (Principal Executive Officer)
/s/ SEAN M. GILLEN	Vice President and Chief Financial Officer
Sean M. Gillen	(Principal Financial Officer)
/s/ ERIC S. PACHAPA	Vice President, Controller and Chief Accounting
Eric S. Pachapa	Officer (Principal Accounting Officer)
/s/ DAVID P. STORCH	Chairman of the Board; Director
David P. Storch
/s/ ANTHONY K. ANDERSON	Director
Anthony K. Anderson
/s/ MICHAEL R. BOYCE	Director
Michael R. Boyce
/s/ H. JOHN GILBERTSON, JR.	Director
H. John Gilbertson, Jr.
		July 21, 2022
/s/ JAMES E. GOODWIN	Director
James E. Goodwin
/s/ ROBERT F. LEDUC	Director
Robert F. Leduc
/s/ ELLEN M. LORD	Director
Ellen M. Lord
/s/ DUNCAN J. MCNABB	Director
Duncan J. McNabb
/s/ PETER PACE	Director
Peter Pace
/s/ JENNIFER L. VOGEL	Director
Jennifer L. Vogel
/s/ MARC J. WALFISH	Director
Marc J. Walfish

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EX-4.3

Exhibit 4.3

DESCRIPTION OF CAPITAL STOCK

Common Stock

The following is a description of certain terms of our common stock. This description does not purport to be complete and is subject to and qualified in its entirety by reference to the provisions of our restated certificate of incorporation, bylaws and the Delaware General Corporation Law.

Our authorized common stock consists of 100,000,000 shares of common stock, $1.00 par value per share.

Voting. Holders of common stock are entitled to one vote for each share held on all matters submitted to a vote of stockholders and do not have cumulative voting rights. Holders of a majority of the shares of common stock entitled to vote in any election of directors may elect all of the directors standing for election.

Dividend Rights. Holders of common stock are entitled to receive dividends when, as and if declared by our board of directors, in its discretion, out of funds legally available for the payment of dividends.

Liquidation Rights. Upon the liquidation, dissolution or winding up of our company, the holders of common stock are entitled to receive ratably the net assets of our company available after the payment of all debts and other liabilities.

Rights Subject to Preferred Stock. The rights, preferences and privileges of holders of common stock are subject to, and maybe adversely affected by, the rights of the holders of shares of any series of preferred stock that we may designate and issue in the future.

No Preeemptive Rights; Redemption. Holders of common stock have no preemptive, subscription, redemption or conversion rights.

Transfer Agent and Registrar. The transfer agent and registrar for our common stock is Computershare Trust Company, N.A., c/o Computershare Investor Services, P.O. Box 505000, Louisville, KY 40233-5000. Its telephone number is 1-877-282-1168.

Certain Charter and By-Law Provisions

General. We have implemented certain measures designed to enhance the board of directors’ ability to protect our stockholders against, among other things, unsolicited attempts to acquire a significant interest in us or to influence our management (whether through open market purchases, tender offers or otherwise) that do not offer an adequate price to all stockholders or that the board of directors otherwise considers not in the best interests of our company and its stockholders.

Certain provisions in our restated certificate of incorporation may have a significant impact on the stockholders’ ability to change the composition of the incumbent board of directors or the ability of a substantial holder of the common stock to acquire control of, or to

remove, the incumbent board of directors, and might discourage certain types of transactions that involve an actual or threatened change of control of us.

The provisions of our restated certificate of incorporation are intended to encourage persons seeking to acquire control of us to initiate such an acquisition through arm’s-length negotiations with our management and board of directors. These provisions could have the effect of discouraging a third party from making a tender offer to or otherwise attempting to obtain control of us, even though such an attempt might be beneficial to our stockholders. At the same time, these provisions help ensure that the board of directors, if confronted by an unsolicited proposal from a third party who recently acquired a block of common stock, will have sufficient time to review the proposal and alternatives to it and to seek better proposals for its stockholders, employees, suppliers, customers and others. These provisions are discussed below.

Preferred Stock. Our restated certificate of incorporation allows the board of directors, without stockholder approval, to issue up to 250,000 shares of preferred stock with voting, liquidation and conversion rights that could be superior to and adversely affect the voting power of holders of common stock. The issuance of preferred stock could have the effect of delaying, deferring or preventing a change in control of our company.

Classified Board of Directors. Our restated certificate of incorporation provides that our board of directors shall be divided into three classes of directors serving staggered three-year terms. The classification of directors has the effect of making it more difficult for stockholders to change the composition of the board of directors in a relatively short period of time.

Voting Restriction on Certain Business Combinations. An affirmative vote of the holders of a number of the outstanding shares of our capital stock entitled to vote generally in the election of directors equal to (i) all shares held by related parties plus (ii) at least 80% of shares held by other parties is required to adopt certain business combinations, including mergers, consolidations, asset and securities sales, plans of liquidation or dissolution and certain reclassifications, involving any related party. A related party is defined as the beneficial owner, directly or indirectly, of at least 10% of our voting stock.

The 80% affirmative voting requirement is not applicable to business combinations approved by (i) a majority of our board of directors prior to the related party’s acquisition of at least 10% of our voting stock or (ii) a majority of those members of the board of directors who are not related to the related party.

Special Stockholders’ Meeting. Our restated certificate of incorporation and bylaws allow only the Chairman of the board of directors or a majority of the board of directors then in office to call a special meeting of the stockholders.

No Action by Stockholder Consent. Our restated certificate of incorporation prohibits action that is required or permitted to be taken at any annual or special meeting of our stockholders from being taken by the written consent of stockholders without a meeting.

Supermajority Voting. The provisions relating to the classified board, right to call a special meeting and prohibition on stockholder consent, as well as certain other provisions of the restated certificate of incorporation, may be altered, amended, or repealed only by the affirmative

vote of the holders of 80% or more of the outstanding shares of voting stock. Our bylaws may be amended, altered, changed or replaced by the affirmative vote of the holders of at least 80% or more of the outstanding shares of voting stock entitled to vote in the election of directors or by a majority of board of directors then in office.

Delaware Anti-Takeover Law

We are a Delaware corporation that is subject to Section 203 of the General Corporation Law of the State of Delaware. Under Section 203, certain “business combinations” between a Delaware corporation, whose stock generally is publicly traded or held of record by more than 2,000 stockholders, and an “interested stockholder” are prohibited for a three-year period following the date that such stockholder became an interested stockholder, unless (i) the corporation has elected in its certificate of incorporation not to be governed by Section 203 (we have not made such election), (ii) the business combination was approved by the board of directors of the corporation before the other party to the business combination became an interested stockholder, (iii) upon consummation of the transaction that made it an interested stockholder, the interested stockholder owned at least 85% of the voting stock of the corporation outstanding at the commencement of the transaction (excluding voting stock owned by directors who are also officers or held in employee benefit plans in which the employees do not have a confidential right to tender or vote stock held by the plan) or (iv) the business combination is approved by the board of directors of the corporation and ratified by two-thirds of the voting stock not owned by the interested stockholder. The three-year prohibition also does not apply to certain business combinations proposed by an interested stockholder following the announcement or notification of certain extraordinary transactions involving the corporation and a person who had not been an interested stockholder during the previous three years or who became an interested stockholder with the approval of a majority of the corporation’s directors. The term “business combination” is defined generally to include mergers or consolidations between a Delaware corporation and an interested stockholder, transactions with an interested stockholder involving the assets or stock of the corporation or its majority-owned subsidiaries, and transactions that increase an interested stockholder’s percentage ownership of stock. The term “interested stockholder” is defined generally as those stockholders who become beneficial owners of 15% or more of a Delaware corporation’s voting stock, together with the affiliates or associates of that stockholder.

EX-10.4

Exhibit 10.4

Fiscal 2023 Form

AAR CORP.

Director Restricted Stock Agreement

(the “Agreement”)

Subject to the provisions of the AAR CORP. 2013 Stock Plan, as Amended and Restated Effective July 13, 2020 (the “Plan”), the terms of which are hereby incorporated by reference herein, and in consideration of the agreements of the Grantee herein provided, AAR CORP. a Delaware corporation (“Company”), hereby grants to Grantee a restricted stock award (“Award”), effective June 1, 2022 (“Date of Award”), of 2,574 shares of common stock (“Common Stock”) of the Company, $1.00 par value (“Award Shares”), subject to the forfeiture and nontransferability provisions hereof and the other terms and conditions set forth herein:

1.Acceptance By Grantee.  The Award is conditioned upon the acceptance by the Grantee of the terms and conditions of the Award as set forth in this Agreement. The Grantee must confirm acceptance of the Award and this Agreement on Morgan Stanley’s web site (www.stockplanconnect.com).  The Company will accept the Award on the Grantee’s behalf.  By acceptance of this Agreement, you irrevocably agree to be bound by the terms hereof.

2.Restrictions.  The Grantee represents that he is accepting the Award Shares without a view toward distribution of said Award Shares and that he will not sell, assign, transfer, pledge or otherwise encumber the Award Shares during the period commencing on the Date of Award and ending on the date the restrictions applicable to such Award Shares are released pursuant to paragraph 3 of this Agreement (“Restrictive Period”).

3.Release of Restrictions.  Subject to the provisions of paragraph 4 below, the restrictions described in paragraph 2 above shall be released with respect to the Award Shares on the first anniversary of the Date of Award, except as follows:

(a)In General.  If the Grantee’s membership on the Company’s Board of Directors terminates prior to the last day of the Restrictive Period for any reason other than Retirement, death or Disability, the Grantee shall forfeit to the Company all Award Shares not previously released from the restrictions of paragraph 2 hereof.

(b)Retirement.  If the Grantee’s membership on the Company’s Board of Directors terminates by reason of Retirement prior to the last day of the Restrictive Period, the Restrictive Period shall terminate in accordance with the restriction release schedule set forth above in the first clause of this paragraph 3 as to the Award Shares not previously released; provided, however, that if the Grantee dies after Retirement and prior to the last day of the Restrictive Period, the Grantee’s date of death will be treated as the date on which his membership on the Company’s Board of Directors has terminated, and the provisions of paragraph 3(c) shall apply in determining the release of restrictions as to the Award Shares not previously released. For purposes of this Agreement, “Retirement” means the Grantee’s voluntary termination of

1

AAR Director Restricted Stock Agreement

Fiscal 2023

membership on the Company’s Board of Directors at or after attaining age 65 with five or more consecutive years of service as a non-employee member of the Company’s Board of Directors.

(c)Death or Disability.  If the Grantee’s membership on the Company’s Board of Directors terminates by reason of death or Disability, the Restrictive Period shall terminate on the date of such death or Disability. For this purpose, “Disability” means the inability of the Grantee to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or which has lasted or can be expected to last for a continuous period of not less than 12 months.

(d)Restrictive Covenant.  If at any time prior to the Award Shares’ release from the restrictions hereunder, the Grantee, without the Company’s express written consent, directly or indirectly, alone or as a member of a partnership, group, or joint venture or as an employee, officer, director, or greater than 1% stockholder of any corporation, or in any capacity engages in any activity which is competitive with any of the businesses conducted by the Company or its affiliated companies at any time during the Grantee’s membership on the Company’s Board of Directors, the Grantee shall forfeit to the Company all Award Shares not previously released from the restrictions of paragraph 2 hereof.

4.Change in Control.  In the event of a Change in Control of the Company, and the Grantee’s membership on the Company’s Board of Directors ends on or after the Change in Control but prior to the last day of the Restrictive Period, then notwithstanding any conditions or restrictions contained in this Agreement, the Restrictive Period shall terminate as to all Award Shares not previously released.

5.Change in Outstanding Shares.  In the event of any change in the outstanding shares of Common Stock occurring through stock splits, stock dividends, stock consolidations, spin-offs, other distributions of assets to stockholders or assumption or conversion of outstanding Awards due to an acquisition after the Date of Award, the Award Shares shall be treated in the same manner in any such transaction as other shares of Common Stock. Any additional shares of Common Stock received by the Grantee with respect to the Award Shares in any such transaction shall be subject to the same restrictions as are then applicable to those Award Shares for which the additional shares have been issued.

6.Rights of Grantee.  As the holder of the Award Shares, the Grantee is entitled to all of the rights of a stockholder of AAR CORP. with respect to any of the Award Shares, when issued, including, but not limited to, the right to receive dividends declared and payable since the Date of Award.

7.Shares.  Award Shares shall be held by the Company in electronic book entry form on the records of the Company’s Transfer Agent for the account of the Grantee until such restrictions are released pursuant to the terms hereof, or such Award Shares are forfeited to the Company as provided by the Plan or this Agreement. The Grantee shall be entitled to the Award Shares as to which such restrictions have been released, and the Company agrees to issue such Award Shares in electronic form on the records of the Transfer Agent. Upon request by the Grantee, the Transfer Agent will transfer such released Award Shares in electronic form to the

2

AAR Director Restricted Stock Agreement

Fiscal 2023

Grantee’s broker for the Grantee’s account or issue certificates in the name of the Grantee representing the Award Shares for which restrictions have been released.

8.Legend.  The Company may, in its discretion, place a legend or legends on any electronic shares or certificates representing Award Shares issued to the Grantee that the Company believes is required to comply with any law or regulation.

9.Committee Powers.  The Committee may subject the Award Shares to such conditions, limitations or restrictions as the Committee determines to be necessary or desirable to comply with any law or regulation or with the requirements of any securities exchange. At any time during the Restrictive Period, the Committee may reduce or terminate the Restrictive Period otherwise applicable to all or any portion of the Award Shares.

10.Postponement of Distribution.  Notwithstanding anything herein to the contrary, the distribution of any portion of the Award Shares shall be subject to action by the Board taken at any time in its sole discretion (i) to effect, amend or maintain any necessary registration of the Plan or the Award Shares distributable in satisfaction of this Award under the Securities Act of 1933, as amended, or the securities laws of any applicable jurisdiction, (ii) to permit any action to be taken in order to (a) list such Award Shares on a stock exchange if the Common Stock is then listed on such exchange or (b) comply with restrictions or regulations incident to the maintenance of a public market for its Shares of Common Stock, including any rules or regulations of any stock exchange on which the Award Shares are listed, or (iii) to determine that such Award Shares and the Plan are exempt from such registration or that no action of the kind referred to in (ii)(b) above needs to be taken; and the Company shall not be obligated by virtue of any terms and conditions of this Award or any provision of this Agreement or the Plan to issue or release the Award Shares in violation of the Securities Act of 1933 or the law of any government having jurisdiction thereof. Any such postponement shall not shorten the term of any restriction attached to the Award Shares and neither the Company nor its directors or officers shall have any obligation or liability to the Grantee or to any other person as to which issuance under the Award Shares was delayed.

11.Miscellaneous.

(a)The Award and this Agreement shall be construed, administered and governed in all respects under and by the laws of the State of Illinois.

(b)Capitalized terms used herein and not defined herein will have the meanings set forth in the Plan.

(c)This Agreement has been examined by the parties hereto, and accordingly the rule of construction that ambiguities be construed against a party which causes a document to be drafted shall have no application in the construction or interpretation hereof. If any part of this Agreement is held invalid for any reason, the remainder hereof shall nevertheless remain in full force and effect.

(d)This Agreement constitutes the entire agreement between the parties concerning the subject matter hereof and any prior understanding or representation of any kind antedating this Agreement concerning such subject matter shall not be binding upon either party

3

AAR Director Restricted Stock Agreement

Fiscal 2023

except to the extent incorporated herein. No consent, waiver, modification or amendment hereof, or additional obligation assumed by either party in connection herewith, shall be binding unless evidenced by a writing signed by both parties and referring specifically hereto. No consent, waiver, modification or amendment with respect hereto shall be construed as applicable to any past or future events other than the one in respect of which it was specifically made.

(e)This Agreement shall be construed consistent with the provisions of the Plan and in the event of any conflict between the terms of this Agreement and the terms of the Plan, the terms of the Plan shall control and any terms of this Agreement which conflict with Plan terms shall be void.

Questions concerning the provisions of this Agreement should be directed to the Company’s Corporate Secretary: 630/227-2060; fax 630/227-2058.

4

AAR Director Restricted Stock Agreement

Fiscal 2023

EX-21.1

Exhibit 21.1

AAR CORP.

Subsidiaries, Affiliated Companies, and Joint Ventures

Name(1)	Place of Incorporation	Ownership %(2)
AAR CORP.	Delaware
AAR do Brasil Ltda.	Brazil	0.1%
Rags of Honor, LLC	Illinois	10%
AAR Aircraft & Engine Sales & Leasing, Inc. (3)	Illinois
AAR Asset Management, LLC	Delaware
AAR International Financial Services, L.L.C.	Illinois	10%
AAR Aircraft Services, Inc. (4)	Illinois
Aviation Maintenance Staffing, Inc.	Delaware
Aeronautica Corporation(5)	Illinois
AAR Airlift Group, Inc. (6)	Florida
AAR Airlift Pakistan (Private) Limited	Pakistan	50%
AAR Airlift S.A.S.	Colombia
Wide Open Sky General Trading & Services, LLC	Iraq
AAR Government Services, Inc.	Illinois
AAR Airlift Group Afghanistan Inc. Logistic Services (7)	Afghanistan
AAR Airlift Cyprus Limited	Cyprus
AAR Airlift Panama, Inc.	Panama
AAR Airlift Group Peru S.A.C.	Peru	0.1%
AAR Airlift Group Peru S.A.C.	Peru	99.9%
AAR International, Inc. (8)	Illinois
AAR (25262) LLC	Delaware
AAR Airlift Pakistan (Private) Limited	Pakistan	50%
AAR Australia, L.L.C.	Illinois
AAR Canada Holdings ULC	British Columbia
AAR Aircraft Services – Windsor ULC(9)	British Columbia
AAR Aircraft Services – Trois Rivieres ULC(10)	British Columbia
AAR do Brasil Ltda.	Brazil	99.9%
AAR Global Services – Australia Pty Ltd(11)	Australia
AAR International Financial Services, L.L.C.	Illinois	90%
AARIFS (561) LLC	Illinois
AARIFS (662) LLC	Delaware
AARIFS (25092) LLC	Delaware
AARIFS (25093) LLC	Delaware
AAR Indamer Technics Private Limited (Joint Venture)	India	40%
EAVF Aircraft Holdco Limited (Joint Venture)	Bermuda	2%
EAVF Aircraft Holdco 2 Limited (Joint Venture)	Ireland	5%
Primat Capital LLC (Joint Venture)	Delaware	10%
Primat Capital 2019-I LLC	Delaware
Primat Capital 2020-I LLC	Delaware
Osprey 737-300 Leasing LLC	Delaware

1

Name(1)	Place of Incorporation	Ownership %(2)
TN-AR Holdings LLC	Delaware	1 Million Class A (Non-voting) Units
AAR Landing Gear Services Sdn. Bhd. (Joint Venture)	Malaysia	49%
AAR Ireland Limited(12)	Ireland
AAR Japan, Inc.	Illinois
Airinmar Limited	United Kingdom
Technisch Handelskantoor Lloyd B.V.	Netherlands
Allen Airmotive Properties B.V.	Netherlands
AAR Manufacturing, Inc. (13)	Illinois
Brown International Corporation(14)	Alabama
AAR Supply Chain, Inc. (15)	Illinois
AAR Allen Services, Inc. (16)	Illinois
AAR Landing Gear LLC (17)	Florida
EP Aviation, LLC	Delaware
AAR Sumisho Aviation Services LLC (Joint Venture) (18)	Delaware	50%

(1) An italicized name means the entity is a subsidiary of the entity appearing in bold above it.  An indentation means the entity is a subsidiary of the entity above.

(2) Where not wholly owned by AAR CORP. and/or one of its affiliated companies.  Joint ventures are so noted.

(3) Also does business under the name AAR Aircraft Advisory Services.

(4) Also does business under the names AAR Aircraft Services — Indianapolis, AAR Aircraft Services — Oklahoma, AAR Aircraft Services —Duluth, AAR Aircraft Services — Rockford, AAR Aircraft Services – Miami, and AAR Engineering Services.

(5) Also does business under the name Aeronautica.

(6) Also does business under the names AAR Airlift, AAR Airlift Group, AAR Aircraft Services —Melbourne and AAR Rotorcraft Services.

(7) Also does business under the name AAR Defense Systems & Logistics.

(8) Also does business under the names AAR Aircraft Component Services International, AAR Engineering Services — Asia, Allen Asset Management.

(9) Also does business under the name AAR MRO Services-Canada, Windsor (ON).

(10) Also does business under the name AAR MRO Services-Canada, Trois Rivieres (QC).

(11) Also does business under the name AAR Defense Systems and Logistics.

(12) Also does business under the name AAR Aircraft Turbine Center.

(13) Also does business under the names AAR Mobility Systems, and AAR Manufacturing.

(14) Also does business under the name AAR Integrated Technologies.

(15) Also does business under the names AAR Aircraft Turbine Center, AAR Defense Systems & Logistics, Allen Asset Management, AAR Distribution, and Airinmar.

(16) Also does business under the names AAR Aircraft Component Services, AAR Hermetic, and AAR Petrotech.

(17) Also does business under the names AAR Landing Gear Services and AAR Wheels and Brakes Services.

(18) This entity is not a subsidiary but a separate joint venture entity under AAR Supply Chain.

2

EX-23.1

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements (Nos. 333-214445, 333-191915, 333-219376, 333-249400) on Form S-8 of our reports dated July 21, 2022, with respect to the consolidated financial statements of AAR CORP. and the effectiveness of internal control over financial reporting.

/s/ KPMG LLP

Chicago, Illinois

July 21, 2022

EX-31.1

Exhibit 31.1

CERTIFICATION

I, John M. Holmes, certify that:

1. I have reviewed this Annual Report on Form 10-K of AAR CORP. (the “Registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

4. The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

DATE: July 21, 2022

/s/ JOHN M. HOLMES

John M. Holmes

President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Sean M. Gillen, certify that:

1. I have reviewed this Annual Report on Form 10-K of AAR CORP. (the “Registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

4. The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

DATE: July 21, 2022

/s/ SEAN M. GILLEN

Sean M. Gillen

Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the AAR CORP. (the “Company”) Annual Report on Form 10-K for the period ended May 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John M. Holmes, President and Chief Executive Officer of the Company, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: July 21, 2022	/s/ JOHN M. HOLMES
	John M. Holmes
	President and Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the AAR CORP. (the “Company”) Annual Report on Form 10-K for the period ended May 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Sean M. Gillen, Vice President and Chief Financial Officer of the Company, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: July 21, 2022	/s/ SEAN M. GILLEN
	Sean M. Gillen
	Vice President and Chief Financial Officer

XML

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	Jun. 30, 2022	Nov. 30, 2021
Document and Entity Information
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Period End Date	May 31, 2022
Entity File Number	1-6263
Entity Registrant Name	AAR CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	36-2334820
Entity Address, Address Line One	One AAR Place
Entity Address, Address Line Two	1100 N. Wood Dale Road
Entity Address, City or Town	Wood Dale
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60191
City Area Code	630
Local Phone Number	227-2000
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 1,105
Entity Common Stock, Shares Outstanding		35,416,624
Entity Central Index Key	0000001750
Entity Interactive Data Current	Yes
Current Fiscal Year End Date	--05-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Amendment Flag	false
ICFR Auditor Attestation Flag	true
Auditor Name	KPMG LLP
Auditor Firm ID	185
Auditor Location	Chicago, Illinois
Common Stock | NEW YORK STOCK EXCHANGE, INC.
Document and Entity Information
Title of 12(b) Security	Common Stock, $1.00 par value
Trading Symbol	AIR
Security Exchange Name	NYSE
Common Stock | CHICAGO STOCK EXCHANGE, INC
Document and Entity Information
Title of 12(b) Security	Common Stock, $1.00 par value
Trading Symbol	AIR
Security Exchange Name	CHX

XML

CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Sales:
Sales	$ 1,820.0	$ 1,652.3	$ 2,072.0
Cost and operating expenses:
Provision for credit losses	1.2	8.5	5.4
Selling, general and administrative	202.2	182.4	220.6
Total cost and operating expenses	1,710.2	1,567.3	2,028.8
Earnings (Loss) from joint ventures	(2.9)	0.2	(1.9)
Operating income	106.9	85.2	41.3
Losses related to sale and exit of business	(1.7)	(20.2)
Other income (expense), net	2.2	4.3	(2.1)
Interest expense	(2.4)	(5.0)	(9.3)
Interest income	0.1	0.2	0.5
Income from continuing operations before provision for income taxes	105.1	64.5	30.4
Provision for income taxes	26.6	18.2	5.6
Income from continuing operations	78.5	46.3	24.8
Income (Loss) from discontinued operations, net of tax	0.2	(10.5)	(20.4)
Net income	$ 78.7	$ 35.8	$ 4.4
Earnings per share - basic:
Earnings from continuing operations	$ 2.19	$ 1.31	$ 0.71
Income (Loss) from discontinued operations	0.01	(0.30)	(0.59)
Earnings per share - basic	2.20	1.01	0.12
Earnings per share - diluted:
Earnings from continuing operations	2.16	1.30	0.71
Income (Loss) from discontinued operations	0.01	(0.30)	(0.58)
Earnings per share - diluted	$ 2.17	$ 1.00	$ 0.13
Products
Sales:
Sales	$ 1,078.3	$ 934.9	$ 1,090.0
Cost and operating expenses:
Cost	869.4	773.8	900.0
Services
Sales:
Sales	741.7	717.4	982.0
Cost and operating expenses:
Cost	$ 637.4	$ 602.6	$ 902.8

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income	$ 78.7	$ 35.8	$ 4.4
Other comprehensive income (loss), net of tax:
Currency translation adjustments	(6.7)	5.9	0.1
Unrecognized pension and post retirement costs, net of tax benefit (expense) of $1.4 in 2022, $5.2 in 2021, and $(1.0) in 2020	5.4	20.4	(3.8)
Total other comprehensive income (loss), net of tax	(1.3)	26.3	(3.7)
Comprehensive income	$ 77.4	$ 62.1	$ 0.7

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Unrecognized pension and post retirement costs, tax expense (benefit)	$ 1.4	$ 5.2	$ (1.0)

XML

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	May 31, 2022	May 31, 2021
Current assets:
Cash and cash equivalents	$ 53.5	$ 51.8
Restricted cash	5.4	8.4
Accounts receivable, net	214.0	166.7
Contract assets	73.6	71.9
Inventories	550.5	540.6
Rotable assets and equipment on or available for short-term lease	53.6	50.4
Assets of discontinued operations	16.2	19.5
Prepaid expenses and other current assets	40.4	27.7
Total current assets	1,007.2	937.0
Property, plant and equipment, at cost:
Land	3.3	3.3
Buildings and improvements	94.7	114.7
Equipment and furniture and fixtures	269.9	262.2
Property, plant and equipment, gross	367.9	380.2
Accumulated depreciation	(258.3)	(260.2)
Property, plant and equipment, net	109.6	120.0
Other assets:
Goodwill and intangible assets, net	119.7	123.8
Operating lease right-of-use assets, net	73.0	75.8
Rotable assets supporting long-term programs	166.6	184.3
Other non-current assets	97.8	98.8
Total other assets	457.1	482.7
Total assets	1,573.9	1,539.7
Current liabilities:
Accounts payable	156.4	127.2
Accrued liabilities	174.6	174.2
Liabilities of discontinued operations	17.2	35.4
Total current liabilities	348.2	336.8
Long-term debt	98.9	133.7
Operating lease liabilities	57.4	59.9
Deferred tax liabilities	20.0	9.5
Other liabilities	14.9	25.4
Total noncurrent liabilities	191.2	228.5
Equity:
Preferred stock, $1.00 par value, authorized 250,000 shares; none issued
Common stock, $1.00 par value, authorized 100,000,000 shares; issued 45,300,786 shares at cost	45.3	45.3
Capital surplus	477.5	479.8
Retained earnings	820.4	741.7
Treasury stock, 9,909,702 and 9,925,551 shares at cost, respectively	(289.1)	(274.1)
Accumulated other comprehensive loss	(19.6)	(18.3)
Total equity	1,034.5	974.4
Total liabilities and equity	$ 1,573.9	$ 1,539.7

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	May 31, 2022	May 31, 2021
CONSOLIDATED BALANCE SHEETS
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, authorized shares	250,000	250,000
Preferred stock, issued shares	0	0
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, authorized shares	100,000,000	100,000,000
Common stock, issued shares	45,300,786	45,300,786
Treasury stock, shares	9,909,702	9,925,551

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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions	Common Stock	Capital Surplus	Retained Earnings Cumulative effect adjustment	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Total AAR Stockholders' Equity Cumulative effect adjustment	Total AAR Stockholders' Equity	Total
Balance (ASC 606) at May. 31, 2019			$ 2.5				$ 2.5
Balance at May. 31, 2019	$ 45.3	$ 479.4		$ 709.8	$ (287.7)	$ (40.9)		$ 905.9
Increase (Decrease) in Stockholders' Equity
Net income				4.4				4.4	$ 4.4
Cash dividends				(10.7)				(10.7)
Stock option activity		3.1			8.3			11.4
Restricted stock activity		(3.9)			0.8			(3.1)
Repurchase of shares					(4.1)			(4.1)
Other comprehensive income (loss), net of tax						(3.7)		(3.7)	(3.7)
Balance at May. 31, 2020	45.3	478.6		706.0	(282.7)	(44.6)		902.6
Increase (Decrease) in Stockholders' Equity
Net income				35.8				35.8	35.8
Cash dividends				(0.1)				(0.1)
Stock option activity		3.6			3.0			6.6
Restricted stock activity		(2.4)			5.6			3.2
Other comprehensive income (loss), net of tax						26.3		26.3	26.3
Balance at May. 31, 2021	45.3	479.8		741.7	(274.1)	(18.3)		974.4	974.4
Increase (Decrease) in Stockholders' Equity
Net income				78.7				78.7	78.7
Stock option activity		2.0			19.3			21.3
Restricted stock activity		(4.3)			8.1			3.8
Repurchase of shares					(42.4)			(42.4)
Other comprehensive income (loss), net of tax						(1.3)		(1.3)	(1.3)
Balance at May. 31, 2022	$ 45.3	$ 477.5		$ 820.4	$ (289.1)	$ (19.6)		$ 1,034.5	$ 1,034.5

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Cash flows provided from (used in) operating activities:
Net income	$ 78.7	$ 35.8	$ 4.4
Less: Loss (Income) from discontinued operations	(0.2)	10.5	20.4
Income from continuing operations	78.5	46.3	24.8
Adjustments to reconcile income to net cash provided from (used in)operating activities:
Depreciation and intangible amortization	33.1	36.3	43.7
Stock-based compensation expense	8.2	9.2	7.3
Provision for credit losses	1.2	8.5	5.4
Pension settlement charges	1.4	0.9	1.5
Deferred tax provision	8.7	8.4	0.5
Loss (Earnings) from joint ventures	2.9	(0.2)	1.9
Customer contract termination and restructuring costs		2.2	31.3
Impairment charges	2.9	9.1	8.1
Losses on sale and exit of business	1.7	20.2
Changes in certain assets and liabilities, net of acquisitions:
Accounts receivable	(49.0)	(4.5)	14.8
Contract assets	(1.9)	(26.4)	9.9
Inventories	(10.4)	74.9	(94.5)
Prepaid expenses and other current assets	(10.2)	49.8	(40.1)
Rotable assets supporting long-term programs	3.0	9.1	(22.1)
Accounts payable	29.4	(62.6)	4.1
Accrued and other liabilities	(10.5)	16.2	(1.0)
Deferred revenue on long-term programs	3.8	(83.0)	(14.6)
Other	(3.0)	(5.9)	(0.1)
Net cash provided from (used in) operating activities-continuing operations	89.8	108.5	(19.1)
Net cash used in operating activities-discontinued operations	(14.6)	(3.3)	(17.0)
Net cash provided from (used in) operating activities	75.2	105.2	(36.1)
Cash flows used in investing activities:
Property, plant and equipment expenditures	(17.3)	(11.3)	(23.6)
Proceeds from asset sales	7.3
Proceeds from termination of life insurance policies		10.0
Other	(6.5)	0.8	(1.2)
Net cash used in investing activities	(16.5)	(0.5)	(24.8)
Cash flows provided from (used in) financing activities:
Short-term borrowings (repayments), net	(9.5)	(470.0)	459.5
Repayments on long-term borrowings	(24.7)
Cash dividends		(0.1)	(10.7)
Purchase of treasury stock	(42.4)		(4.1)
Stock compensation activity	16.8	0.6	1.1
Other			(1.3)
Net cash provided from (used in) financing activities	(59.8)	(469.5)	444.5
Effect of exchange rate changes on cash	(0.2)	0.3
Increase (Decrease) in cash and cash equivalents	(1.3)	(364.5)	383.6
Cash, cash equivalents, and restricted cash at beginning of year	60.2	424.7	41.1
Cash, cash equivalents, and restricted cash at end of year	$ 58.9	$ 60.2	$ 424.7

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Summary of Significant Accounting Policies

12 Months Ended

May 31, 2022

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

1. Summary of Significant Accounting Policies

Description of Business

AAR CORP. (the “Company”) is a diversified provider of services and products to the worldwide commercial aviation and government and defense markets.  Services and products include: aviation supply chain and parts support programs; customer fleet management and operations; maintenance, repair and overhaul (“MRO”) of airframes, landing gear, and certain other airframe components; design and manufacture of specialized pallets, shelters, and containers; aircraft modifications and aircraft and engine sales and leasing. We serve commercial, government and defense aircraft fleet operators, original equipment manufacturers, and independent service providers around the world, and various other domestic and foreign military customers.

Principles of Consolidation

The accompanying Consolidated Financial Statements include the accounts of the Company and its majority-owned subsidiaries after elimination of intercompany accounts and transactions.

Certain reclassifications have been made to the prior year presentation to conform to the 2022 presentation.

New Accounting Pronouncements Adopted

In February 2016, the FASB issued ASU No. 2016-02, Leases (“ASC 842”), which amended the existing accounting standards for lease accounting.  ASC 842 requires lessees to recognize a right-of-use (“ROU”) asset and lease liability on the balance sheet for most lease arrangements, including those classified as operating leases.  In addition, ASC 842 requires new qualitative and quantitative disclosures about our leasing activities.  

We adopted ASC 842 on June 1, 2019 using the modified retrospective transition approach.  Under that approach, prior periods were not restated and continue to be reported under the accounting standards in effect for those periods.  We elected the package of practical expedients, which must be elected as a package and applied consistently to all leases.  This package permitted us to not reassess our prior conclusions about lease identification, lease classification and initial direct costs. In addition, we elected the practical expedients to not separate lease and non-lease components for both lessee and lessor relationships and to not apply the recognition requirements to leases with terms of twelve months or less.

Upon adoption of ASC 842 on June 1, 2019, we recognized operating lease ROU assets of $123.2 million and operating lease liabilities of $116.8 million on our Consolidated Balance Sheet. These amounts included operating lease ROU assets of $26.6 million and operating lease liabilities of $25.3 million related to our discontinued operations. In addition, we recognized the remaining unamortized deferred gains of $2.5 million, net of tax, associated with sale-leaseback transactions as a cumulative effect adjustment to the opening balance of retained earnings as of June 1, 2019. The adoption of ASC 842 did not have a material impact on the Consolidated Statements of Income or Cash Flows.

Revenue Recognition

Revenue is measured based on consideration specified in a contract with a customer, and excludes any sales incentives and amounts collected on behalf of third parties. We recognize revenue when we satisfy a performance obligation by transferring control over a product or service to a customer.  

Our unit of accounting for revenue recognition is a performance obligation included in our customer contracts.  A performance obligation reflects the distinct good or service that we must transfer to a customer.  At contract inception, we evaluate if the contract should be accounted for as a single performance obligation or if the contract contains multiple performance obligations.  In some cases, our contract with the customer is considered one performance obligation as it includes factors such as whether the good or service being provided is significantly integrated with other promises in the contract, whether the service provided significantly modifies or customizes another good or service or whether the good or service is highly interdependent or interrelated.  If the contract has more than one performance obligation, we determine the standalone price of each distinct good or service underlying each performance obligation and allocate the transaction price based on their relative standalone selling prices.

The transaction price of a contract, which can include both fixed and variable amounts, is allocated to each performance obligation identified.  Some contracts contain variable consideration, which could include incremental fees or penalty provisions related to performance.  Variable consideration that can be reasonably estimated based on current assumptions and historical information is included in the transaction price at the inception of the contract but limited to the amount that is probable that a significant reversal in the amount of cumulative revenue recognized will not occur.  Variable consideration that cannot be reasonably estimated is recorded when known.

Our performance obligations are satisfied over time as work progresses or at a point in time based on transfer of control of products and services to our customers.  The majority of our sales from products typically represent distinct performance obligations and are recognized at a point in time upon transfer of control to the customer, which generally occurs upon shipment.  In connection with certain sales of products, we also provide logistics services, which include inventory management, replenishment, and other related services.  The price of such services is generally included in the price of the products delivered to the customer, and revenues are recognized upon delivery of the product, at which point the customer has obtained control of the product.  We do not account for these services separate from the related product sales as the services are inputs required to fulfill part orders received from customers.

For our performance obligations that are satisfied over time, we measure progress in a manner that depicts the performance of transferring control to the customer. As such, we utilize the input method of cost-to-cost to recognize revenue over time as this depicts when control of the promised goods or services are transferred to the customer.  Revenue is recognized based on the relationship of actual costs incurred to date to the estimated total cost at completion of the performance obligation.

We are required to make certain judgments and estimates, including estimated revenues and costs, as well as inflation and the overall profitability of the arrangement.  Key assumptions involved can include customer volume, future labor costs and efficiencies, repair or overhaul costs, overhead costs, and ultimate timing of product delivery.  Differences may occur between the judgments and estimates made by management and actual program results.  For contracts that are deemed to be loss contracts, we establish forward loss reserves for total estimated costs that are in excess of total estimated consideration in the period in which they become known.

We utilize the portfolio approach to estimate the amount of revenue to recognize for certain contracts which require over-time revenue recognition.  Such contracts are grouped together either by revenue stream, customer or product line with each portfolio of contracts grouped together based on having similar characteristics. The portfolio approach is utilized only when the result of the accounting is not expected to be materially different than if applied to individual contracts.

We also may enter into offset agreements or conditions as part of obtaining orders for our products and services from certain government customers in foreign countries.  These agreements are designed to enhance the social and economic environment of the foreign country by requiring the contractor to promote investment in the country.  These agreements also may be satisfied through our use of cash or other means of providing financial support for in-country projects with local companies.  The amounts ultimately applied against our offset agreements are based on negotiations with the customer and satisfaction of our offset obligations are included in the estimates of our total costs to complete the contract.

When contracts are modified, we consider whether the modification either creates new or changes the existing enforceable rights and obligations. Contract modifications that are for goods or services that are not distinct from the existing contract, due to the significant integration with the original goods or services provided, are accounted for as if they were part of that existing contract with the effect of the contract modification recognized as an adjustment to revenue on a cumulative catch-up basis. When the modifications include additional performance obligations that are distinct, they are accounted for as a new contract and performance obligation, which are recognized prospectively.

Certain contracts with customers have options for the customer to acquire additional goods or services. In most cases, the pricing of these options are reflective of the standalone selling price of the good or service. These options do not provide the customer with a material right and are accounted for only when the customer exercises the option to purchase the additional goods or services.  If the option on the customer contract was not indicative of the standalone selling price of the good or service, the material right would be accounted for as a separate performance obligation.

Under most of our U.S. government contracts, if the contract is terminated for convenience, we are entitled to payment for items delivered and fair compensation for work performed, the costs of settling and paying other claims, and a reasonable profit on the costs incurred or committed.

In the ordinary course of business, agencies of the U.S. and other governments audit our claimed indirect costs and conduct inquiries and investigations of our business practices with respect to government contracts to determine whether our operations are conducted in accordance with these requirements and the terms of the relevant contracts. U.S. government agencies, including the Defense Contract Audit Agency (“DCAA”), routinely audit our claimed indirect costs, for compliance with the Cost Accounting Standards and the Federal Acquisition Regulations. These agencies also conduct reviews and investigations and make inquiries regarding our accounting and other systems in connection with our performance and business practices with respect to our government contracts and subcontracts. As of May 31, 2022, our Consolidated Balance Sheet included $2.6 million of reserves for estimated adjustments to claimed indirect costs.

Costs to fulfill and obtain a contract are considered for capitalization based on contract specific facts and circumstances.  The incremental costs to fulfill a contract, including setup and implementation costs prior to beginning the period of performance, may be capitalized when expenses are incurred prior to the start of satisfying a performance obligation.  The capitalized costs are subsequently expensed over the contract’s period of performance.

We have elected to use certain practical expedients permitted under ASC 606.  Shipping and handling fees and costs incurred associated with outbound freight after control over a product has transferred to a customer are accounted for as a fulfillment cost and are included in Cost of sales on our Consolidated Statements of Income, and are not considered a performance obligation to our customers.  Our reported sales on our Consolidated Statements of Income are net of any sales or related non-income taxes.  We also utilize the “as invoiced” practical expedient in certain cases where performance obligations are satisfied over time and the invoiced amount corresponds directly with the value we are providing to the customer.

Cumulative Catch-up Adjustments

Changes in estimates and assumptions related to our arrangements accounted for using the cost-to-cost method are recorded using the cumulative catch-up method of accounting. These changes are primarily adjustments to the estimated profitability for our long-term programs where we provide component inventory management, supply chain logistics programs, and/or repair services.

Favorable and unfavorable cumulative catch-up adjustments were as follows:

	May 31,
	2022		2021		2020
Favorable cumulative catch-up adjustments	$	15.0	$	16.1	$	6.1
Unfavorable cumulative catch-up adjustments		(5.0)		(4.1)		(2.2)
Net cumulative catch-up adjustments	$	10.0	$	12.0	$	3.9

Contract Assets and Liabilities

The timing of revenue recognition, customer billings, and cash collections results in a contract asset or contract liability at the end of each reporting period. For instances where we recognize revenue prior to having an unconditional right to payment, we record a contract asset or liability. When an unconditional right to consideration exists, we reduce our contract asset or liability and recognize an unbilled or trade receivable. When amounts are dependent on factors other than the passage of time in order for payment from a customer to be due, we record a contract asset which consists of costs incurred where revenue recognized over time using the cost-to-cost model exceeds the amounts billed to customers. Contract liabilities include advance payments and billings in excess of revenue recognized. Certain customers make advance payments prior to the satisfaction of our performance obligations on the contract.  These amounts are recorded as contract liabilities until such performance obligations are satisfied, either over time as costs are incurred or at a point in time when deliveries are made. Contract assets and contract liabilities are determined on a contract-by-contract basis.

Net contract assets and liabilities are as follows:

	May 31,
	2022	2021		Change
Contract assets – current	73.6	$	71.9	$	1.7
Contract assets – non-current	22.5		21.6		0.9
Contract liabilities – current	(20.5)		(25.9)		5.4
Deferred revenue on long-term contracts	(10.1)		(5.4)		(4.7)
Net contract assets	65.5	$	62.2	$	3.3

Contract assets – non-current is reported within Other non-current assets, contract liabilities – current is reported within Accrued Liabilities, and deferred revenue on long-term contracts is reported within Other liabilities on our Consolidated Balance Sheets.  Changes in contract assets and contract liabilities primarily result from the timing difference between our performance of services and payments from customers.

During fiscal 2022, 2021, and 2020, certain commercial power-by-the-hour (“PBH”) customer contracts were terminated or restructured resulting in charges of $5.2 million, $5.7 million and $31.3 million, respectively.  Some of these contracts were deemed loss contracts requiring the establishment of forward loss reserves for the total estimated costs that are in excess of the total estimated consideration over the remainder of the contracts. As of May 31, 2022, our Consolidated Balance Sheet included remaining forward loss reserves of $1.3 million in Accrued liabilities.

To support our PBH customer contracts, we previously entered into an agreement with a component repair facility to outsource a portion of the component repair and overhaul services. The agreement included certain minimum repair volume guarantees, which we have not met due to the impact of COVID-19 on commercial passenger aircraft flight hours.  During fiscal 2021, we recognized a $4.5 million charge to reflect our estimated obligation over the remainder of the agreement for not achieving the minimum volume guarantees. During fiscal 2022, we recognized a $1.7 million charge to increase the obligation reflecting the revised estimated shortfall on the minimum volume guarantee. As of May 31, 2022, our Consolidated Balance Sheet included remaining loss reserves of $3.1 million with $2.3 million classified as current in Accrued liabilities and $0.8 million classified as long-term in Other liabilities.

Changes in our deferred revenue were as follows:

	Year ended May 31,
	2022		2021
Deferred revenue at beginning of period	$	(31.3)	$	(99.2)
Revenue deferred		(259.0)		(251.4)
Revenue recognized		242.3		318.2
Other		17.4		1.1
Deferred revenue at end of period	$	(30.6)	$	(31.3)

Remaining Performance Obligations

As of May 31, 2022, we had approximately $850 million of remaining performance obligations, also referred to as firm backlog, which excludes unexercised contract options and potential orders under our indefinite-delivery, indefinite-quantity contracts.  We expect that approximately 45% of this backlog will be recognized as revenue over the next 12 months with approximately 55% of the remainder recognized over the next three years. The amount of remaining performance obligations that are expected to be recognized as revenue beyond 12 months, primarily relates to our long-term programs where we provide component inventory management, supply chain logistics programs, and/or repair services.

Financial Instruments and Concentrations of Market or Credit Risk

Financial instruments that potentially subject us to concentrations of market or credit risk consist principally of trade receivables.  While our trade receivables are diverse and represent a number of entities and geographic regions, the majority are with the U.S. government and its contractors and entities in the aviation industry.  The composition of our accounts receivable is as follows:

	May 31,
	2022		2021
U.S. Government contracts:
Trade receivables	$	31.6	$	24.1
Unbilled receivables		25.9		25.2
		57.5		49.3
All other customers:
Trade receivables		136.8		104.9
Unbilled receivables		19.7		12.5
		156.5		117.4
	$	214.0	$	166.7

The carrying amounts of cash and cash equivalents, accounts receivable, and accounts and trade notes payable approximate fair value because of the short-term maturity of these instruments.  The carrying value of long-term debt bearing a variable interest rate approximates fair value.

Fair value estimates are made at a specific point in time based on relevant market information about the financial instrument.  These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision.  Changes in assumptions could significantly affect the estimates.

Allowance for Credit Losses

We maintain an allowance for credit losses to reflect the expected uncollectibility of accounts receivable based on past collection history and specific risks identified among uncollected accounts. In determining the required allowance, we consider factors such as general and industry-specific economic conditions, customer credit history, and our customers’ current and expected future financial performance. The majority of our customers are recurring customers with an established payment history. Certain customers are required to undergo an extensive credit check prior to delivery of products or services.

Our allowance for credit losses also includes reserves for estimated product returns based on historical return rates. The reserve for estimated product returns is recognized as a reduction to sales with a corresponding reduction to cost of sales for the estimated cost of inventory that is expected to be returned.

We perform regular evaluations of customer payment experience, current financial condition, and risk analysis. We may require collateral in the form of security interests in assets, letters of credit, and/or obligation guarantees from financial institutions for transactions executed on other than normal trade terms. We also maintain trade credit insurance for certain customers to provide coverage, up to a certain limit, in the event of insolvency of some customers.

The change in our allowance for credit losses was as follows:

	May 31,
	2022		2021		2020
Balance, beginning of year	$	16.4	$	22.1	$	16.0
Provision charged to operations		1.2		8.5		5.4
Recoveries, deductions for accounts written off and other reclassifications		0.3		(14.2)		0.7
Balance, end of year	$	17.9	$	16.4	$	22.1

Goodwill and Other Intangible Assets

In accordance with ASC 350, Intangibles–Goodwill and Other, goodwill and other intangible assets deemed to have indefinite lives are not amortized, but are subject to annual impairment tests. We review and evaluate our goodwill and indefinite life intangible assets for potential impairment at a minimum annually, on May 31, or more frequently if circumstances indicate that impairment is possible.

As of May 31, 2022, we had three reporting units, which included two in our Aviation Services segment (Aviation Supply Chain and MRO) and one comprised of our Expeditionary Services segment. We utilized the qualitative assessment approach for all reporting units which considers general economic conditions, industry specific performance, changes in reporting unit carrying values, and assumptions used in the most recent fair value calculation. We concluded it was more likely than not that the fair value of each reporting unit exceeded its carrying value at May 31, 2022, and thus no impairment charges were recorded.

In fiscal 2020, we elected to forego the qualitative assessment due to the unprecedented impact of the COVID-19 pandemic and utilized a quantitative assessment approach for all reporting units. We estimated the fair value of each reporting unit using primarily an income approach based on discounted cash flows. The assumptions we used to estimate the fair value of our reporting units were based on historical performance, as well as forecasts used in our business plan and required considerable management judgment in light of the impact of COVID-19. We used discount rates based on our consolidated weighted average cost of capital which is adjusted for each of our reporting units based on their specific risk, size, and industry characteristics. The fair value measurements used for our goodwill impairment testing use significant unobservable inputs, which reflected our own assumptions about the inputs that market participants would use in measuring fair value. The fair value of our reporting units is also impacted by our overall market capitalization and may be impacted by volatility in our stock price and assumed control premium, among other items. We concluded the fair value of each reporting unit exceeded its carrying values as of May 31, 2020, and thus no impairment charges were recorded.

Changes in the carrying amount of goodwill by segment for fiscal 2022 and 2021 are as follows:

	Aviation		Expeditionary
	Services		Services		Total
Balance as of May 31, 2020	$	96.4	$	19.3	$	115.7
Sale of Composites		—		(0.5)		(0.5)
Foreign currency translation adjustments		4.1		—		4.1
Balance as of May 31, 2021		100.5		18.8		119.3
Foreign currency translation adjustments		(2.9)		—		(2.9)
Balance as of May 31, 2022	$	97.6	$	18.8	$	116.4

Intangible assets with finite useful lives are amortized on a straight-line basis over their estimated useful lives. Intangible assets, other than goodwill, are comprised of the following:

	May 31, 2022
			Accumulated
Amortizable intangible assets:	Gross		Amortization		Net
Customer relationships	$	11.3	$	(9.1)	$	2.2
Unamortized intangible assets:
Trademarks		1.1		—		1.1
	$	12.4	$	(9.1)	$	3.3

	May 31, 2021
			Accumulated
Amortizable intangible assets:	Gross		Amortization		Net
Customer relationships	$	23.0	$	(19.7)	$	3.3
Unamortized intangible assets:
Trademarks		1.2		—		1.2
	$	24.2	$	(19.7)	$	4.5

During fiscal 2020, we recognized an impairment charge of $5.4 million related to the exit of certain product lines across both our Aviation Services and Expeditionary Services segments.

Customer relationships are being amortized over 5-20 years. Amortization expense recorded during fiscal 2022,  2021 and 2020 was $1.1 million, $1.8 million, and $2.3 million, respectively. The estimated aggregate amount of amortization expense for intangible assets in each of the next five fiscal years is $0.5 million in 2023, $0.3 million in 2024, $0.3 million in 2025, $0.3 million in 2026 and $0.3 million in 2027.

Foreign Currency

Our foreign subsidiaries utilize the local currency as their functional currency. All balance sheet accounts of foreign subsidiaries transacting business in currencies other than the U.S. dollar are translated at year-end exchange rates. Revenues and expenses are translated at average exchange rates during the year. Translation adjustments are excluded from the results of operations and are recorded in stockholders’ equity as a component of accumulated other comprehensive loss until such subsidiaries are liquidated.

Cash

Cash and cash equivalents consist of highly liquid instruments which have original maturities of three months or less when purchased. Restricted cash represents cash on hand required to be set aside by a contractual agreement related to receivable securitization arrangements. Generally, the restrictions related to the receivable securitization arrangements lapse at the time we remit the customer payments collected by us as servicer of previously sold customer receivables to the purchaser.

Inventories

Inventories are valued at the lower of cost or net realizable value. Cost is determined by the specific identification, average cost, or first-in, first-out methods. From time-to-time, we purchase aircraft and engines for disassembly to individual parts and components. Costs are assigned to these individual parts and components utilizing list prices from original equipment manufacturers and recent sales history. Expenditures for the repair of parts and components are capitalized as inventory.

The following is a summary of inventories:

	May 31,
	2022		2021
Aircraft and engine parts, components and finished goods	$	465.9	$	468.4
Raw materials and parts		62.2		53.0
Work-in-process		22.4		19.2
	$	550.5	$	540.6

Rotable Assets and Equipment under Leases

The cost of the asset under lease is the original purchase price plus overhaul costs. Depreciation is computed using the straight-line method over the estimated service life of the equipment. The balance sheet classification of equipment under lease is generally based on lease term, with fixed-term leases less than twelve months generally classified as short-term and all others generally classified as long-term.

Equipment on short-term lease includes aircraft engines and parts on or available for lease to satisfy customers’ immediate short-term requirements. The leases are renewable with fixed terms, which generally vary from one to twelve months.

Property, Plant and Equipment and Other Non-Current Assets

We record property, plant and equipment at cost. Depreciation is computed on the straight-line method over useful lives of 10-40 years for buildings and improvements and 3-10 years for equipment, furniture and fixtures, and capitalized software. Leasehold improvements are amortized over the shorter of the estimated useful life or the term of the applicable lease.

Repair and maintenance expenditures are expensed as incurred. Upon sale or disposal, cost and accumulated depreciation are removed from the accounts, and related gains and losses are included in results of operations.

Rotable assets supporting long-term programs consist of rotable component parts used to support long-term supply chain programs. The assets are being depreciated on a straight-line basis over their estimated useful lives.

In accordance with ASC 360, Property, Plant and Equipment, we are required to test for impairment of long-lived assets whenever events or changes in circumstances indicate the carrying value of an asset may not be recoverable from its undiscounted cash flows.  We utilize certain assumptions to estimate future undiscounted cash flows, including demand for our services, future market conditions and trends, business development pipeline of opportunities, current and future lease rates, lease terms, and residual values.

During fiscal 2021, we evaluated future cash flows related to certain rotable assets supporting long-term PBH programs in light of declines in commercial airline volumes and commercial program contract terminations.  In our Aviation Services segment, we recognized asset impairment charges of $5.8 million related to these rotable assets in fiscal 2021.  In conjunction with the termination of a PBH contract, we evaluated future cash flows related to the rotable assets supporting that fleet type and recognized asset impairment charges of $2.3 million in fiscal 2022.

In conjunction with the decision to exit certain product lines, we recognized rotable asset impairment charges of $1.9 million in fiscal 2020 in conjunction with reclassifying the rotable assets as inventory held for sale. In fiscal 2022 and 2021, we recognized additional impairment charges of $1.0 million and $1.4 million on these assets.

In our Expeditionary Services segment, we consolidated manufacturing facilities and recognized impairment and related charges of $2.6 million during fiscal 2021.

Future rent due to us under non-cancelable leases during each of the next five fiscal years is $20.5 million in 2023, $20.1 million in 2024, $19.8 million in 2025, $16.5 million in 2026, and $10.3 million in 2027.

Investments

Investments where we have the ability to exercise significant influence, but do not control the entity, are accounted for under the equity method of accounting.  Significant influence generally exists if we have a 20% to 50% ownership interest in the investee. Our share of the net earnings or loss of our investees is included in operating income on our Consolidated Statements of Income since the activities of the investees are closely aligned with our operations. Equity investments in entities over which we do not have the ability to exercise significant influence and whose securities do not have a readily determinable fair value are carried at cost less impairment, if any, adjusted for changes resulting from qualifying observable price changes for the identical investment of the same issuer should they occur.

We evaluate our investments for impairment whenever events or changes in circumstances indicate that the carrying amounts of such investments may be impaired. If a decline in the value of an investment is determined to be other than temporary, a loss is recorded in earnings in the current period.

Our investments are classified in Other non-current assets on our Consolidated Balance Sheets. Distributions from joint ventures are classified as operating or investing activities in the Consolidated Statements of Cash Flows based upon an evaluation of the specific facts and circumstances of each distribution.

Restructuring and Other Exit Costs

We recognize charges for restructuring and other exit costs such as product line exits and facility closures at their fair value when incurred.  In cases where employees are required to render service until they are terminated in order to receive the termination benefits and will be retained beyond the minimum retention period, we recognize the expense ratably over the future service period.

During fiscal 2021 and 2020, we incurred severance and furlough-related costs of $9.0 million and $7.1 million, respectively, which were included as a component of Cost of sales and services and Selling, general and administrative on our Consolidated Statements of Income.

Income Taxes

We are subject to income taxes in the U.S., state, and several foreign jurisdictions. In the ordinary course of business, there can be transactions and calculations where the ultimate tax determination is uncertain. We recognize deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements or tax returns in accordance with applicable accounting guidance for accounting for income taxes, using currently enacted tax rates in effect for the year in which the differences are expected to reverse.

We record a valuation allowance when necessary to reduce deferred tax assets to the amount expected to be realized. Deferred tax assets are reduced by a valuation allowance if, based on the weight of available evidence, it is more likely than not that some portion or all of the deferred tax assets will not be realized. Both positive and negative evidence are considered in forming our judgment as to whether a valuation allowance is appropriate, and more weight is given to evidence that can be objectively verified. Valuation allowances are reassessed whenever there are changes in circumstances that may cause a change in judgment.

The accounting for uncertainty in income taxes requires a more-likely-than-not threshold for financial statement recognition of tax positions taken or expected to be taken in a tax return. Where necessary, we record a liability for the difference between the benefit recognized for financial statement purposes and the tax position taken or expected to be taken on our tax return. To the extent that our assessment of such tax positions changes, the change in estimate is recorded in the period in which the determination is made.

Supplemental Information on Cash Flows

Supplemental information on cash flows is as follows:

	For the Year Ended
	May 31,
	2022		2021		2020
Interest paid	$	2.1	$	4.3	$	8.6
Income taxes paid		23.9		8.2		14.3
Income tax refunds and interest received		3.8		8.3		7.0

During fiscal 2022, treasury stock increased $15.0 million reflecting the repurchase of 1.0 million common shares for $42.4 million partially offset by restricted stock activity of $8.1 million and the re-issuance of shares upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations, of $19.3 million.

During fiscal 2021, treasury stock decreased $8.6 million reflecting restricted stock activity of $5.6 million and the re-issuance of shares upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations, of $3.0 million.

During fiscal 2020, treasury stock decreased $5.0 million reflecting restricted stock activity of $0.8 million and the re-issuance of shares upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations, of $8.3 million partially offset by the repurchase of common shares of $4.1 million.

Use of Estimates

We have made estimates and utilized certain assumptions relating to the reporting of assets and liabilities and the disclosures of contingent liabilities to prepare these Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States. Actual results could differ from those estimates.

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Discontinued Operations

12 Months Ended

May 31, 2022

Discontinued operation, Disposed of by sale | COCO

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Discontinued Operations

2. Discontinued Operations

During the third quarter of fiscal 2018, we decided to pursue the sale of our Contractor-Owned, Contractor-Operated (“COCO”) business previously included in our Expeditionary Services segment. Due to this strategic shift, the assets, liabilities, and results of operations of our COCO business have been reported as discontinued operations for all periods presented. Unless otherwise noted, amounts and disclosures throughout these Notes to Consolidated Financial Statements relate to our continuing operations.

In the fourth quarter of fiscal 2020, we completed the sale of the last operating contract of the COCO business shortly after government approval.  Our continuing involvement in the COCO business is limited to the lease of certain aircraft which is an obligation of the acquirer of this contract.  The assets and liabilities of our discontinued operations are primarily comprised of right-of-use assets and lease-related liabilities.

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Sale of Receivables

12 Months Ended

May 31, 2022

Sale of Receivables

Sale of Receivables

3.  Sale of Receivables

On February 23, 2018, we entered into a Purchase Agreement with Citibank N.A. (“Purchaser”) for the sale, from time to time, of certain accounts receivable due from certain customers (the “Purchase Agreement”).  Under the Purchase Agreement, the maximum amount of receivables sold is limited to $150 million and Purchaser may, but is not required to, purchase the eligible receivables we offer to sell.  The term of the Purchase Agreement runs through February 22, 2023, however, the Purchase Agreement may also be terminated earlier under certain circumstances.  The term of the Purchase Agreement shall be automatically extended for annual terms unless either party provides advance notice that they do not intend to extend the term.

We have no retained interests in the sold receivables, other than limited recourse obligations in certain circumstances, and only perform collection and administrative functions for the Purchaser.  We account for these receivable transfers as sales under ASC 860, Transfers and Servicing, and de-recognize the sold receivables from our Consolidated Balance Sheets.

Receivables sold under the Purchase Agreement during fiscal 2022, 2021, and 2020 were $ 283.3 million, $ 440.6 million, and $746.4 million, respectively. Amounts remitted to the Purchaser on their behalf during fiscal 2022, 2021, and 2020 were $ 306.9 million, $ 476.3 million, and $758.3 million, respectively. As of May 31, 2022 and May 31, 2021, we had collected cash of $5.4 million and $8.4 million, respectively, which was not yet remitted to the Purchaser as of those dates and was classified as Restricted cash on our Consolidated Balance Sheets.

We recognize discounts on the sale of our receivables and other fees related to the Purchase Agreement in Other expense, net on our Consolidated Statements of Income. During fiscal 2022, 2021 and 2020, we incurred discounts on the sale of our receivables and other fees of $ 0.3 million, $ 0.4 million and $1.8 million, respectively.

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Financing Arrangements

12 Months Ended

May 31, 2022

Financing Arrangements

Financing Arrangements

4. Financing Arrangements

Debt Outstanding

A summary of the carrying amount of our debt is as follows:

	May 31,
	2022		2021
Revolving Credit Facility expiring September 25, 2024 with interest payable monthly	$	100.0	$	109.5
Term loan repaid November 1, 2021 with interest paid monthly		—		25.7
Total debt		100.0		135.2
Debt issuance costs, net		(1.1)		(1.5)
Long-term debt	$	98.9	$	133.7

At May 31, 2022, our variable rate debt had a fair value that approximates its carrying value and is classified as Level 2 in the fair value hierarchy.

On October 18, 2017, we entered into a Credit Agreement with the Canadian Imperial Bank of Commerce, as lender (the “Credit Agreement”). The Credit Agreement provided a Canadian $31 million term loan with the proceeds used to fund the acquisition of two MRO facilities in Canada from Premier Aviation. The term loan was paid in full at the expiration of the Credit Agreement on November 1, 2021.

We maintain a Revolving Credit Facility with various financial institutions, as lenders, and Bank of America, N.A., as administrative agent for the lenders, which provides the Company an aggregate revolving credit commitment of $600 million and matures September 25, 2024.  Under certain circumstances, we have the ability to request, but our lenders are not required to grant, an increase to the revolving credit commitment by an aggregate amount of up to $300 million, not to exceed $900 million in total.

Borrowings under the Revolving Credit Facility bear interest at the offered Eurodollar Rate plus 87.5 to 175 basis points based on certain financial measurements if a Eurodollar Rate loan, or at the offered fluctuating Base Rate plus 0 to 75 basis points based on certain financial measurements if a Base Rate loan.

Borrowings outstanding under the Revolving Credit Facility at May 31, 2022 were $100.0 million and there were approximately $11.4 million of outstanding letters of credit, which reduced the availability of this facility to $488.6 million.

Our financing arrangements also require us to comply with leverage and interest coverage ratios, maintain a minimum net working capital level, and comply with certain affirmative and negative covenants, including those relating to financial reporting and notification, payment of indebtedness, cash dividends, taxes and other obligations, compliance with applicable laws, and limitations on additional liens, indebtedness, acquisitions, investments and disposition of assets.  The Revolving Credit Facility also requires our significant domestic subsidiaries, and any subsidiaries that guarantee our other indebtedness, to provide a guarantee of payment under the Revolving Credit Facility.  At May 31, 2022, we were in compliance with the financial and other covenants in our financing agreements.

Borrowing activity under the Revolving Credit Facility during fiscal 2022, 2021 and 2020 is as follows:

	For the Year Ended May 31,
	2022			2021			2020
Maximum amount borrowed	$	124.5		$	579.5		$	579.5
Average daily borrowings		105.9			257.5			280.7
Average interest rate during the year		1.09	%		1.20	%		2.62	%

We also have $9.3 million available under foreign lines of credit as of May 31, 2022.

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Equity

12 Months Ended

May 31, 2022

Equity

Equity

5. Equity

Stock-Based Compensation

We grant stock-based awards under the AAR CORP. 2013 Stock Plan, as Amended and Restated Effective July 13, 2020 (the “2013 Stock Plan”) which has been approved by our stockholders. Under the 2013 Stock Plan, we are authorized to issue stock options to employees and non-employee directors that allow the grant recipients to purchase shares of common stock at a price not less than the fair market value of the common stock on the date of grant. Generally, stock options awarded expire ten years from the date of grant and are exercisable in three annual increments commencing one year after the date of grant. In addition to stock options, the 2013 Stock Plan also provides for the grant of time-based restricted stock awards and performance-based restricted stock awards. The 2013 Stock Plan also provides for the grant of stock appreciation units and restricted stock units; however, to date, no such awards have been granted.

Restricted stock grants (whether time-based or performance-based) are designed, among other things, to align employee interests with the interests of stockholders and to encourage the recipient to build a career with us. Restricted stock typically vests over periods of one to three years from the date of grant. Restricted stock grants may be performance-based with vesting to generally occur over a period of three years. All restricted stock that has been granted and, if performance-based, earned according to performance criteria carries full dividend and voting rights, regardless of whether it has vested.

Substantially all stock options and restricted stock are subject to forfeiture prior to vesting if the employee’s employment terminates for any reason other than death, disability or retirement.  Under the 2013 Stock Plan, we have granted a total of 5,539,104 shares and there were 1,217,028 shares available for grant as of May 31, 2022.

Stock Options

During fiscal 2022, 2021, and 2020, we granted stock options with respect to 144,815 shares, 936,170 shares and 414,460 shares, respectively. The weighted average fair value per share of stock options granted during fiscal 2022, 2021 and 2020 was $13.42, $5.89 and $10.30, respectively. The fair value of each stock option grant was estimated on the date of grant using the Black-Scholes option pricing model using the following weighted average assumptions:

	Stock Options Granted In Fiscal Year
	2022		2021		2020
Risk-free interest rate	0.8	%	0.4	%	1.9	%
Expected volatility of common stock	41.6	%	40.2	%	32.0	%
Dividend yield	0.8	%	1.6	%	0.8	%
Expected option term in years	5.3		4.8		4.5

The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant. The expected volatility is based on historical volatility of our common stock, and the expected option term represents the period of time that the stock options granted are expected to be outstanding based on historical exercise trends. The dividend yield represents our anticipated cash dividends at the grant date over the expected option term.

A summary of stock option activity for the three years ended May 31, 2022 consisted of the following (shares in thousands):

	2022			2021			2020
		Weighted			Weighted			Weighted
		Average			Average			Average
	Shares	Exercise Price		Shares	Exercise Price		Shares	Exercise Price
Outstanding at beginning of year	2,612	$	28.34	1,851	$	32.74	1,777	$	30.37
Granted	145		37.84	936		18.94	414		37.66
Exercised	(686)		25.53	(110)		23.93	(300)		24.99
Cancelled	(26)		36.17	(65)		25.59	(40)		36.72
Outstanding at end of year	2,045	$	29.86	2,612	$	28.34	1,851	$	32.74
Options exercisable at end of year	1,189	$	33.57	1,371	$	31.56	1,133	$	28.32

The total fair value of stock options that vested during fiscal 2022, 2021, and 2020 was $4.3 million, $3.9 million, and $3.7 million, respectively. The total intrinsic value of stock options exercised during fiscal 2022, 2021, and 2020 was $14.4 million, $1.5 million, and $6.2 million, respectively. The aggregate intrinsic value of options outstanding was $37.6 million and $36.6 million as of May 31, 2022 and 2021, respectively. Expense recognized in Selling, general and administrative expenses for stock options during fiscal 2022, 2021, and 2020 was $3.8 million, $4.0 million, and $3.9 million, respectively. As of May 31, 2022, we had $3.3 million of unrecognized compensation expense related to stock options that will be expensed over an average period of 1.2 years.

Restricted Stock

We provide executives and other key employees an opportunity to be awarded performance-based and time-based restricted stock. The fair value of restricted shares is the market value of our common stock on the date of grant.  The performance-based awards are contingent upon the achievement of certain objectives, which generally include cumulative income, average return on capital, and relative total shareholder return over a three-year performance period. Performance-based restricted shares of 43,010 and 52,475 were granted to executives and key employees during fiscal 2022 and 2020, respectively. No performance-based restricted shares were granted in fiscal 2021.  Time-based restricted shares of 260,742, 144,255, and 56,535 were granted to executives and key employees during fiscal 2022, 2021, and 2020, respectively.  We also award time-based restricted stock to our non-employee directors as part of their annual compensation.  Time-based restricted shares of 32,307, 72,021, and 44,123 were granted to members of the Board of Directors during fiscal 2022, 2021, and 2020, respectively.

Restricted share activity during fiscal 2022 was as follows (shares in thousands):

		Weighted Average
	Number of	Fair Value
	Shares	on Grant Date
Nonvested at May 31, 2021	369	$	30.12
Granted	336		46.44
Vested	(127)		32.30
Forfeited	(24)		43.30
Nonvested at May 31, 2022	554		38.95

Expense recognized in Selling, general and administrative expenses for all restricted share programs during fiscal 2022, 2021, and 2020 was $4.4 million, $5.2 million, and $3.4 million, respectively.  As of May 31, 2022 we had $13.2 million of unearned compensation related to restricted shares that will be expensed over a weighted average period of 2.4 years.

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Income Taxes

12 Months Ended

May 31, 2022

Income Taxes

Income Taxes

6. Income Taxes

The provision for income tax on income from continuing operations includes the following components:

	For the Year Ended
	May 31,
	2022		2021		2020
Current:
Federal	$	11.0	$	5.2	$	1.4
State		2.6		1.2		0.9
Foreign		4.3		3.4		2.8
		17.9		9.8		5.1
Deferred		8.7		8.4		0.5
	$	26.6	$	18.2	$	5.6

The provision for income taxes on pre-tax income differs from the amount computed by applying the U.S. federal statutory income tax rate of 21.0% for fiscal 2022, 2021 and 2020 to income from continuing operations before provision for income taxes due to the following:

	For the Year Ended
	May 31,
	2022		2021		2020
Provision for income tax at the federal statutory rate	$	22.1	$	13.5	$	6.4
Tax expense (benefits) from stock-based compensation		(2.1)		0.7		(2.1)
State income taxes, net of federal benefit		5.2		2.4		1.1
Change in valuation allowance for state deferred tax assets		—		—		(0.1)
Other		1.4		1.6		0.3
Provision for income tax	$	26.6	$	18.2	$	5.6

Income before provision for income taxes includes the following components:

	For the Year Ended
	May 31,
	2022		2021		2020
Domestic	$	77.1	$	43.7	$	23.6
Foreign		28.0		20.8		6.8
	$	105.1	$	64.5	$	30.4

Our foreign earnings are comprised primarily of the results of our operations in Canada and the United Kingdom.

Deferred tax assets and liabilities result primarily from the differences in the timing of the recognition of transactions for financial reporting and income tax purposes.  Our deferred tax assets and liabilities consist of the following components:

	May 31,
	2022		2021
Deferred tax assets:
Operating lease liabilities	$	21.0	$	20.7
State net operating losses		8.0		6.8
Employee and retirement benefits		7.6		10.4
Allowance for credit losses		—		4.0
Other		1.9		2.6
Total deferred tax assets		38.5		44.5
Deferred tax liabilities:
Tangible and intangible assets		(33.6)		(31.9)
ROU operating lease assets		(22.1)		(21.9)
Other		(2.8)		(0.2)
Total deferred tax liabilities		(58.5)		(54.0)
Net deferred tax liabilities	$	(20.0)	$	(9.5)

As of May 31, 2022, we have determined that the realization of our deferred tax assets is more likely than not and that a valuation allowance is not required. Our net operating losses have carry forward periods that range from 5 to 20 years.  Our history of operating earnings, our expectations for continued future earnings, the nature of certain of our deferred tax assets and the scheduled reversal of deferred tax liabilities, primarily related to depreciation, support the recoverability of the majority of the deferred tax assets. Our net deferred tax assets are included in Other non-current assets on our Consolidated Balance Sheets.

Income tax receivable was $2.7 million at May 31, 2022 and was included in Prepaid expenses and other current assets on the Consolidated Balance Sheet.  Income tax payable was $0.7 million at May 31, 2021 and was included in Accrued liabilities on the Consolidated Balance Sheet.

Our federal income tax returns for fiscal years 2019 and subsequent are open for examination. Various states and foreign jurisdictions also remain open subject to their applicable statute of limitations.

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Earnings Per Share

12 Months Ended

May 31, 2022

Earnings Per Share

Earnings per Share

7. Earnings Per Share

The computation of basic earnings per share is based on the weighted average number of common shares outstanding during each period. The computation of diluted earnings per share is based on the weighted average number of common shares outstanding during the period plus, when their effect is dilutive, incremental shares consisting of shares subject to stock options and shares issuable upon vesting of restricted stock awards.

In accordance with ASC 260-10-45, Share-Based Payment Arrangements and Participating Securities and the Two-Class Method, our unvested restricted stock awards are deemed participating securities since these shares are entitled to participate in dividends declared on common shares. During periods of net income, the calculation of earnings per share for common stock excludes income attributable to unvested restricted stock awards from the numerator and excludes the dilutive impact of those shares from the denominator. During periods of net loss, no effect is given to the participating securities because they do not share in the losses of the Company.

The following tables provide a reconciliation of the computations of basic and diluted earnings per share information for each of the years in the three-year period ended May 31, 2022 (shares in millions).

	For the Year Ended
	May 31,
	2022		2021		2020
Basic and Diluted EPS:
Income from continuing operations	$	78.5	$	46.3	$	24.8
Less income attributable to participating shares		(0.6)		(0.4)		(0.1)
Income from continuing operations attributable to common stockholders		77.9		45.9		24.7
Income (Loss) from discontinued operations attributable to common stockholders		0.2		(10.5)		(20.4)
Net income attributable to common stockholders for earnings per share	$	78.1	$	35.4	$	4.3
Weighted average common shares outstanding – basic		35.6		35.0		34.8
Additional shares from assumed exercise of stock options		0.4		0.3		0.2
Weighted average common shares outstanding – diluted		36.0		35.3		35.0
Earnings per share – basic:
Earnings from continuing operations	$	2.19	$	1.31	$	0.71
Loss from discontinued operations		0.01		(0.30)		(0.59)
Earnings per share - basic	$	2.20	$	1.01	$	0.12
Earnings per share – diluted:
Earnings from continuing operations	$	2.16	$	1.30	$	0.71
Loss from discontinued operations		0.01		(0.30)		(0.58)
Earnings per share - diluted	$	2.17	$	1.00	$	0.13

At May 31, 2022, 2021 and 2020 respectively, outstanding options to purchase 229,800, 1,054,400 and 669,400 shares of common stock were not included in the computation of diluted earnings per share, because the exercise price of these options was greater than the average market price of the common shares for the year then ended.

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Employee Benefit Plans

12 Months Ended

May 31, 2022

Employee Benefit Plans

Employee Benefit Plans

8. Employee Benefit Plans

Defined Benefit Plans

Prior to January 1, 2000, the pension plan for substantially all domestic salaried and non-union hourly employees (“U.S. Retirement Plan”) had a benefit formula based primarily on years of service and compensation.  Effective January 1, 2000, we converted the U.S. Retirement Plan to a cash balance pension plan with the retirement benefit expressed as a dollar amount in an account that grows with annual pay-based credits and interest on the account balance.  The interest crediting rate under the U.S. Retirement Plan is determined quarterly and is equal to 100% of the average 30-year treasury rate for the second month preceding the applicable quarter published by the Internal Revenue Service.  The average interest crediting rate under our cash balance plan for the fiscal year ended May 31, 2022 was 4.46%. Effective June 1, 2005, the U.S. Retirement Plan was frozen and the annual pay-based credits were discontinued.

Our domestic plans also include a defined benefit pension plan for certain union hourly employees in which benefits are based primarily on a fixed amount per year of service (“Union Plan”). The Union Plan was frozen in fiscal 2018.

Effective May 31, 2022, the Union and U.S. Retirement Plans were merged (collectively, the “Merged U.S. Plan”) and we expect to terminate the Merged U.S. Plan in the next 12-18 months upon the completion of regulatory approvals and anticipated transfer of the Merged U.S. Plan’s obligations and assets to a third-party.

We also have a defined benefit pension plan covering certain employees in the Netherlands (“Netherlands Plan”).  Benefit formulas are generally based on years of service and compensation.  Effective January 1, 2022, the Netherlands Plan was frozen and any benefits subsequent to that date are earned by participants in a multi-employer defined contribution plan with the premiums charged to us determined by the third-party pension fund who administers the multi-employer plan.  Pension expense in fiscal 2022 for this plan was $0.5 million.

The change to our projected benefit obligation and the fair value of our plan assets for our pension plans for the year ended May 31, 2022 was as follows:

	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	70.9	$	4.4	$	83.7	$	159.0
Service cost		0.3		—		1.2		1.5
Interest cost		2.0		0.1		1.0		3.1
Participant contributions		—		—		0.1		0.1
Net actuarial loss		(7.6)		(0.4)		(17.0)		(25.0)
Benefits and administrative payments		(3.0)		(0.4)		(1.7)		(5.1)
Settlements		(2.5)		—		—		(2.5)
Curtailment		—		—		(2.0)		(2.0)
Foreign currency translation adjustment		—		—		(8.9)		(8.9)
Projected benefit obligation at end of year	$	60.1	$	3.7	$	56.4	$	120.2
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	$	81.3	$	—	$	77.1	$	158.4
Actual return on plan assets		(6.8)		—		(9.9)		(16.7)
Employer contributions		—		0.4		0.1		0.5
Participant contributions		—		—		0.1		0.1
Benefits and administrative payments, including settlements		(5.5)		(0.4)		(1.7)		(7.6)
Foreign currency translation adjustment		—		—		(8.5)		(8.5)
Fair value of plan assets at end of year	$	69.0	$	—	$	57.2	$	126.2
Funded status at end of year	$	8.9	$	(3.7)	$	0.8	$	6.0
Accumulated other comprehensive loss	$	26.2	$	0.7	$	3.9	$	30.9

The change to our projected benefit obligation and the fair value of our plan assets for our pension plans for the year ended May 31, 2021 was as follows:

	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	75.4	$	4.6	$	79.1	$	159.1
Service cost		0.3		—		2.2		2.5
Interest cost		2.1		0.1		0.9		3.1
Participant contributions		—		—		0.3		0.3
Net actuarial (gain) loss		(1.9)		0.1		(2.6)		(4.4)
Benefits and administrative payments		(3.0)		(0.4)		(1.4)		(4.8)
Settlements		(2.0)		—		—		(2.0)
Curtailment		—		—		(2.5)		(2.5)
Foreign currency translation adjustment		—		—		7.7		7.7
Projected benefit obligation at end of year	$	70.9	$	4.4	$	83.7	$	159.0
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	$	65.4	$	—	$	66.4	$	131.8
Actual return on plan assets		20.9		—		2.9		23.8
Employer contributions		—		0.4		2.3		2.7
Participant contributions		—		—		0.3		0.3
Benefits and administrative payments, including settlements		(5.0)		(0.4)		(1.4)		(6.8)
Foreign currency translation adjustment		—		—		6.6		6.6
Fair value of plan assets at end of year	$	81.3	$	—	$	77.1	$	158.4
Funded status at end of year	$	10.4	$	(4.4)	$	(6.6)	$	(0.6)
Accumulated other comprehensive loss	$	24.7	$	1.3	$	11.8	$	37.8

Amounts recognized in the Consolidated Balance Sheets consisted of the following:

	May 31,
	2022		2021
Other non-current assets	$	9.7	$	10.4
Accrued liabilities		(0.3)		(0.4)
Other liabilities		(3.4)		(10.6)
Funded status at end of year	$	6.0	$	(0.6)

The following tables provide the projected benefit obligation, accumulated benefit obligation, and fair value of plan assets for all pension plans with a projected benefit obligation or accumulated benefit obligation in excess of plan assets:

	May 31,
Projected benefit obligation in excess of plan assets	2022		2021
Projected benefit obligation	$	3.7	$	88.1
Fair value of plan assets		—		77.1

	May 31,
Accumulated benefit obligation in excess of plan assets	2022		2021
Projected benefit obligation	$	3.7	$	88.1
Accumulated benefit obligation		3.7		82.1
Fair value of plan assets		—		77.1

The accumulated benefit obligation for all pension plans was $116.5 million and $153.0 million at May 31, 2022 and 2021, respectively.

Net Periodic Benefit Cost

Pension expense charged to the Consolidated Statements of Income includes the following components:

	For the Year Ended May 31, 2022
	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Service cost	$	0.3	$	—	$	1.2	$	1.5
Interest cost		2.0		0.1		1.0		3.1
Expected return on plan assets		(5.0)		—		(2.5)		(7.5)
Settlements		1.4		—		—		1.4
Recognized net actuarial loss		1.2		0.1		0.2		1.5
	$	(0.1)	$	0.2	$	(0.1)	$	—

	For the Year Ended May 31, 2021
	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Service cost	$	0.3	$	—	$	2.2	$	2.5
Interest cost		2.1		0.1		0.9		3.1
Expected return on plan assets		(4.8)		—		(1.8)		(6.6)
Settlements		0.9		—		—		0.9
Recognized net actuarial loss		1.5		0.1		0.7		2.3
	$	—	$	0.2	$	2.0	$	2.2

	For the Year Ended May 31, 2020
	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Service cost	$	0.6	$	—	$	2.2	$	2.8
Interest cost		2.6		0.1		1.1		3.8
Expected return on plan assets		(4.9)		—		(1.9)		(6.8)
Settlements		1.5		—		—		1.5
Recognized net actuarial loss		1.2		0.1		0.7		2.0
	$	1.0	$	0.2	$	2.1	$	3.3

The non-service cost components above are classified in Other income (expense), net on the Statements of Income.

Assumptions

The assumptions used in accounting for our plans are estimates of factors including, among other things, the amount and timing of future benefit payments. The following table presents the weighted-average discount rate assumptions used in the measurement of our projected benefit obligations:

	May 31,
	2022		2021
U.S. plans	2.96	%	2.87	%
Netherlands plan	2.80		1.20

A summary of the weighted-average assumptions used to determine net periodic pension expense is as follows:

	For the Year Ended
	May 31,
	2022		2021		2020
Discount rate:
U.S. plans	2.87	%	2.83	%	3.67	%
Netherlands plan	1.20		1.20		1.50
Expected long-term rate on plan assets:
U.S. plans	7.25	%	7.25	%	7.25	%
Netherlands plan	3.30		2.50		2.90

The discount rate was determined by discounting the expected future benefit payments and settlements for the projected benefit obligation, discounting those expected payments using a theoretical zero-coupon spot yield curve derived from a universe of high-quality bonds as of the measurement date, and solving for the single equivalent discount rate that resulted in the same projected benefit obligation.

Plan Assets

The assets of U.S pension plans are invested in compliance with the Employee Retirement Income Security Act of 1974.  Prior to the decision to terminate the Merged U.S. Plan, the investment goals were to provide a total return that, over the long term, optimizes the long-term return on plan assets at an acceptable risk, and to maintain a broad diversification across asset classes and among investment managers.  The assets of the U.S. pension plans were invested primarily in equity and fixed income mutual funds, individual common stocks, and fund-of-funds hedge funds.

In conjunction with the decision to terminate the Merged U.S. Plan, our investment policy was amended and the asset allocations was significantly changed and invested primarily in cash and fixed income investments to hedge changes in interest rates and maintain the positive funded status of the Merged U.S. Plan while we complete the necessary steps to terminate the Merged U.S. Plan.

To develop our expected long-term rate of return assumption on Merged U.S. Plan, we use long-term historical return information for our targeted asset mix and current market conditions as of the measurement date.  The expected return for each asset class is weighted based on the target asset allocation to develop the expected long-term rate of return on plan assets assumption.  

The assets of the Netherlands Plan are invested in funds-of-funds where each fund holds a portfolio of equity and fixed income mutual funds.

The following table sets forth by level, within the fair value hierarchy, pension plan assets at their fair value as of May 31, 2022:

	Level 1(1)		Level 2(2)		Level 3(3)		Total
Fixed income:
Government securities and corporate bond mutual funds	$	—	$	49.6	$	—	$	49.6
Funds-of-funds		—		45.9		—		45.9
Insurance annuities		—		—		11.3		11.3
Cash and cash equivalents		14.6		—		—		14.6
	$	14.6	$	95.5	$	11.3		121.4
Other investments measured at net asset value (4)								4.8
Total pension plan assets							$	126.2

The following table sets forth by level, within the fair value hierarchy, pension plan assets at their fair value as of May 31, 2021:

	Level 1(1)		Level 2(2)		Level 3(3)		Total
Equity securities:
U.S. mutual funds	$	40.3	$	—	$	—	$	40.3
International mutual funds		11.1		—		—		11.1
Fixed income:
Government securities and corporate bond mutual funds		—		13.3		—		13.3
Funds-of-funds		—		61.3		—		61.3
Insurance annuities		—				15.6		15.6
Cash and cash equivalents		0.7		—		—		0.7
	$	52.1	$	74.6	$	15.6		142.3
Other investments measured at net asset value (4)								16.1
Total pension plan assets							$	158.4

(1) Quoted prices in active markets for identical assets that we have the ability to access as of the reporting date.

(2) Inputs other than quoted prices included within Level 1 that are directly observable for the asset or indirectly observable through corroboration with observable market data.

(3) Unobservable inputs, such as internally developed pricing models or third party valuations for the asset due to little or no market activity for the asset.

(4) Other investments measured at net asset value included alternative investments, such as hedge funds, which are valued using the net asset value as a practical expedient.

The following table presents the reconciliation of Level 3 pension assets and other investments measured at net asset value for the fiscal years ended May 31, 2022 and 2021:

	Hedge		Fund-of-		Insurance
	Funds		funds		Annuities		Total
Balance as of May 31, 2020	$	4.3	$	8.5	$	11.7	$	24.5
Purchases		—		—		3.9		3.9
Return on plan assets related to assets still held at May 31, 2021		0.8		2.5		—		3.3
Balance as of May 31, 2021		5.1		11.0		15.6		31.7
Sales		—		(11.0)		(4.3)		(15.3)
Return on plan assets related to assets still held at May 31, 2022		(0.3)		—		—		(0.3)
Balance as of May 31, 2022	$	4.8	$	—	$	11.3	$	16.1

Valuation Techniques Used to Determine Fair Value

Cash equivalents are investments with maturities of three months or less when purchased. The fair values are based on observable market prices and categorized as Level 1.

With respect to individually held equity securities, including investments in U.S. and international securities, the trustees obtain prices from pricing services, whose prices are obtained from direct feeds from market exchanges, which we are able to independently corroborate. Equity securities held individually are primarily traded on exchanges that contain only actively traded securities, due to the volume trading requirements imposed by these exchanges. Equity securities are valued based on quoted prices in active markets and categorized as Level 1.

Equity and fixed income mutual funds are maintained by investment companies that hold certain investments in accordance with a stated set of fund objectives, which are consistent with our overall investment strategy. The values of some of these funds are publicly quoted. For equity and fixed income mutual funds which are publicly quoted, the funds are valued based on quoted prices in active markets and have been categorized as Level 1. As certain of our funds-of-funds investments are also derived from quoted prices in active markets, we have categorized certain funds-of-funds investments as Level 2.

Insurance annuities require the utilization of unobservable inputs, including undiscounted cash flow techniques which results in Level 3 treatment in the fair value hierarchy.

Hedge fund investments include those seeking to maximize absolute returns using a broad range of strategies to enhance returns and provide additional diversification. The fair value of hedge funds is determined using net asset value or its equivalent subject to certain restrictions, such as a lock-up period and a redemption notice period.

Future Benefit Payments and Funding

The following table summarizes our estimated future pension payments by fiscal year:

	Fiscal Year
											2028 to
	2023		2024		2025		2026		2027		2032
Estimated future pension payments	$	6.5	$	59.8	$	2.5	$	2.6	$	2.8	$	12.8

The estimated payments in fiscal 2024 reflect the projected timing of the planned termination of the Merged U.S. Plan and transfer of its assets and obligations to a third party.

Our contribution policy for the domestic plans is to contribute annually, at a minimum, an amount which is deductible for federal income tax purposes and that is sufficient to meet actuarially computed pension benefits. For our Netherlands Plan, our policy is to fund at least the minimum amount required by the local laws and regulations. We anticipate contributing approximately $0.3 million to our pension plans during fiscal 2023.

Defined Contribution Plans

Our U.S. defined contribution plans are intended to qualify as a 401(k) plans under the Internal Revenue Code.  Employees may contribute up to 75% of their pretax compensation, subject to applicable regulatory limits and we may make discretionary matching contributions up to 5% of employee compensation.  We modified the contribution structure in fiscal 2020 to eliminate the profit-sharing contribution for future years.  Our contributions vest on a pro-rata basis during the first three years of employment.  We also maintain a non-qualified retirement plan that makes up 401(k) benefits that would otherwise be lost as a result of Internal Revenue Code limits and provides additional employer contributions for certain executives and key employees to supplement the benefits provided by the defined contribution plans.  

In response to the impact from COVID-19, we temporarily suspended our matching contributions to the defined contribution plans effective June 1, 2020. Contributions were reinstated effective December 1, 2020. Expense charged to the Consolidated Statements of Income for our matching contributions, including profit-sharing contributions, was $7.3 million in fiscal 2022, $4.0 million in fiscal 2021 and $11.6 million in fiscal 2020 for these plans.

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Accumulated Other Comprehensive Loss

12 Months Ended

May 31, 2022

Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss

9.  Accumulated Other Comprehensive Loss

Changes in our accumulated other comprehensive loss (“AOCL”) by component for each of the years in the three-year period ended May 31, 2022 were as follows (all amounts are net of tax):

	Currency
	Translation
	Adjustments		Pension Plans		Total
Balance as of June 1, 2019	$	(2.1)	$	(38.8)	$	(40.9)
Other comprehensive loss before reclassifications		0.1		(5.0)		(4.9)
Amounts reclassified from AOCL		—		1.2		1.2
Total other comprehensive loss		0.1		(3.8)		(3.7)
Balance as of May 31, 2020		(2.0)		(42.6)		(44.6)
Other comprehensive income (loss) before reclassifications		5.9		4.4		10.3
Amounts reclassified from AOCL		—		16.0		16.0
Total other comprehensive income (loss)		5.9		20.4		26.3
Balance as of May 31, 2021		3.9		(22.2)		(18.3)
Other comprehensive income before reclassifications		(6.7)		4.6		(2.1)
Amounts reclassified from AOCL		—		0.8		0.8
Total other comprehensive loss		(6.7)		5.4		(1.3)
Balance as of May 31, 2022	$	(2.8)	$	(16.8)	$	(19.6)

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Other Non-current Assets

12 Months Ended

May 31, 2022

Other Non-current Assets

Other Non-current Assets

10. Other Non-current Assets

At May 31, 2022 and 2021, other non-current assets consisted of the following:

	May 31,
	2022		2021
Contract assets	$	22.5	$	21.6
License fees		22.2		25.0
Investments in joint ventures		20.0		18.3
Assets under deferred compensation plan		12.4		12.6
Pension assets		9.8		10.4
Other		10.9		10.9
	$	97.8	$	98.8

Investments in Aircraft Joint Ventures

Under the terms of servicing agreements with certain of our aircraft joint ventures, we provide administrative services and technical advisory services, including aircraft evaluations, oversight and logistical support of the maintenance process and records management.  We also provide evaluation and inspection services prior to the purchase of an aircraft and remarketing services with respect to the divestiture of aircraft by the joint ventures.  During fiscal 2022, 2021, and 2020, we were paid $1.1 million, $1.0 million, and $1.6 million, respectively, for such services.

In the fourth quarter of fiscal 2022, we acquired an aircraft and two engines from one of our aircraft joint ventures for $16.8 million, net of $0.2 million in remarketing fees earned on the purchase, and then sold the assets for $17.0 million.

Investment in Indian Joint Venture

Our investments in joint ventures include $11.7 million for our 40% ownership interest in a joint venture in India to develop and operate an airframe maintenance facility.  The facility received certain regulatory approvals and commenced airframe maintenance operations in the second quarter of fiscal 2022.

The investment balance as of May 31, 2022 includes $9.0 million related to the guarantee liability recognized in conjunction with our guarantee of 40% of the Indian joint venture’s debt.  The Indian joint venture is accounted for using the equity method.  In addition, each of the partners in the Indian joint venture has a loan to the joint venture proportionate to its equity ownership.  Our loan to the Indian joint venture under this arrangement was $3.2 million as of May 31, 2022.

We account for our share of the earnings or losses of the Indian joint venture with a reporting lag of two months, as the financial statements of the Indian joint venture are not completed on a basis that is sufficient for us to apply the equity method on a current basis.

Our share of the Indian joint venture’s losses for fiscal 2022, 2021, and 2020 were $1.8 million, $0 million, and $0.1 million, respectively.

Investment in Malaysian Joint Venture

In the fourth quarter of fiscal 2020, we made the decision to exit our joint venture which operates a landing gear wheel and brake repair and overhaul facility in Malaysia.  In conjunction with the decision to exit the joint venture, we recognized an impairment charge of $1.9 million reflecting the anticipated net proceeds from our investment. During fiscal 2022, we decided to pursue a shutdown of the joint venture and recognized additional impairment charges and related shutdown costs of $0.7 million.

License Fees

In June 2011, we entered into a ten-year agreement with Unison Industries (“Unison”) to be the exclusive worldwide aftermarket distributor for Unison’s electrical components, sensors, switches and other systems for aircraft and industrial uses.  In June 2020, we entered into an extension and expansion of our agreement with Unison including a new termination date of December 31, 2031, an initial $25.0 million license fee paid in June 2020 to Unison, and annual license fees at a fixed percentage of our net sales of Unison products.  The June 2020 payment of $25.0 million was capitalized and is being amortized on a straight-line basis over the term of the new agreement. As of May 31, 2022, the unamortized balance of the license is $21.3 million.

Split-Dollar Life Insurance Arrangements

We previously entered into split-dollar life insurance agreements to benefit certain former executives and officers.  Under the terms of the arrangements, we made premium payments on the individuals’ behalf and we retained a collateral interest in the policies generally to the extent of the premiums we previously paid.  As of May 31, 2022, our Consolidated Balance Sheet included $5.5 million in Other non-current assets for cumulative premiums paid and expected to be reimbursed upon termination of the policies.

During the second quarter of fiscal 2021, certain split-dollar life insurance agreements were terminated and we received $12.0 million for reimbursement of both the life insurance premiums we previously paid and a portion of our prior tax payments made on the individuals’ behalf related to their imputed income on the policies.  The reimbursement of the premiums paid of $10.0 million has been classified as cash flow from investing activities with the remainder included in cash flow from operating activities as it represents the reimbursement of a portion of the income taxes previously paid and expensed.  In the second quarter of fiscal 2021, we recognized a benefit of $1.3 million in Selling, general and administrative expenses on the Consolidated Statement of Income for the net recovery of the taxes previously paid on behalf of the individuals.

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Leases

12 Months Ended

May 31, 2022

Leases

Leases

11. Leases

We lease facilities, offices, vehicles, and equipment.  We determine at inception whether an arrangement that provides us control over the use of an asset is a lease.  ROU assets and lease liabilities are recognized on the Consolidated Balance Sheet at lease commencement date based on the present value of the future minimum lease payments over the lease term.  Our lease agreements do not provide a readily determinable implicit rate nor is it available to us from our lessors.  We estimate our incremental borrowing rate based on information available at lease commencement in order to discount lease payments to present value.

Our lease costs are allocated over the remaining lease term on a straight-line basis unless another systematic or rational basis is more representative of the pattern in which the underlying asset is expected to be used. Variable lease costs are expensed in the period in which the obligation for those payments are incurred. ROU assets are evaluated for impairment in a manner consistent with the treatment of other long-lived assets.

Certain leases include options to renew or extend the terms of the lease, which are included in the determination of the ROU assets and lease liabilities when it is reasonably certain that the option will be exercised. Our leases may also include variable lease payments such as escalation clauses based on consumer price index rates, maintenance costs and utilities. Variable lease payments that depend on an index or a rate are included in the determination of ROU assets and lease liabilities using the index or rate at the lease commencement date, whereas variable lease payments that do not depend on an index or rate are recorded as lease expense in the period incurred.  Our lease agreements do not contain any significant residual value guarantees or restrictive covenants.

The summary of our operating lease cost is as follows:

	For the Year Ended May 31,
	2022		2021		2020
Operating lease cost	$	20.8	$	16.4	$	18.4
Short-term lease cost		2.2		1.7		5.3
Variable lease cost		9.2		3.5		7.4
	$	32.2	$	21.6	$	31.1

With the exception of a land lease for one of our airframe maintenance facilities that expires in 2108, our operating leases expire at various dates through 2034.  Maturities of our operating lease payments as of May 31, 2022 are as follows:

2023	$	13.6
2024		12.4
2025		11.0
2026		9.2
2027		8.5
Thereafter		25.5
Total undiscounted payments		80.2
Less: Imputed interest		(11.7)
Present value of minimum lease payments		68.5
Less: Operating lease liabilities – current		(11.1)
Operating lease liabilities – non-current	$	57.4

The current portion of operating lease liabilities are presented within Accrued liabilities on our Consolidated Balance Sheets.

Excluding leases related to our discontinued operations, our weighted-average remaining lease term and weighted-average discount rate are as follows:

	May 31,
	2022	2021
Remaining lease term	7.6 years	8.5 years
Discount rate	3.7%	3.8%

Supplemental cash flow information related to leases was as follows:

	For the Year Ended May 31,
	2022		2021		2020
Cash paid for amounts included in the measurement of lease liabilities	$	14.1	$	15.3	$	16.5
Operating lease liabilities arising from obtaining ROU assets		9.5		5.2		13.0

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Commitments

12 Months Ended

May 31, 2022

Commitments

Commitments

12. Commitments

We enter into purchase obligations, which arise in the ordinary course of business and represent a binding commitment to acquire inventory, including raw materials, parts and components, as well as equipment to support the operations of our business. The aggregate amount of purchase obligations due in each of the next five fiscal years is $406.6 million in 2023, $79.3 million in 2024, $17.7 million in 2025, $0.9 in 2026 and $0.7 million in 2027.

We routinely issue letters of credit and performance bonds in the ordinary course of our business. These instruments are typically issued in conjunction with insurance contracts or other business requirements. The total of these instruments outstanding at May 31, 2022 was approximately $23.0 million which includes $12.9 million related to a guarantee of 40% of the outstanding debt of our Indian joint venture. We have recognized a current liability of $9.0 million based on the fair value of our guarantee obligation.

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Government Subsidies

12 Months Ended

May 31, 2022

Government Subsidies

Government Subsidies

13. Government Subsidies

On March 27, 2020, the Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) was enacted in the U.S. in response to the COVID-19 pandemic.  The CARES Act includes provisions relating to refundable payroll tax credits, deferral of the employer portion of certain payroll taxes, net operating loss carrybacks, and other areas. The payroll tax deferral requires that the deferred payroll taxes be paid over two years, with the first half, or $6.2 million, paid in December 2021 and the other half to be paid by December 31, 2022. As of May 31, 2022, we have deferred payroll taxes of $6.2 million which are included in Accrued Liabilities on our Consolidated Balance Sheet.

During the three-month period ended August 31, 2020, we received $57.2 million from the U.S. Treasury Department through the Payroll Support Program under the CARES Act.  This funding included a $48.5 million cash grant which was to be used exclusively for the continuation of payment of employee wages, salaries and benefits for employees of certain MRO facilities.  The grant was recognized as contra-expense on our Consolidated Statement of Income as the eligible wages, salaries and benefits were incurred.  In fiscal 2021, we recognized the full amount of the grant as contra-expense within Cost of sales and Selling, general and administrative expenses of $47.5 million and $1.0 million, respectively.

The remaining funding of $8.7 million was a low interest 10-year senior unsecured promissory note (“Promissory Note”) which included interest at a rate per annum equal to the sum of (i) 1.0% for the first five years, and the applicable secured overnight financing rate plus 2.0% in years six through ten plus (ii) in kind interest of 3.0% for the first five years and increasing by 1.0% each year over the remaining term.  The Promissory Note was pre-payable at par at any time and we re-paid the Promissory Note in full during the fourth quarter of fiscal 2021. The restrictions previously applicable to us relating to dividends, stock repurchases, employee compensation, and certain workforce actions have lapsed.

Other countries have enacted legislation similar to the CARES Act to provide relief and stimulus measures to assist companies in mitigating the financial impact from COVID-19 and supporting their employees. In fiscal 2022 and 2021, our foreign subsidiaries recognized subsidies of $4.9 million and $7.9 million, respectively, from foreign governments which have been deducted from the related expenses on our Consolidated Statements of Income.

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Sale of Composites Business

12 Months Ended

May 31, 2022

Disposed of by sale | Composites Business

Sale of Business

Sale of Composites Business

14.  Sale of Composites Business

On August 31, 2020, we completed the sale of our aerostructures and aerospace products operations located in Clearwater, Florida and Sacramento, California (“Composites”). The Composites business was formerly included in our Expeditionary Services segment.

We recognized a loss on the sale of the Composites business of $19.5 million in the first quarter of fiscal 2021. In the fourth quarter of fiscal 2021, the post-closing working capital adjustment was finalized resulting in an additional loss of $0.7 million. The sale also included contingent consideration of up to $6.5 million based on the achievement of sales targets over a three-year period subsequent to the sale. We recognized a charge of $1.3 million in the three-month period ended November 30, 2021 to reflect the fair value of the contingent consideration at zero as it is unlikely the sales targets will be achieved.

In conjunction with the August 2020 sale, we retained a performance guarantee to a customer of the Composites business under an existing contract providing flap track fairings on the A220 aircraft (“A220 Contract”).  The term of the A220 Contract and our performance guarantee extend for the duration that A220 aircraft are in service and the customer continues to maintain support for the A220 aircraft.  The performance guarantee does not contain a financial cap.

In March 2022, the buyer of the Composites business filed for bankruptcy and moved to have the bankruptcy court reject the A220 Contract.  The buyer’s customer also notified us that they believe the buyer has failed to timely deliver products in accordance with the terms of the A220 Contract and that they have incurred losses, and will incur additional losses, related to the non-compliance that are covered by our performance guarantee.  The losses claimed include delay damages, incremental labor costs, legal expenses, and other related costs.

While we believe that we have numerous defenses available against this claim that we will vigorously pursue, it is reasonably possible that we will incur a loss from the performance guarantee.  Due to the preliminary nature of the claim we are unable, however, to estimate a range of loss on the performance guarantee.  There can be no assurance that the performance guarantee will not have a material adverse effect on our operations, financial position and cash flows.

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Business Segment Information

12 Months Ended

May 31, 2022

Business Segment Information

Business Segment Information

15. Business Segment Information

Segment Reporting

Consistent with how our chief operating decision making officer (Chief Executive Officer) evaluates performance and the way we are organized internally, we report our activities in two segments:  Aviation Services comprised of supply chain and MRO activities and Expeditionary Services comprised of manufacturing activities.

The Aviation Services segment consists of aftermarket support and services offerings that provide spare parts and maintenance support for aircraft operated by our commercial and government/defense customers.  Sales in the Aviation Services segment are derived from the sale and lease of a wide variety of new, overhauled and repaired engine and airframe parts and components to the commercial aviation and government and defense markets.  We provide customized inventory supply chain management, performance-based logistics programs, customer fleet management and operations, and aircraft component repair management services.  The segment also includes repair, maintenance and overhaul of aircraft, landing gear and components.  Cost of sales consists principally of the cost of product, direct labor, and overhead.

The Expeditionary Services segment consists of primarily manufacturing operations with sales derived from the design and manufacture of pallets, shelters, and containers used to support the U.S. military’s requirements for a mobile and agile force including engineering, design, and system integration services for specialized command and control systems.  Cost of sales consists principally of the cost of material to manufacture products, direct labor and overhead.

The accounting policies for the segments are the same as those described in Note 1.  Our chief operating decision making officer (Chief Executive Officer) evaluates performance based on the reportable segments and utilizes gross profit as a primary profitability measure.  Gross profit is calculated by subtracting cost of sales from sales.  The assets and certain expenses related to corporate activities are not allocated to the segments.  Our reportable segments are aligned principally around differences in products and services.

Selected financial information for each segment is as follows:

	For the Year Ended May 31,
	2022		2021		2020
Net sales:
Aviation Services	$	1,745.8	$	1,553.7	$	1,964.2
Expeditionary Services		74.2		98.6		107.8
	$	1,820.0	$	1,652.3	$	2,072.0

	For the Year Ended May 31,
	2022		2021		2020
Gross profit:
Aviation Services	$	297.5	$	263.2	$	267.3
Expeditionary Services		15.7		12.7		1.9
	$	313.2	$	275.9	$	269.2

	May 31,
	2022		2021
Total assets:
Aviation Services	$	1,367.3	$	1,357.2
Expeditionary Services		74.8		73.0
Corporate and discontinued operations		131.8		109.5
	$	1,573.9	$	1,539.7

	For the Year Ended May 31,
	2022		2021		2020
Capital expenditures:
Aviation Services	$	16.2	$	8.1	$	16.9
Expeditionary Services		1.0		3.1		5.4
Corporate		0.1		0.1		1.3
	$	17.3	$	11.3	$	23.6

	For the Year Ended May 31,
	2022		2021		2020
Depreciation and amortization:1
Aviation Services	$	31.2	$	33.7	$	39.2
Expeditionary Services		1.6		2.3		3.7
Corporate		8.5		9.5		8.1
	$	41.3	$	45.5	$	51.0

1 Includes amortization of stock-based compensation.

Reconciliations of our segment gross profit to income from continuing operations before provision for income taxes is as follows:

	For the Year Ended May 31,
	2022		2021		2020
Segment gross profit	$	313.2	$	275.9	$	269.2
Provision for credit losses		(1.2)		(8.5)		(5.4)
Selling, general and administrative		(202.2)		(182.4)		(220.6)
Earnings (Loss) from joint ventures		(2.9)		0.2		(1.9)
Losses related to sale and exit of business		(1.7)		(20.2)		—
Other income (expenses), net		2.2		4.3		(2.1)
Interest expense		(2.4)		(5.0)		(9.3)
Interest income		0.1		0.2		0.5
Income from continuing operations before provision for income taxes	$	105.1	$	64.5	$	30.4

The U.S. Department of Defense, U.S. Department of State, other U.S. government agencies and their contractors are our only customers representing 10% or more of total sales in any of the last three fiscal years.  Sales by segment for these customers are as follows:

	For the Year Ended May 31,
	2022			2021			2020
Aviation Services	$	557.4		$	657.0		$	588.7
Expeditionary Services		62.6			81.8			79.5
	$	620.0		$	738.8		$	668.2
Percentage of total sales		34.1	%		44.7	%		32.2	%

Sales across the major customer markets for each of our operating segments were as follows:

	For the Year Ended May 31,
	2022		2021		2020
Aviation Services:
Commercial	$	1,081.6	$	793.9	$	1,268.9
Government and defense		664.2		759.8		695.3
	$	1,745.8	$	1,553.7	$	1,964.2
Expeditionary Services:
Commercial	$	2.2	$	12.5	$	24.3
Government and defense		72.0		86.1		83.5
	$	74.2	$	98.6	$	107.8

Sales by type of product/service was as follows:

	For the Year Ended May 31,
	2022		2021		2020
Aviation supply chain	$	1,275.1	$	1,172.7	$	1,434.3
Maintenance, repair and overhaul services		470.7		381.0		529.9
Mobility products		74.2		98.6		107.8
	$	1,820.0	$	1,652.3	$	2,072.0

Geographic Data

Sales by geographic region for the fiscal years ended May 31, 2022, 2021 and 2020 were as follows:

	For the Year Ended May 31,
	2022		2021		2020
Aviation Services:
North America	$	1,346.2	$	1,255.7	$	1,505.6
Europe/Africa		223.7		207.5		330.8
Other		175.9		90.5		127.8
	$	1,745.8	$	1,553.7	$	1,964.2
Expeditionary Services:
North America	$	74.0	$	95.9	$	98.4
Europe/Africa		0.2		2.6		9.0
Other		—		0.1		0.4
	$	74.2	$	98.6	$	107.8

	May 31,
	2022		2021
Long-lived assets:
United States	$	400.4	$	419.1
Europe		74.3		83.1
Other		92.0		100.5
	$	566.7	$	602.7

Sales to unaffiliated customers in foreign countries (including sales through foreign sales offices of domestic subsidiaries) were approximately $484.5 million (26.6% of sales), $370.5 million (22.4% of sales) and $591.8 million (28.6% of sales) in fiscal 2022, 2021 and 2020, respectively.

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Legal Proceedings and Other Matters

12 Months Ended

May 31, 2022

Legal Proceedings and Other Matters

Legal Proceedings and Other Matters

16.  Legal Proceedings and Other Matters

We are involved in various claims and legal actions, including environmental matters, arising in the ordinary course of business. We are not a party to any material pending legal proceeding (including any governmental or environmental proceeding) other than routine litigation incidental to our business except for the following:

Department of Justice Investigation

As previously reported, the U.S. Department of Justice (“DoJ”), acting through the U.S. Attorney’s Office for the Southern District of Illinois, conducted an investigation of AAR Airlift Group, Inc. (“Airlift”), a wholly-owned subsidiary of AAR CORP., under the federal civil False Claims Act (“FCA”). The investigation related to Airlift’s performance of several contracts awarded by the U.S. Transportation Command (“TRANSCOM”) concerning the operations and maintenance of rotary-wing and fixed-wing aircraft in Afghanistan and Africa, as well as several U.S. Navy contracts. In June 2018, the DoJ informed Airlift that part of the investigation was precipitated by a lawsuit filed under the qui tam provisions of the FCA by a former employee of Airlift.

In June 2021, Airlift and the DoJ reached an agreement to settle the FCA investigation and related matters for approximately $11.5 million which concluded the DoJ investigation into Airlift’s contracts with TRANSCOM and the U.S. Navy.  As part of the settlement, Airlift and AAR did not admit any wrongdoing.

We recognized charges of $11.0 million in discontinued operations in fiscal 2021 related to this agreement and related matters with payment for the entire matter made in the first quarter of fiscal 2022.

Self-Reporting of Potential Foreign Corrupt Practices Act Violations

The Company retained outside counsel to investigate possible violations of the Company’s Code of Conduct, the U.S. Foreign Corrupt Practices Act, and other applicable laws, relating to the Company’s activities in Nepal and South Africa.  Based on these investigations, in fiscal 2019, we self-reported these matters to the DoJ, the U.S. Securities and Exchange Commission and the UK Serious Fraud Office.  The Company is fully cooperating with the reviews by these agencies, although we are unable at this time to predict what action, if any, they may take.

Russian Bankruptcy Litigation

During calendar years 2016 and 2017, certain of the Company’s subsidiaries purchased four engines from VIM-AVIA Airlines, LLC (“VIM-AVIA”), a company organized in Russia.  Subsequent to the purchase of the engines, VIM-AVIA declared bankruptcy in Russian courts, and shortly thereafter the receiver of the VIM-AVIA bankruptcy estate and one of the major creditors of VIM-AVIA filed a claw-back action against our subsidiaries alleging that the contracts entered into with VIM-AVIA in the 2016-2017 timeframe are invalid.  The clawback action alleges that our subsidiaries owe the VIM-AVIA bankruptcy estate approximately $13 million, the alleged fair market value of the four engines at the time of sale.    

The Company strongly disputes all claims asserted in the clawback action, believes it has meritorious defenses, and is vigorously defending itself in the Russian court system.  However, with the developments in the Russia/Ukraine conflict, the U.S. and its North Atlantic Treaty Organization allies imposed a range of sanctions and export controls in late February on Russian entities and individuals.  These sanctions and export controls have resulted in heightened tensions between the United States and Russia and a hostile business and legal environment for foreign companies in Russia.  As a result, we now believe that a loss related to this matter is reasonably possible, rather than remote, although we are not able to estimate of the range of possible losses at this time.

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Summary of Significant Accounting Policies (Policies)

12 Months Ended

May 31, 2022

Summary of Significant Accounting Policies

Principles of Consolidation

Principles of Consolidation

The accompanying Consolidated Financial Statements include the accounts of the Company and its majority-owned subsidiaries after elimination of intercompany accounts and transactions.

Certain reclassifications have been made to the prior year presentation to conform to the 2022 presentation.

New Accounting Pronouncements Adopted

New Accounting Pronouncements Adopted

In February 2016, the FASB issued ASU No. 2016-02, Leases (“ASC 842”), which amended the existing accounting standards for lease accounting.  ASC 842 requires lessees to recognize a right-of-use (“ROU”) asset and lease liability on the balance sheet for most lease arrangements, including those classified as operating leases.  In addition, ASC 842 requires new qualitative and quantitative disclosures about our leasing activities.  

We adopted ASC 842 on June 1, 2019 using the modified retrospective transition approach.  Under that approach, prior periods were not restated and continue to be reported under the accounting standards in effect for those periods.  We elected the package of practical expedients, which must be elected as a package and applied consistently to all leases.  This package permitted us to not reassess our prior conclusions about lease identification, lease classification and initial direct costs. In addition, we elected the practical expedients to not separate lease and non-lease components for both lessee and lessor relationships and to not apply the recognition requirements to leases with terms of twelve months or less.

Upon adoption of ASC 842 on June 1, 2019, we recognized operating lease ROU assets of $123.2 million and operating lease liabilities of $116.8 million on our Consolidated Balance Sheet. These amounts included operating lease ROU assets of $26.6 million and operating lease liabilities of $25.3 million related to our discontinued operations. In addition, we recognized the remaining unamortized deferred gains of $2.5 million, net of tax, associated with sale-leaseback transactions as a cumulative effect adjustment to the opening balance of retained earnings as of June 1, 2019. The adoption of ASC 842 did not have a material impact on the Consolidated Statements of Income or Cash Flows.

Revenue Recognition

Revenue Recognition

Revenue is measured based on consideration specified in a contract with a customer, and excludes any sales incentives and amounts collected on behalf of third parties. We recognize revenue when we satisfy a performance obligation by transferring control over a product or service to a customer.  

Our unit of accounting for revenue recognition is a performance obligation included in our customer contracts.  A performance obligation reflects the distinct good or service that we must transfer to a customer.  At contract inception, we evaluate if the contract should be accounted for as a single performance obligation or if the contract contains multiple performance obligations.  In some cases, our contract with the customer is considered one performance obligation as it includes factors such as whether the good or service being provided is significantly integrated with other promises in the contract, whether the service provided significantly modifies or customizes another good or service or whether the good or service is highly interdependent or interrelated.  If the contract has more than one performance obligation, we determine the standalone price of each distinct good or service underlying each performance obligation and allocate the transaction price based on their relative standalone selling prices.

The transaction price of a contract, which can include both fixed and variable amounts, is allocated to each performance obligation identified.  Some contracts contain variable consideration, which could include incremental fees or penalty provisions related to performance.  Variable consideration that can be reasonably estimated based on current assumptions and historical information is included in the transaction price at the inception of the contract but limited to the amount that is probable that a significant reversal in the amount of cumulative revenue recognized will not occur.  Variable consideration that cannot be reasonably estimated is recorded when known.

Our performance obligations are satisfied over time as work progresses or at a point in time based on transfer of control of products and services to our customers.  The majority of our sales from products typically represent distinct performance obligations and are recognized at a point in time upon transfer of control to the customer, which generally occurs upon shipment.  In connection with certain sales of products, we also provide logistics services, which include inventory management, replenishment, and other related services.  The price of such services is generally included in the price of the products delivered to the customer, and revenues are recognized upon delivery of the product, at which point the customer has obtained control of the product.  We do not account for these services separate from the related product sales as the services are inputs required to fulfill part orders received from customers.

For our performance obligations that are satisfied over time, we measure progress in a manner that depicts the performance of transferring control to the customer. As such, we utilize the input method of cost-to-cost to recognize revenue over time as this depicts when control of the promised goods or services are transferred to the customer.  Revenue is recognized based on the relationship of actual costs incurred to date to the estimated total cost at completion of the performance obligation.

We are required to make certain judgments and estimates, including estimated revenues and costs, as well as inflation and the overall profitability of the arrangement.  Key assumptions involved can include customer volume, future labor costs and efficiencies, repair or overhaul costs, overhead costs, and ultimate timing of product delivery.  Differences may occur between the judgments and estimates made by management and actual program results.  For contracts that are deemed to be loss contracts, we establish forward loss reserves for total estimated costs that are in excess of total estimated consideration in the period in which they become known.

We utilize the portfolio approach to estimate the amount of revenue to recognize for certain contracts which require over-time revenue recognition.  Such contracts are grouped together either by revenue stream, customer or product line with each portfolio of contracts grouped together based on having similar characteristics. The portfolio approach is utilized only when the result of the accounting is not expected to be materially different than if applied to individual contracts.

We also may enter into offset agreements or conditions as part of obtaining orders for our products and services from certain government customers in foreign countries.  These agreements are designed to enhance the social and economic environment of the foreign country by requiring the contractor to promote investment in the country.  These agreements also may be satisfied through our use of cash or other means of providing financial support for in-country projects with local companies.  The amounts ultimately applied against our offset agreements are based on negotiations with the customer and satisfaction of our offset obligations are included in the estimates of our total costs to complete the contract.

When contracts are modified, we consider whether the modification either creates new or changes the existing enforceable rights and obligations. Contract modifications that are for goods or services that are not distinct from the existing contract, due to the significant integration with the original goods or services provided, are accounted for as if they were part of that existing contract with the effect of the contract modification recognized as an adjustment to revenue on a cumulative catch-up basis. When the modifications include additional performance obligations that are distinct, they are accounted for as a new contract and performance obligation, which are recognized prospectively.

Certain contracts with customers have options for the customer to acquire additional goods or services. In most cases, the pricing of these options are reflective of the standalone selling price of the good or service. These options do not provide the customer with a material right and are accounted for only when the customer exercises the option to purchase the additional goods or services.  If the option on the customer contract was not indicative of the standalone selling price of the good or service, the material right would be accounted for as a separate performance obligation.

Under most of our U.S. government contracts, if the contract is terminated for convenience, we are entitled to payment for items delivered and fair compensation for work performed, the costs of settling and paying other claims, and a reasonable profit on the costs incurred or committed.

In the ordinary course of business, agencies of the U.S. and other governments audit our claimed indirect costs and conduct inquiries and investigations of our business practices with respect to government contracts to determine whether our operations are conducted in accordance with these requirements and the terms of the relevant contracts. U.S. government agencies, including the Defense Contract Audit Agency (“DCAA”), routinely audit our claimed indirect costs, for compliance with the Cost Accounting Standards and the Federal Acquisition Regulations. These agencies also conduct reviews and investigations and make inquiries regarding our accounting and other systems in connection with our performance and business practices with respect to our government contracts and subcontracts. As of May 31, 2022, our Consolidated Balance Sheet included $2.6 million of reserves for estimated adjustments to claimed indirect costs.

Costs to fulfill and obtain a contract are considered for capitalization based on contract specific facts and circumstances.  The incremental costs to fulfill a contract, including setup and implementation costs prior to beginning the period of performance, may be capitalized when expenses are incurred prior to the start of satisfying a performance obligation.  The capitalized costs are subsequently expensed over the contract’s period of performance.

We have elected to use certain practical expedients permitted under ASC 606.  Shipping and handling fees and costs incurred associated with outbound freight after control over a product has transferred to a customer are accounted for as a fulfillment cost and are included in Cost of sales on our Consolidated Statements of Income, and are not considered a performance obligation to our customers.  Our reported sales on our Consolidated Statements of Income are net of any sales or related non-income taxes.  We also utilize the “as invoiced” practical expedient in certain cases where performance obligations are satisfied over time and the invoiced amount corresponds directly with the value we are providing to the customer.

Cumulative Catch-up Adjustments

Changes in estimates and assumptions related to our arrangements accounted for using the cost-to-cost method are recorded using the cumulative catch-up method of accounting. These changes are primarily adjustments to the estimated profitability for our long-term programs where we provide component inventory management, supply chain logistics programs, and/or repair services.

Favorable and unfavorable cumulative catch-up adjustments were as follows:

	May 31,
	2022		2021		2020
Favorable cumulative catch-up adjustments	$	15.0	$	16.1	$	6.1
Unfavorable cumulative catch-up adjustments		(5.0)		(4.1)		(2.2)
Net cumulative catch-up adjustments	$	10.0	$	12.0	$	3.9

Contract Assets and Liabilities

The timing of revenue recognition, customer billings, and cash collections results in a contract asset or contract liability at the end of each reporting period. For instances where we recognize revenue prior to having an unconditional right to payment, we record a contract asset or liability. When an unconditional right to consideration exists, we reduce our contract asset or liability and recognize an unbilled or trade receivable. When amounts are dependent on factors other than the passage of time in order for payment from a customer to be due, we record a contract asset which consists of costs incurred where revenue recognized over time using the cost-to-cost model exceeds the amounts billed to customers. Contract liabilities include advance payments and billings in excess of revenue recognized. Certain customers make advance payments prior to the satisfaction of our performance obligations on the contract.  These amounts are recorded as contract liabilities until such performance obligations are satisfied, either over time as costs are incurred or at a point in time when deliveries are made. Contract assets and contract liabilities are determined on a contract-by-contract basis.

Net contract assets and liabilities are as follows:

	May 31,
	2022	2021		Change
Contract assets – current	73.6	$	71.9	$	1.7
Contract assets – non-current	22.5		21.6		0.9
Contract liabilities – current	(20.5)		(25.9)		5.4
Deferred revenue on long-term contracts	(10.1)		(5.4)		(4.7)
Net contract assets	65.5	$	62.2	$	3.3

Contract assets – non-current is reported within Other non-current assets, contract liabilities – current is reported within Accrued Liabilities, and deferred revenue on long-term contracts is reported within Other liabilities on our Consolidated Balance Sheets.  Changes in contract assets and contract liabilities primarily result from the timing difference between our performance of services and payments from customers.

During fiscal 2022, 2021, and 2020, certain commercial power-by-the-hour (“PBH”) customer contracts were terminated or restructured resulting in charges of $5.2 million, $5.7 million and $31.3 million, respectively.  Some of these contracts were deemed loss contracts requiring the establishment of forward loss reserves for the total estimated costs that are in excess of the total estimated consideration over the remainder of the contracts. As of May 31, 2022, our Consolidated Balance Sheet included remaining forward loss reserves of $1.3 million in Accrued liabilities.

To support our PBH customer contracts, we previously entered into an agreement with a component repair facility to outsource a portion of the component repair and overhaul services. The agreement included certain minimum repair volume guarantees, which we have not met due to the impact of COVID-19 on commercial passenger aircraft flight hours.  During fiscal 2021, we recognized a $4.5 million charge to reflect our estimated obligation over the remainder of the agreement for not achieving the minimum volume guarantees. During fiscal 2022, we recognized a $1.7 million charge to increase the obligation reflecting the revised estimated shortfall on the minimum volume guarantee. As of May 31, 2022, our Consolidated Balance Sheet included remaining loss reserves of $3.1 million with $2.3 million classified as current in Accrued liabilities and $0.8 million classified as long-term in Other liabilities.

Changes in our deferred revenue were as follows:

	Year ended May 31,
	2022		2021
Deferred revenue at beginning of period	$	(31.3)	$	(99.2)
Revenue deferred		(259.0)		(251.4)
Revenue recognized		242.3		318.2
Other		17.4		1.1
Deferred revenue at end of period	$	(30.6)	$	(31.3)

Remaining Performance Obligations

As of May 31, 2022, we had approximately $850 million of remaining performance obligations, also referred to as firm backlog, which excludes unexercised contract options and potential orders under our indefinite-delivery, indefinite-quantity contracts.  We expect that approximately 45% of this backlog will be recognized as revenue over the next 12 months with approximately 55% of the remainder recognized over the next three years. The amount of remaining performance obligations that are expected to be recognized as revenue beyond 12 months, primarily relates to our long-term programs where we provide component inventory management, supply chain logistics programs, and/or repair services.

Financial Instruments and Concentrations of Market or Credit Risk

Financial Instruments and Concentrations of Market or Credit Risk

Financial instruments that potentially subject us to concentrations of market or credit risk consist principally of trade receivables.  While our trade receivables are diverse and represent a number of entities and geographic regions, the majority are with the U.S. government and its contractors and entities in the aviation industry.  The composition of our accounts receivable is as follows:

	May 31,
	2022		2021
U.S. Government contracts:
Trade receivables	$	31.6	$	24.1
Unbilled receivables		25.9		25.2
		57.5		49.3
All other customers:
Trade receivables		136.8		104.9
Unbilled receivables		19.7		12.5
		156.5		117.4
	$	214.0	$	166.7

The carrying amounts of cash and cash equivalents, accounts receivable, and accounts and trade notes payable approximate fair value because of the short-term maturity of these instruments.  The carrying value of long-term debt bearing a variable interest rate approximates fair value.

Fair value estimates are made at a specific point in time based on relevant market information about the financial instrument.  These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision.  Changes in assumptions could significantly affect the estimates.

Allowance for Credit Losses

Allowance for Credit Losses

We maintain an allowance for credit losses to reflect the expected uncollectibility of accounts receivable based on past collection history and specific risks identified among uncollected accounts. In determining the required allowance, we consider factors such as general and industry-specific economic conditions, customer credit history, and our customers’ current and expected future financial performance. The majority of our customers are recurring customers with an established payment history. Certain customers are required to undergo an extensive credit check prior to delivery of products or services.

Our allowance for credit losses also includes reserves for estimated product returns based on historical return rates. The reserve for estimated product returns is recognized as a reduction to sales with a corresponding reduction to cost of sales for the estimated cost of inventory that is expected to be returned.

We perform regular evaluations of customer payment experience, current financial condition, and risk analysis. We may require collateral in the form of security interests in assets, letters of credit, and/or obligation guarantees from financial institutions for transactions executed on other than normal trade terms. We also maintain trade credit insurance for certain customers to provide coverage, up to a certain limit, in the event of insolvency of some customers.

The change in our allowance for credit losses was as follows:

	May 31,
	2022		2021		2020
Balance, beginning of year	$	16.4	$	22.1	$	16.0
Provision charged to operations		1.2		8.5		5.4
Recoveries, deductions for accounts written off and other reclassifications		0.3		(14.2)		0.7
Balance, end of year	$	17.9	$	16.4	$	22.1

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

In accordance with ASC 350, Intangibles–Goodwill and Other, goodwill and other intangible assets deemed to have indefinite lives are not amortized, but are subject to annual impairment tests. We review and evaluate our goodwill and indefinite life intangible assets for potential impairment at a minimum annually, on May 31, or more frequently if circumstances indicate that impairment is possible.

As of May 31, 2022, we had three reporting units, which included two in our Aviation Services segment (Aviation Supply Chain and MRO) and one comprised of our Expeditionary Services segment. We utilized the qualitative assessment approach for all reporting units which considers general economic conditions, industry specific performance, changes in reporting unit carrying values, and assumptions used in the most recent fair value calculation. We concluded it was more likely than not that the fair value of each reporting unit exceeded its carrying value at May 31, 2022, and thus no impairment charges were recorded.

In fiscal 2020, we elected to forego the qualitative assessment due to the unprecedented impact of the COVID-19 pandemic and utilized a quantitative assessment approach for all reporting units. We estimated the fair value of each reporting unit using primarily an income approach based on discounted cash flows. The assumptions we used to estimate the fair value of our reporting units were based on historical performance, as well as forecasts used in our business plan and required considerable management judgment in light of the impact of COVID-19. We used discount rates based on our consolidated weighted average cost of capital which is adjusted for each of our reporting units based on their specific risk, size, and industry characteristics. The fair value measurements used for our goodwill impairment testing use significant unobservable inputs, which reflected our own assumptions about the inputs that market participants would use in measuring fair value. The fair value of our reporting units is also impacted by our overall market capitalization and may be impacted by volatility in our stock price and assumed control premium, among other items. We concluded the fair value of each reporting unit exceeded its carrying values as of May 31, 2020, and thus no impairment charges were recorded.

Changes in the carrying amount of goodwill by segment for fiscal 2022 and 2021 are as follows:

	Aviation		Expeditionary
	Services		Services		Total
Balance as of May 31, 2020	$	96.4	$	19.3	$	115.7
Sale of Composites		—		(0.5)		(0.5)
Foreign currency translation adjustments		4.1		—		4.1
Balance as of May 31, 2021		100.5		18.8		119.3
Foreign currency translation adjustments		(2.9)		—		(2.9)
Balance as of May 31, 2022	$	97.6	$	18.8	$	116.4

Intangible assets with finite useful lives are amortized on a straight-line basis over their estimated useful lives. Intangible assets, other than goodwill, are comprised of the following:

	May 31, 2022
			Accumulated
Amortizable intangible assets:	Gross		Amortization		Net
Customer relationships	$	11.3	$	(9.1)	$	2.2
Unamortized intangible assets:
Trademarks		1.1		—		1.1
	$	12.4	$	(9.1)	$	3.3

	May 31, 2021
			Accumulated
Amortizable intangible assets:	Gross		Amortization		Net
Customer relationships	$	23.0	$	(19.7)	$	3.3
Unamortized intangible assets:
Trademarks		1.2		—		1.2
	$	24.2	$	(19.7)	$	4.5

During fiscal 2020, we recognized an impairment charge of $5.4 million related to the exit of certain product lines across both our Aviation Services and Expeditionary Services segments.

Customer relationships are being amortized over 5-20 years. Amortization expense recorded during fiscal 2022,  2021 and 2020 was $1.1 million, $1.8 million, and $2.3 million, respectively. The estimated aggregate amount of amortization expense for intangible assets in each of the next five fiscal years is $0.5 million in 2023, $0.3 million in 2024, $0.3 million in 2025, $0.3 million in 2026 and $0.3 million in 2027.

Foreign Currency

Foreign Currency

Our foreign subsidiaries utilize the local currency as their functional currency. All balance sheet accounts of foreign subsidiaries transacting business in currencies other than the U.S. dollar are translated at year-end exchange rates. Revenues and expenses are translated at average exchange rates during the year. Translation adjustments are excluded from the results of operations and are recorded in stockholders’ equity as a component of accumulated other comprehensive loss until such subsidiaries are liquidated.

Cash

Cash

Cash and cash equivalents consist of highly liquid instruments which have original maturities of three months or less when purchased. Restricted cash represents cash on hand required to be set aside by a contractual agreement related to receivable securitization arrangements. Generally, the restrictions related to the receivable securitization arrangements lapse at the time we remit the customer payments collected by us as servicer of previously sold customer receivables to the purchaser.

Inventories

Inventories

Inventories are valued at the lower of cost or net realizable value. Cost is determined by the specific identification, average cost, or first-in, first-out methods. From time-to-time, we purchase aircraft and engines for disassembly to individual parts and components. Costs are assigned to these individual parts and components utilizing list prices from original equipment manufacturers and recent sales history. Expenditures for the repair of parts and components are capitalized as inventory.

The following is a summary of inventories:

	May 31,
	2022		2021
Aircraft and engine parts, components and finished goods	$	465.9	$	468.4
Raw materials and parts		62.2		53.0
Work-in-process		22.4		19.2
	$	550.5	$	540.6

Rotable Assets and Equipment under Leases

Rotable Assets and Equipment under Leases

The cost of the asset under lease is the original purchase price plus overhaul costs. Depreciation is computed using the straight-line method over the estimated service life of the equipment. The balance sheet classification of equipment under lease is generally based on lease term, with fixed-term leases less than twelve months generally classified as short-term and all others generally classified as long-term.

Equipment on short-term lease includes aircraft engines and parts on or available for lease to satisfy customers’ immediate short-term requirements. The leases are renewable with fixed terms, which generally vary from one to twelve months.

Property, Plant and Equipment and Other Non-Current Assets

Property, Plant and Equipment and Other Non-Current Assets

We record property, plant and equipment at cost. Depreciation is computed on the straight-line method over useful lives of 10-40 years for buildings and improvements and 3-10 years for equipment, furniture and fixtures, and capitalized software. Leasehold improvements are amortized over the shorter of the estimated useful life or the term of the applicable lease.

Repair and maintenance expenditures are expensed as incurred. Upon sale or disposal, cost and accumulated depreciation are removed from the accounts, and related gains and losses are included in results of operations.

Rotable assets supporting long-term programs consist of rotable component parts used to support long-term supply chain programs. The assets are being depreciated on a straight-line basis over their estimated useful lives.

In accordance with ASC 360, Property, Plant and Equipment, we are required to test for impairment of long-lived assets whenever events or changes in circumstances indicate the carrying value of an asset may not be recoverable from its undiscounted cash flows.  We utilize certain assumptions to estimate future undiscounted cash flows, including demand for our services, future market conditions and trends, business development pipeline of opportunities, current and future lease rates, lease terms, and residual values.

During fiscal 2021, we evaluated future cash flows related to certain rotable assets supporting long-term PBH programs in light of declines in commercial airline volumes and commercial program contract terminations.  In our Aviation Services segment, we recognized asset impairment charges of $5.8 million related to these rotable assets in fiscal 2021.  In conjunction with the termination of a PBH contract, we evaluated future cash flows related to the rotable assets supporting that fleet type and recognized asset impairment charges of $2.3 million in fiscal 2022.

In conjunction with the decision to exit certain product lines, we recognized rotable asset impairment charges of $1.9 million in fiscal 2020 in conjunction with reclassifying the rotable assets as inventory held for sale. In fiscal 2022 and 2021, we recognized additional impairment charges of $1.0 million and $1.4 million on these assets.

In our Expeditionary Services segment, we consolidated manufacturing facilities and recognized impairment and related charges of $2.6 million during fiscal 2021.

Future rent due to us under non-cancelable leases during each of the next five fiscal years is $20.5 million in 2023, $20.1 million in 2024, $19.8 million in 2025, $16.5 million in 2026, and $10.3 million in 2027.

Investments

Investments

Investments where we have the ability to exercise significant influence, but do not control the entity, are accounted for under the equity method of accounting.  Significant influence generally exists if we have a 20% to 50% ownership interest in the investee. Our share of the net earnings or loss of our investees is included in operating income on our Consolidated Statements of Income since the activities of the investees are closely aligned with our operations. Equity investments in entities over which we do not have the ability to exercise significant influence and whose securities do not have a readily determinable fair value are carried at cost less impairment, if any, adjusted for changes resulting from qualifying observable price changes for the identical investment of the same issuer should they occur.

We evaluate our investments for impairment whenever events or changes in circumstances indicate that the carrying amounts of such investments may be impaired. If a decline in the value of an investment is determined to be other than temporary, a loss is recorded in earnings in the current period.

Our investments are classified in Other non-current assets on our Consolidated Balance Sheets. Distributions from joint ventures are classified as operating or investing activities in the Consolidated Statements of Cash Flows based upon an evaluation of the specific facts and circumstances of each distribution.

Restructuring and Other Exit Costs

Restructuring and Other Exit Costs

We recognize charges for restructuring and other exit costs such as product line exits and facility closures at their fair value when incurred.  In cases where employees are required to render service until they are terminated in order to receive the termination benefits and will be retained beyond the minimum retention period, we recognize the expense ratably over the future service period.

During fiscal 2021 and 2020, we incurred severance and furlough-related costs of $9.0 million and $7.1 million, respectively, which were included as a component of Cost of sales and services and Selling, general and administrative on our Consolidated Statements of Income.

Income Taxes

Income Taxes

We are subject to income taxes in the U.S., state, and several foreign jurisdictions. In the ordinary course of business, there can be transactions and calculations where the ultimate tax determination is uncertain. We recognize deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements or tax returns in accordance with applicable accounting guidance for accounting for income taxes, using currently enacted tax rates in effect for the year in which the differences are expected to reverse.

We record a valuation allowance when necessary to reduce deferred tax assets to the amount expected to be realized. Deferred tax assets are reduced by a valuation allowance if, based on the weight of available evidence, it is more likely than not that some portion or all of the deferred tax assets will not be realized. Both positive and negative evidence are considered in forming our judgment as to whether a valuation allowance is appropriate, and more weight is given to evidence that can be objectively verified. Valuation allowances are reassessed whenever there are changes in circumstances that may cause a change in judgment.

The accounting for uncertainty in income taxes requires a more-likely-than-not threshold for financial statement recognition of tax positions taken or expected to be taken in a tax return. Where necessary, we record a liability for the difference between the benefit recognized for financial statement purposes and the tax position taken or expected to be taken on our tax return. To the extent that our assessment of such tax positions changes, the change in estimate is recorded in the period in which the determination is made.

Supplemental Information on Cash Flows

Supplemental Information on Cash Flows

Supplemental information on cash flows is as follows:

	For the Year Ended
	May 31,
	2022		2021		2020
Interest paid	$	2.1	$	4.3	$	8.6
Income taxes paid		23.9		8.2		14.3
Income tax refunds and interest received		3.8		8.3		7.0

During fiscal 2022, treasury stock increased $15.0 million reflecting the repurchase of 1.0 million common shares for $42.4 million partially offset by restricted stock activity of $8.1 million and the re-issuance of shares upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations, of $19.3 million.

During fiscal 2021, treasury stock decreased $8.6 million reflecting restricted stock activity of $5.6 million and the re-issuance of shares upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations, of $3.0 million.

During fiscal 2020, treasury stock decreased $5.0 million reflecting restricted stock activity of $0.8 million and the re-issuance of shares upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations, of $8.3 million partially offset by the repurchase of common shares of $4.1 million.

Use of Estimates

Use of Estimates

We have made estimates and utilized certain assumptions relating to the reporting of assets and liabilities and the disclosures of contingent liabilities to prepare these Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States. Actual results could differ from those estimates.

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Summary of Significant Accounting Policies (Tables)

12 Months Ended

May 31, 2022

Summary of Significant Accounting Policies

Schedule of favorable and unfavorable cumulative catch-up adjustments

	May 31,
	2022		2021		2020
Favorable cumulative catch-up adjustments	$	15.0	$	16.1	$	6.1
Unfavorable cumulative catch-up adjustments		(5.0)		(4.1)		(2.2)
Net cumulative catch-up adjustments	$	10.0	$	12.0	$	3.9

Schedule of net contract assets and liabilities

	May 31,
	2022	2021		Change
Contract assets – current	73.6	$	71.9	$	1.7
Contract assets – non-current	22.5		21.6		0.9
Contract liabilities – current	(20.5)		(25.9)		5.4
Deferred revenue on long-term contracts	(10.1)		(5.4)		(4.7)
Net contract assets	65.5	$	62.2	$	3.3

Schedule of changes in deferred revenue, after adoption of ASC 606

	Year ended May 31,
	2022		2021
Deferred revenue at beginning of period	$	(31.3)	$	(99.2)
Revenue deferred		(259.0)		(251.4)
Revenue recognized		242.3		318.2
Other		17.4		1.1
Deferred revenue at end of period	$	(30.6)	$	(31.3)

Schedule of composition of accounts receivable

	May 31,
	2022		2021
U.S. Government contracts:
Trade receivables	$	31.6	$	24.1
Unbilled receivables		25.9		25.2
		57.5		49.3
All other customers:
Trade receivables		136.8		104.9
Unbilled receivables		19.7		12.5
		156.5		117.4
	$	214.0	$	166.7

Schedule of change in our allowance for doubtful accounts

The change in our allowance for credit losses was as follows:

	May 31,
	2022		2021		2020
Balance, beginning of year	$	16.4	$	22.1	$	16.0
Provision charged to operations		1.2		8.5		5.4
Recoveries, deductions for accounts written off and other reclassifications		0.3		(14.2)		0.7
Balance, end of year	$	17.9	$	16.4	$	22.1

Schedule of goodwill by reportable segment

	Aviation		Expeditionary
	Services		Services		Total
Balance as of May 31, 2020	$	96.4	$	19.3	$	115.7
Sale of Composites		—		(0.5)		(0.5)
Foreign currency translation adjustments		4.1		—		4.1
Balance as of May 31, 2021		100.5		18.8		119.3
Foreign currency translation adjustments		(2.9)		—		(2.9)
Balance as of May 31, 2022	$	97.6	$	18.8	$	116.4

Schedule of finite-lived intangible assets, other than goodwill

	May 31, 2022
			Accumulated
Amortizable intangible assets:	Gross		Amortization		Net
Customer relationships	$	11.3	$	(9.1)	$	2.2
Unamortized intangible assets:
Trademarks		1.1		—		1.1
	$	12.4	$	(9.1)	$	3.3

	May 31, 2021
			Accumulated
Amortizable intangible assets:	Gross		Amortization		Net
Customer relationships	$	23.0	$	(19.7)	$	3.3
Unamortized intangible assets:
Trademarks		1.2		—		1.2
	$	24.2	$	(19.7)	$	4.5

Summary of inventories

	May 31,
	2022		2021
Aircraft and engine parts, components and finished goods	$	465.9	$	468.4
Raw materials and parts		62.2		53.0
Work-in-process		22.4		19.2
	$	550.5	$	540.6

Schedule of supplemental information on cash flows

	For the Year Ended
	May 31,
	2022		2021		2020
Interest paid	$	2.1	$	4.3	$	8.6
Income taxes paid		23.9		8.2		14.3
Income tax refunds and interest received		3.8		8.3		7.0

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Financing Arrangements (Tables)

12 Months Ended

May 31, 2022

Financing Arrangements

Schedule of carrying amount of debt

	May 31,
	2022		2021
Revolving Credit Facility expiring September 25, 2024 with interest payable monthly	$	100.0	$	109.5
Term loan repaid November 1, 2021 with interest paid monthly		—		25.7
Total debt		100.0		135.2
Debt issuance costs, net		(1.1)		(1.5)
Long-term debt	$	98.9	$	133.7

Schedule of borrowing activity under the Credit Agreement

	For the Year Ended May 31,
	2022			2021			2020
Maximum amount borrowed	$	124.5		$	579.5		$	579.5
Average daily borrowings		105.9			257.5			280.7
Average interest rate during the year		1.09	%		1.20	%		2.62	%

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Equity (Tables)

12 Months Ended

May 31, 2022

Equity

Schedule of assumptions used in the Black-Scholes option pricing model to estimate the fair value of stock option grant

	Stock Options Granted In Fiscal Year
	2022		2021		2020
Risk-free interest rate	0.8	%	0.4	%	1.9	%
Expected volatility of common stock	41.6	%	40.2	%	32.0	%
Dividend yield	0.8	%	1.6	%	0.8	%
Expected option term in years	5.3		4.8		4.5

Schedule of stock option activity

A summary of stock option activity for the three years ended May 31, 2022 consisted of the following (shares in thousands):

	2022			2021			2020
		Weighted			Weighted			Weighted
		Average			Average			Average
	Shares	Exercise Price		Shares	Exercise Price		Shares	Exercise Price
Outstanding at beginning of year	2,612	$	28.34	1,851	$	32.74	1,777	$	30.37
Granted	145		37.84	936		18.94	414		37.66
Exercised	(686)		25.53	(110)		23.93	(300)		24.99
Cancelled	(26)		36.17	(65)		25.59	(40)		36.72
Outstanding at end of year	2,045	$	29.86	2,612	$	28.34	1,851	$	32.74
Options exercisable at end of year	1,189	$	33.57	1,371	$	31.56	1,133	$	28.32

Schedule of restricted share activity

Restricted share activity during fiscal 2022 was as follows (shares in thousands):

		Weighted Average
	Number of	Fair Value
	Shares	on Grant Date
Nonvested at May 31, 2021	369	$	30.12
Granted	336		46.44
Vested	(127)		32.30
Forfeited	(24)		43.30
Nonvested at May 31, 2022	554		38.95

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Income Taxes (Tables)

12 Months Ended

May 31, 2022

Income Taxes

Schedule of components of provision for income tax on income from continuing operations

	For the Year Ended
	May 31,
	2022		2021		2020
Current:
Federal	$	11.0	$	5.2	$	1.4
State		2.6		1.2		0.9
Foreign		4.3		3.4		2.8
		17.9		9.8		5.1
Deferred		8.7		8.4		0.5
	$	26.6	$	18.2	$	5.6

Schedule of difference between the provision for income taxes on pre-tax income from the amount computed by applying the U.S. federal statutory tax rate

	For the Year Ended
	May 31,
	2022		2021		2020
Provision for income tax at the federal statutory rate	$	22.1	$	13.5	$	6.4
Tax expense (benefits) from stock-based compensation		(2.1)		0.7		(2.1)
State income taxes, net of federal benefit		5.2		2.4		1.1
Change in valuation allowance for state deferred tax assets		—		—		(0.1)
Other		1.4		1.6		0.3
Provision for income tax	$	26.6	$	18.2	$	5.6

Schedule of income before provision for income taxes

	For the Year Ended
	May 31,
	2022		2021		2020
Domestic	$	77.1	$	43.7	$	23.6
Foreign		28.0		20.8		6.8
	$	105.1	$	64.5	$	30.4

Schedule of components of deferred tax assets and liabilities

	May 31,
	2022		2021
Deferred tax assets:
Operating lease liabilities	$	21.0	$	20.7
State net operating losses		8.0		6.8
Employee and retirement benefits		7.6		10.4
Allowance for credit losses		—		4.0
Other		1.9		2.6
Total deferred tax assets		38.5		44.5
Deferred tax liabilities:
Tangible and intangible assets		(33.6)		(31.9)
ROU operating lease assets		(22.1)		(21.9)
Other		(2.8)		(0.2)
Total deferred tax liabilities		(58.5)		(54.0)
Net deferred tax liabilities	$	(20.0)	$	(9.5)

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Earnings Per Share (Tables)

12 Months Ended

May 31, 2022

Earnings Per Share

Schedule of reconciliation of computations of basic and diluted earnings per share information

The following tables provide a reconciliation of the computations of basic and diluted earnings per share information for each of the years in the three-year period ended May 31, 2022 (shares in millions).

	For the Year Ended
	May 31,
	2022		2021		2020
Basic and Diluted EPS:
Income from continuing operations	$	78.5	$	46.3	$	24.8
Less income attributable to participating shares		(0.6)		(0.4)		(0.1)
Income from continuing operations attributable to common stockholders		77.9		45.9		24.7
Income (Loss) from discontinued operations attributable to common stockholders		0.2		(10.5)		(20.4)
Net income attributable to common stockholders for earnings per share	$	78.1	$	35.4	$	4.3
Weighted average common shares outstanding – basic		35.6		35.0		34.8
Additional shares from assumed exercise of stock options		0.4		0.3		0.2
Weighted average common shares outstanding – diluted		36.0		35.3		35.0
Earnings per share – basic:
Earnings from continuing operations	$	2.19	$	1.31	$	0.71
Loss from discontinued operations		0.01		(0.30)		(0.59)
Earnings per share - basic	$	2.20	$	1.01	$	0.12
Earnings per share – diluted:
Earnings from continuing operations	$	2.16	$	1.30	$	0.71
Loss from discontinued operations		0.01		(0.30)		(0.58)
Earnings per share - diluted	$	2.17	$	1.00	$	0.13

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Employee Benefit Plans (Tables)

12 Months Ended

May 31, 2022

Employee Benefit Plans

Schedule of change to the entity's projected benefit obligation and the fair value of plan assets for pension plans

	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	70.9	$	4.4	$	83.7	$	159.0
Service cost		0.3		—		1.2		1.5
Interest cost		2.0		0.1		1.0		3.1
Participant contributions		—		—		0.1		0.1
Net actuarial loss		(7.6)		(0.4)		(17.0)		(25.0)
Benefits and administrative payments		(3.0)		(0.4)		(1.7)		(5.1)
Settlements		(2.5)		—		—		(2.5)
Curtailment		—		—		(2.0)		(2.0)
Foreign currency translation adjustment		—		—		(8.9)		(8.9)
Projected benefit obligation at end of year	$	60.1	$	3.7	$	56.4	$	120.2
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	$	81.3	$	—	$	77.1	$	158.4
Actual return on plan assets		(6.8)		—		(9.9)		(16.7)
Employer contributions		—		0.4		0.1		0.5
Participant contributions		—		—		0.1		0.1
Benefits and administrative payments, including settlements		(5.5)		(0.4)		(1.7)		(7.6)
Foreign currency translation adjustment		—		—		(8.5)		(8.5)
Fair value of plan assets at end of year	$	69.0	$	—	$	57.2	$	126.2
Funded status at end of year	$	8.9	$	(3.7)	$	0.8	$	6.0
Accumulated other comprehensive loss	$	26.2	$	0.7	$	3.9	$	30.9

The change to our projected benefit obligation and the fair value of our plan assets for our pension plans for the year ended May 31, 2021 was as follows:

	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	75.4	$	4.6	$	79.1	$	159.1
Service cost		0.3		—		2.2		2.5
Interest cost		2.1		0.1		0.9		3.1
Participant contributions		—		—		0.3		0.3
Net actuarial (gain) loss		(1.9)		0.1		(2.6)		(4.4)
Benefits and administrative payments		(3.0)		(0.4)		(1.4)		(4.8)
Settlements		(2.0)		—		—		(2.0)
Curtailment		—		—		(2.5)		(2.5)
Foreign currency translation adjustment		—		—		7.7		7.7
Projected benefit obligation at end of year	$	70.9	$	4.4	$	83.7	$	159.0
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	$	65.4	$	—	$	66.4	$	131.8
Actual return on plan assets		20.9		—		2.9		23.8
Employer contributions		—		0.4		2.3		2.7
Participant contributions		—		—		0.3		0.3
Benefits and administrative payments, including settlements		(5.0)		(0.4)		(1.4)		(6.8)
Foreign currency translation adjustment		—		—		6.6		6.6
Fair value of plan assets at end of year	$	81.3	$	—	$	77.1	$	158.4
Funded status at end of year	$	10.4	$	(4.4)	$	(6.6)	$	(0.6)
Accumulated other comprehensive loss	$	24.7	$	1.3	$	11.8	$	37.8

Schedule of amounts recognized in the Consolidated Balance Sheets

	May 31,
	2022		2021
Other non-current assets	$	9.7	$	10.4
Accrued liabilities		(0.3)		(0.4)
Other liabilities		(3.4)		(10.6)
Funded status at end of year	$	6.0	$	(0.6)

Schedule of projected and accumulated benefit obligation in excess of plan assets

	May 31,
Projected benefit obligation in excess of plan assets	2022		2021
Projected benefit obligation	$	3.7	$	88.1
Fair value of plan assets		—		77.1

	May 31,
Accumulated benefit obligation in excess of plan assets	2022		2021
Projected benefit obligation	$	3.7	$	88.1
Accumulated benefit obligation		3.7		82.1
Fair value of plan assets		—		77.1

Schedule of components of pension expense charged to the consolidated statement of income

	For the Year Ended May 31, 2022
	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Service cost	$	0.3	$	—	$	1.2	$	1.5
Interest cost		2.0		0.1		1.0		3.1
Expected return on plan assets		(5.0)		—		(2.5)		(7.5)
Settlements		1.4		—		—		1.4
Recognized net actuarial loss		1.2		0.1		0.2		1.5
	$	(0.1)	$	0.2	$	(0.1)	$	—

	For the Year Ended May 31, 2021
	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Service cost	$	0.3	$	—	$	2.2	$	2.5
Interest cost		2.1		0.1		0.9		3.1
Expected return on plan assets		(4.8)		—		(1.8)		(6.6)
Settlements		0.9		—		—		0.9
Recognized net actuarial loss		1.5		0.1		0.7		2.3
	$	—	$	0.2	$	2.0	$	2.2

	For the Year Ended May 31, 2020
	Merged		Other U.S.		Netherlands
	U.S. Plan		Plans		Plan		Total
Service cost	$	0.6	$	—	$	2.2	$	2.8
Interest cost		2.6		0.1		1.1		3.8
Expected return on plan assets		(4.9)		—		(1.9)		(6.8)
Settlements		1.5		—		—		1.5
Recognized net actuarial loss		1.2		0.1		0.7		2.0
	$	1.0	$	0.2	$	2.1	$	3.3

Schedule of key weighted-average assumptions used in the measurement of the entity's projected benefit obligations

	May 31,
	2022		2021
U.S. plans	2.96	%	2.87	%
Netherlands plan	2.80		1.20

Schedule of the weighted average assumptions used to determine net periodic pension expense

	For the Year Ended
	May 31,
	2022		2021		2020
Discount rate:
U.S. plans	2.87	%	2.83	%	3.67	%
Netherlands plan	1.20		1.20		1.50
Expected long-term rate on plan assets:
U.S. plans	7.25	%	7.25	%	7.25	%
Netherlands plan	3.30		2.50		2.90

Schedule of fair value of pension plan assets

The following table sets forth by level, within the fair value hierarchy, pension plan assets at their fair value as of May 31, 2022:

	Level 1(1)		Level 2(2)		Level 3(3)		Total
Fixed income:
Government securities and corporate bond mutual funds	$	—	$	49.6	$	—	$	49.6
Funds-of-funds		—		45.9		—		45.9
Insurance annuities		—		—		11.3		11.3
Cash and cash equivalents		14.6		—		—		14.6
	$	14.6	$	95.5	$	11.3		121.4
Other investments measured at net asset value (4)								4.8
Total pension plan assets							$	126.2

The following table sets forth by level, within the fair value hierarchy, pension plan assets at their fair value as of May 31, 2021:

	Level 1(1)		Level 2(2)		Level 3(3)		Total
Equity securities:
U.S. mutual funds	$	40.3	$	—	$	—	$	40.3
International mutual funds		11.1		—		—		11.1
Fixed income:
Government securities and corporate bond mutual funds		—		13.3		—		13.3
Funds-of-funds		—		61.3		—		61.3
Insurance annuities		—				15.6		15.6
Cash and cash equivalents		0.7		—		—		0.7
	$	52.1	$	74.6	$	15.6		142.3
Other investments measured at net asset value (4)								16.1
Total pension plan assets							$	158.4

(1) Quoted prices in active markets for identical assets that we have the ability to access as of the reporting date.

(2) Inputs other than quoted prices included within Level 1 that are directly observable for the asset or indirectly observable through corroboration with observable market data.

(3) Unobservable inputs, such as internally developed pricing models or third party valuations for the asset due to little or no market activity for the asset.

(4) Other investments measured at net asset value included alternative investments, such as hedge funds, which are valued using the net asset value as a practical expedient.

Schedule of reconciliation of Level 3 pension assets and other investments measured at net asset value

	Hedge		Fund-of-		Insurance
	Funds		funds		Annuities		Total
Balance as of May 31, 2020	$	4.3	$	8.5	$	11.7	$	24.5
Purchases		—		—		3.9		3.9
Return on plan assets related to assets still held at May 31, 2021		0.8		2.5		—		3.3
Balance as of May 31, 2021		5.1		11.0		15.6		31.7
Sales		—		(11.0)		(4.3)		(15.3)
Return on plan assets related to assets still held at May 31, 2022		(0.3)		—		—		(0.3)
Balance as of May 31, 2022	$	4.8	$	—	$	11.3	$	16.1

Schedule of estimated future pension payments

	Fiscal Year
											2028 to
	2023		2024		2025		2026		2027		2032
Estimated future pension payments	$	6.5	$	59.8	$	2.5	$	2.6	$	2.8	$	12.8

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Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

May 31, 2022

Accumulated Other Comprehensive Loss

Schedule of changes in accumulated other comprehensive loss ("AOCL") by component

	Currency
	Translation
	Adjustments		Pension Plans		Total
Balance as of June 1, 2019	$	(2.1)	$	(38.8)	$	(40.9)
Other comprehensive loss before reclassifications		0.1		(5.0)		(4.9)
Amounts reclassified from AOCL		—		1.2		1.2
Total other comprehensive loss		0.1		(3.8)		(3.7)
Balance as of May 31, 2020		(2.0)		(42.6)		(44.6)
Other comprehensive income (loss) before reclassifications		5.9		4.4		10.3
Amounts reclassified from AOCL		—		16.0		16.0
Total other comprehensive income (loss)		5.9		20.4		26.3
Balance as of May 31, 2021		3.9		(22.2)		(18.3)
Other comprehensive income before reclassifications		(6.7)		4.6		(2.1)
Amounts reclassified from AOCL		—		0.8		0.8
Total other comprehensive loss		(6.7)		5.4		(1.3)
Balance as of May 31, 2022	$	(2.8)	$	(16.8)	$	(19.6)

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Other Non-current Assets (Tables)

12 Months Ended

May 31, 2022

Other Non-current Assets

Schedule of other non-current assets

	May 31,
	2022		2021
Contract assets	$	22.5	$	21.6
License fees		22.2		25.0
Investments in joint ventures		20.0		18.3
Assets under deferred compensation plan		12.4		12.6
Pension assets		9.8		10.4
Other		10.9		10.9
	$	97.8	$	98.8

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Leases (Tables)

12 Months Ended

May 31, 2022

Leases

Schedule of operating lease cost

	For the Year Ended May 31,
	2022		2021		2020
Operating lease cost	$	20.8	$	16.4	$	18.4
Short-term lease cost		2.2		1.7		5.3
Variable lease cost		9.2		3.5		7.4
	$	32.2	$	21.6	$	31.1

Schedule of maturities of our lease payments

With the exception of a land lease for one of our airframe maintenance facilities that expires in 2108, our operating leases expire at various dates through 2034.  Maturities of our operating lease payments as of May 31, 2022 are as follows:

2023	$	13.6
2024		12.4
2025		11.0
2026		9.2
2027		8.5
Thereafter		25.5
Total undiscounted payments		80.2
Less: Imputed interest		(11.7)
Present value of minimum lease payments		68.5
Less: Operating lease liabilities – current		(11.1)
Operating lease liabilities – non-current	$	57.4

Summary of weighted-average remaining lease term and weighted-average discount rate

	May 31,
	2022	2021
Remaining lease term	7.6 years	8.5 years
Discount rate	3.7%	3.8%

Schedule of supplemental cash flow information related to leases

	For the Year Ended May 31,
	2022		2021		2020
Cash paid for amounts included in the measurement of lease liabilities	$	14.1	$	15.3	$	16.5
Operating lease liabilities arising from obtaining ROU assets		9.5		5.2		13.0

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Business Segment Information (Tables)

12 Months Ended

May 31, 2022

Business Segment Information

Schedule of selected financial information for each reportable segment

Selected financial information for each segment is as follows:

	For the Year Ended May 31,
	2022		2021		2020
Net sales:
Aviation Services	$	1,745.8	$	1,553.7	$	1,964.2
Expeditionary Services		74.2		98.6		107.8
	$	1,820.0	$	1,652.3	$	2,072.0

	For the Year Ended May 31,
	2022		2021		2020
Gross profit:
Aviation Services	$	297.5	$	263.2	$	267.3
Expeditionary Services		15.7		12.7		1.9
	$	313.2	$	275.9	$	269.2

	May 31,
	2022		2021
Total assets:
Aviation Services	$	1,367.3	$	1,357.2
Expeditionary Services		74.8		73.0
Corporate and discontinued operations		131.8		109.5
	$	1,573.9	$	1,539.7

	For the Year Ended May 31,
	2022		2021		2020
Capital expenditures:
Aviation Services	$	16.2	$	8.1	$	16.9
Expeditionary Services		1.0		3.1		5.4
Corporate		0.1		0.1		1.3
	$	17.3	$	11.3	$	23.6

	For the Year Ended May 31,
	2022		2021		2020
Depreciation and amortization:1
Aviation Services	$	31.2	$	33.7	$	39.2
Expeditionary Services		1.6		2.3		3.7
Corporate		8.5		9.5		8.1
	$	41.3	$	45.5	$	51.0

1 Includes amortization of stock-based compensation.

Schedule of reconciliation of segment gross profit to income from continuing operations before provision for income taxes

	For the Year Ended May 31,
	2022		2021		2020
Segment gross profit	$	313.2	$	275.9	$	269.2
Provision for credit losses		(1.2)		(8.5)		(5.4)
Selling, general and administrative		(202.2)		(182.4)		(220.6)
Earnings (Loss) from joint ventures		(2.9)		0.2		(1.9)
Losses related to sale and exit of business		(1.7)		(20.2)		—
Other income (expenses), net		2.2		4.3		(2.1)
Interest expense		(2.4)		(5.0)		(9.3)
Interest income		0.1		0.2		0.5
Income from continuing operations before provision for income taxes	$	105.1	$	64.5	$	30.4

Schedule of sales to the U.S. Department of Defense, other U.S. government agencies and their contractors by segment

	For the Year Ended May 31,
	2022			2021			2020
Aviation Services	$	557.4		$	657.0		$	588.7
Expeditionary Services		62.6			81.8			79.5
	$	620.0		$	738.8		$	668.2
Percentage of total sales		34.1	%		44.7	%		32.2	%

Schedule of sales across the major customer markets for each of our reportable segments

	For the Year Ended May 31,
	2022		2021		2020
Aviation Services:
Commercial	$	1,081.6	$	793.9	$	1,268.9
Government and defense		664.2		759.8		695.3
	$	1,745.8	$	1,553.7	$	1,964.2
Expeditionary Services:
Commercial	$	2.2	$	12.5	$	24.3
Government and defense		72.0		86.1		83.5
	$	74.2	$	98.6	$	107.8

Schedule of sales by type of product/service

	For the Year Ended May 31,
	2022		2021		2020
Aviation supply chain	$	1,275.1	$	1,172.7	$	1,434.3
Maintenance, repair and overhaul services		470.7		381.0		529.9
Mobility products		74.2		98.6		107.8
	$	1,820.0	$	1,652.3	$	2,072.0

Schedule of geographic data

	For the Year Ended May 31,
	2022		2021		2020
Aviation Services:
North America	$	1,346.2	$	1,255.7	$	1,505.6
Europe/Africa		223.7		207.5		330.8
Other		175.9		90.5		127.8
	$	1,745.8	$	1,553.7	$	1,964.2
Expeditionary Services:
North America	$	74.0	$	95.9	$	98.4
Europe/Africa		0.2		2.6		9.0
Other		—		0.1		0.4
	$	74.2	$	98.6	$	107.8

	May 31,
	2022		2021
Long-lived assets:
United States	$	400.4	$	419.1
Europe		74.3		83.1
Other		92.0		100.5
	$	566.7	$	602.7

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Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	May 31, 2022	May 31, 2021	Jun. 01, 2019
New accounting pronouncements adopted
Operating lease ROU assets	$ 73.0	$ 75.8
Operating lease liabilities	57.4	59.9
Other liabilities	14.9	25.4
Retained earnings	$ 820.4	$ 741.7
Cumulative effect adjustment | ASC 842
New accounting pronouncements adopted
Retained earnings			$ 2.5
Cumulative effect adjustment | ASC 842 | Right of use including discontinued operations
New accounting pronouncements adopted
Operating lease ROU assets			123.2
Operating lease liabilities			116.8
Cumulative effect adjustment | ASC 842 | Held for sale or Disposed | Right of use including discontinued operations
New accounting pronouncements adopted
Operating lease ROU assets			26.6
Operating lease liabilities			$ 25.3

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Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Summary of Significant Accounting Policies
Favorable cumulative catch-up adjustments	$ 15.0	$ 16.1	$ 6.1
Unfavorable cumulative catch-up adjustments	(5.0)	(4.1)	(2.2)
Net cumulative catch-up adjustments	10.0	$ 12.0	$ 3.9
Estimated adjustments to claimed indirect costs	$ 2.6

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Summary of Significant Accounting Policies - Contract Assets and Liabilities and Remaining Performance Obligations (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020	May 31, 2019
Contract Assets and Liabilities
Contract assets - current	$ 73.6	$ 71.9
Contract assets - non-current	22.5	21.6
Contract liabilities - current	(20.5)	(25.9)
Deferred revenue on long-term contracts	(10.1)	(5.4)
Net contract assets	65.5	62.2
Change in contract assets - current	1.7
Change in contract assets - non-current	0.9
Change in contract liabilities - current	5.4
Change in contract liabilities - non-current	(4.7)
Change in net contract assets	3.3
Forward loss reserves	17.9	16.4	$ 22.1	$ 16.0
PBH forward loss reserve	1.3
Change in Contract with Customer, Liability
Deferred revenue at beginning of period	(31.3)	(99.2)
Revenue deferred	(259.0)	(251.4)
Revenue recognized	(242.3)	(318.2)
Other	17.4	1.1
Deferred revenue at end of period	(30.6)	(31.3)	(99.2)
Remaining Performance Obligations
Remaining performance obligation	$ 850,000.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-06-01
Remaining Performance Obligations
Remaining performance obligation (as a percent)	45.00%
Expected timing of satisfaction of remaining performance obligation	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-06-01
Remaining Performance Obligations
Remaining performance obligation (as a percent)	55.00%
Expected timing of satisfaction of remaining performance obligation	3 years
PBH contracts
Contract Assets and Liabilities
Contract Charges on non-achievement of minimum volume guarantees	$ 1.7	4.5
Customer contract termination and restructuring costs	5.2	$ 5.7	$ 31.3
PBH forward loss reserve	3.1
Charge to increase obligation reflecting revised estimated shortfall on minimum volume guarantee	1.7
PBH contracts | Accrued liabilities
Contract Assets and Liabilities
PBH forward loss reserve	2.3
PBH contracts | Other long-term liabilities
Contract Assets and Liabilities
PBH forward loss reserve	$ 0.8

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Summary of Significant Accounting Policies - Financial Instruments (Details) - USD ($) $ in Millions	May 31, 2022	May 31, 2021
Accounts Receivable
Accounts receivable Total	$ 214.0	$ 166.7
U.S. Government
Accounts Receivable
Accounts receivable Total	57.5	49.3
U.S. Government Contract | Trade receivables
Accounts Receivable
Accounts receivable	31.6	24.1
U.S. Government Contract | Unbilled receivables
Accounts Receivable
Unbilled receivables	25.9	25.2
All other customers
Accounts Receivable
Accounts receivable Total	156.5	117.4
All other customers | Trade receivables
Accounts Receivable
Accounts receivable	136.8	104.9
All other customers | Unbilled receivables
Accounts Receivable
Unbilled receivables	$ 19.7	$ 12.5

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Summary of Significant Accounting Policies - Allowance for Credit Losses (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Allowance for Doubtful Accounts
Other liabilities	$ 14.9	$ 25.4
Balance, beginning of year	16.4	22.1	$ 16.0
Provision charged to operations	1.2	8.5	5.4
Recoveries, deductions for accounts written off and other reclassifications	0.3	(14.2)	0.7
Balance, end of year	$ 17.9	$ 16.4	$ 22.1

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Summary of Significant Accounting Policies - Goodwill (Details) $ in Millions	12 Months Ended
	May 31, 2022 USD ($) item	May 31, 2021 USD ($)	May 31, 2020 USD ($)
Goodwill by reportable segment
Number of reporting units | item	3
Goodwill impairment charges	$ 0.0		$ 0.0
Goodwill, Beginning Balance	119.3	$ 115.7
Sale of Composites		(0.5)
Foreign currency translation adjustments	(2.9)	4.1
Goodwill, Ending Balance	$ 116.4	119.3	115.7
Aviation Services
Goodwill by reportable segment
Number of reporting units | item	2
Goodwill, Beginning Balance	$ 100.5	96.4
Foreign currency translation adjustments	(2.9)	4.1
Goodwill, Ending Balance	$ 97.6	100.5	96.4
Expeditionary Services
Goodwill by reportable segment
Number of reporting units | item	1
Goodwill, Beginning Balance	$ 18.8	19.3
Sale of Composites		(0.5)
Goodwill, Ending Balance	$ 18.8	$ 18.8	$ 19.3

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Summary of Significant Accounting Policies - Intangibles (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Amortizable intangible assets:
Accumulated Amortization	$ (9.1)	$ (19.7)
Unamortized intangible assets:
Trademarks	1.1	1.2
Intangible Assets, Gross (Excluding Goodwill)	12.4	24.2
Intangible Assets, Net (Excluding Goodwill), Total	3.3	4.5
Impairment charge related to exit of certain product line			$ 5.4
Amortization expense	1.1	1.8	$ 2.3
Estimated aggregate amortization expense for intangible assets in each of the next five fiscal years
2023	0.5
2024	0.3
2025	0.3
2026	0.3
2027	0.3
Customer relationships
Amortizable intangible assets:
Gross carrying amount	11.3	23.0
Accumulated Amortization	(9.1)	(19.7)
Net carrying amount	$ 2.2	$ 3.3
Minimum | Customer relationships
Unamortized intangible assets:
Useful life	5 years
Maximum | Customer relationships
Unamortized intangible assets:
Useful life	20 years

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Summary of Significant Accounting Policies - Inventories (Details) - USD ($) $ in Millions	May 31, 2022	May 31, 2021
Inventories
Aircraft and engine parts, components and finished goods	$ 465.9	$ 468.4
Raw materials and parts	62.2	53.0
Work-in-process	22.4	19.2
Total inventories	$ 550.5	$ 540.6

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Summary of Significant Accounting Policies - Rotable Assets and Equipment under Leases (Details)	12 Months Ended
	May 31, 2022
Minimum
Rotable Assets and Equipment under leases
Period of short-term leases	1 month
Maximum
Rotable Assets and Equipment under leases
Period of short-term leases	12 months

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Summary of Significant Accounting Policies - Property, Plant and Equipment and Investments (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Investments
Rotable asset impairment charges	$ 2.9	$ 9.1	$ 8.1
Future rent due to us under non-cancelable leases
2023	20.5
2024	20.1
2025	19.8
2026	16.5
2027	$ 10.3
Building and improvements | Minimum
Property, Plant and Equipment
Useful life	10 years
Building and improvements | Maximum
Property, Plant and Equipment
Useful life	40 years
Equipment | Minimum
Property, Plant and Equipment
Useful life	3 years
Equipment | Maximum
Property, Plant and Equipment
Useful life	10 years
Furniture and fixtures | Minimum
Property, Plant and Equipment
Useful life	3 years
Furniture and fixtures | Maximum
Property, Plant and Equipment
Useful life	10 years
Capitalized software | Minimum
Property, Plant and Equipment
Useful life	3 years
Capitalized software | Maximum
Property, Plant and Equipment
Useful life	10 years
Rotable parts | Aviation Services
Investments
Rotable asset impairment charges		5.8
Rotable parts | Contract termination
Investments
Rotable asset impairment charges	$ 2.3
Rotable parts | Product line exits
Investments
Rotable asset impairment charges	$ 1.0	1.4	$ 1.9
Manufacturing facilities | Expeditionary Services
Investments
Impairment and related charges		$ 2.6

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Summary of Significant Accounting Policies - Restructuring and Other Exit Costs, Supplemental Information on Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Supplemental Information on Cash Flows
Interest paid	$ 2.1	$ 4.3	$ 8.6
Income taxes paid	23.9	8.2	14.3
Income tax refunds and interest received	$ 3.8	8.3	7.0
Cost of sales and services and Selling, general and administrative
Restructuring and Impairment Costs
Severance and furlough-related costs		$ 9.0	$ 7.1

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Summary of Significant Accounting Policies - Treasury Stock (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Shares repurchased (in shares)	1.0
Treasury Stock
Total increase (decrease) in treasury stock	$ 15.0	$ (8.6)	$ (5.0)
Repurchase of treasury shares	42.4		4.1
Restricted stock activity	8.1	5.6	0.8
Re-issuance of treasury stock upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations	$ 19.3	$ 3.0	$ 8.3

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Sale of Receivables (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020	Feb. 23, 2018
Sale of Receivables
Restricted cash	$ 5.4	$ 8.4
Purchase Agreement
Sale of Receivables
Retained interests	0.0
Accounts and Financing Receivables, Held-for-Sale	283.3	440.6	$ 746.4
Remitted receivables	306.9	476.3	758.3
Amount collected	5.4	8.4
Maximum | Purchase Agreement
Sale of Receivables
Accounts and Financing Receivables, Held-for-Sale				$ 150.0
Other expense, net | Purchase Agreement
Sale of Receivables
Discount and other fees	$ 0.3	$ 0.4	$ 1.8

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Financing Arrangements (Details) $ in Millions		12 Months Ended
	Oct. 18, 2017 USD ($) facility	May 31, 2022 USD ($)	May 31, 2021 USD ($)	May 31, 2020 USD ($)
Financing Arrangements
Total debt		$ 100.0	$ 135.2
Debt issuance costs, net		(1.1)	(1.5)
Long-term debt		98.9	133.7
Long-term debt		98.9	133.7
Term loan
Financing Arrangements
Total debt			25.7
Maximum borrowing capacity	$ 31.0
Revolving Credit Facility expiring September 25, 2024 with interest payable monthly
Financing Arrangements
Total debt		100.0	109.5
Foreign Line of Credit
Financing Arrangements
Amount outstanding		9.3
Revolving credit facility | Revolving Credit Facility expiring September 25, 2024 with interest payable monthly
Financing Arrangements
Total debt		100.0
Maximum borrowing capacity		600.0
Line Of Credit Facility Additional Borrowing Capacity		300.0
Line Of Credit Facility Maximum And Additional Borrowing Capacity		900.0
Maximum amount borrowed		124.5	579.5	$ 579.5
Average daily borrowings		$ 105.9	$ 257.5	$ 280.7
Average interest rate during the year		1.09%	1.20%	2.62%
Remaining borrowing capacity		$ 488.6
Revolving credit facility | Revolving Credit Facility expiring September 25, 2024 with interest payable monthly | Letter of Credit
Financing Arrangements
Total debt		$ 11.4
Revolving credit facility | Eurodollar rate | Revolving Credit Facility expiring September 25, 2024 with interest payable monthly | Minimum
Financing Arrangements
Debt Instrument Basis Spread On Variable Rate After Amendment		0.875%
Revolving credit facility | Eurodollar rate | Revolving Credit Facility expiring September 25, 2024 with interest payable monthly | Maximum
Financing Arrangements
Debt Instrument Basis Spread On Variable Rate After Amendment		1.75%
Revolving credit facility | Base rate | Revolving Credit Facility expiring September 25, 2024 with interest payable monthly | Minimum
Financing Arrangements
Debt Instrument Basis Spread On Variable Rate After Amendment		0.00%
Revolving credit facility | Base rate | Revolving Credit Facility expiring September 25, 2024 with interest payable monthly | Maximum
Financing Arrangements
Debt Instrument Basis Spread On Variable Rate After Amendment		0.75%
MRO facilities acquired in Canada owned by Premier Aviation
Financing Arrangements
Number of facilities acquired | facility	2

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Equity (Details) $ / shares in Units, $ in Millions	12 Months Ended
	May 31, 2022 USD ($) item $ / shares shares	May 31, 2021 USD ($) $ / shares shares	May 31, 2020 USD ($) $ / shares shares
2013 Stock Plan
Stock-Based Compensation
Granted (in shares)	5,539,104
Shares available for future grant	1,217,028
Stock options
Stock-Based Compensation
Expiration term	10 years
First number of equal annual increments in which stock options are exercisable | item	3
Commencement period after the date of grant for annual increments of stock options becoming exercisable	1 year
Weighted average fair value of stock options granted (in dollars per share) | $ / shares	$ 13.42	$ 5.89	$ 10.30
Assumptions used in the Black-Scholes option pricing models to estimate the fair value of each stock option grant
Risk-free interest rate	0.80%	0.40%	1.90%
Expected volatility of common stock	41.60%	40.20%	32.00%
Dividend yield	0.80%	1.60%	0.80%
Expected option term in years	5 years 3 months 18 days	4 years 9 months 18 days	4 years 6 months
Shares
Outstanding at beginning of year (in shares)	2,612,000	1,851,000	1,777,000
Granted (in shares)	144,815	936,170	414,460
Exercised (in shares)	(686,000)	(110,000)	(300,000)
Cancelled (in shares)	(26,000)	(65,000)	(40,000)
Outstanding at end of year (in shares)	2,045,000	2,612,000	1,851,000
Options exercisable at end of year (in shares)	1,189,000	1,371,000	1,133,000
Weighted Average Exercise Price
Outstanding at beginning of year (in dollars per share) | $ / shares	$ 28.34	$ 32.74	$ 30.37
Granted (in dollars per share) | $ / shares	37.84	18.94	37.66
Exercised (in dollars per share) | $ / shares	25.53	23.93	24.99
Cancelled (in dollars per share) | $ / shares	36.17	25.59	36.72
Outstanding at end of year (in dollars per share) | $ / shares	29.86	28.34	32.74
Options exercisable at end of year (in dollars per share) | $ / shares	$ 33.57	$ 31.56	$ 28.32
Stock options, additional disclosures
Total fair value of stock options vested | $	$ 4.3	$ 3.9	$ 3.7
Total intrinsic value of stock options exercised | $	14.4	1.5	6.2
Aggregate intrinsic value of options outstanding | $	37.6	36.6
Unearned compensation not yet recognized | $	$ 3.3
Average remaining expensed period of unearned compensation	0 years
Stock options | Selling, general and administrative expenses
Stock options, additional disclosures
Compensation expense | $	$ 3.8	$ 4.0	$ 3.9
Restricted stock
Stock-Based Compensation
Granted (in shares)	336,000
Stock options, additional disclosures
Unearned compensation not yet recognized | $	$ 13.2
Average remaining expensed period of unearned compensation	0 years
Restricted stock | Minimum
Stock-Based Compensation
Vesting period	1 year
Restricted stock | Maximum
Stock-Based Compensation
Vesting period	3 years
Performance-based restricted stock
Stock-Based Compensation
Vesting period	3 years
Performance Based Restricted Stock | Executives and other key employees
Stock-Based Compensation
Granted (in shares)	43,010	0	52,475

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Equity - Restricted Stock (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Selling, general and administrative expenses
Weighted Average Fair Value on Grant Date
Excess tax benefit recognized	$ 4.4	$ 5.2	$ 3.4
Restricted stock
Number of Shares
Nonvested at the beginning of the period ( in shares)	369,000
Granted (in shares)	336,000
Vested (in shares)	(127,000)
Forfeited (in shares)	(24,000)
Nonvested at the end of the period (in shares)	554,000	369,000
Weighted Average Fair Value on Grant Date
Nonvested at the beginning of the period (in dollars per share)	$ 30.12
Granted (in dollars per share)	46.44
Vested (in dollars per share)	32.30
Forfeited (in dollars per share)	43.30
Nonvested at the end of the period (in dollars per share)	$ 38.95	$ 30.12
Unearned compensation not yet recognized	$ 13.2
Average remaining expensed period of unearned compensation	0 years
Performance Based Restricted Stock | Executives and other key employees
Number of Shares
Granted (in shares)	43,010	0	52,475
Time Based Restricted Stock | Board of Directors
Number of Shares
Granted (in shares)	32,307	72,021	44,123
Time Based Restricted Stock | Executives and other key employees
Number of Shares
Granted (in shares)	260,742	144,255	56,535

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Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Current:
U.S. federal statutory income tax rate (as a percent)	21.00%	21.00%	21.00%
Federal	$ 11,000	$ 5,200	$ 1,400
State	2,600	1,200	900
Foreign	4,300	3,400	2,800
Total current	17,900	9,800	5,100
Deferred	8,700	8,400	500
Provision for income tax	26,600	18,200	5,600
Reasons for difference between the provision for income taxes on pre-tax income from the amount computed by applying the U.S. federal statutory tax rate
Provision for income tax at the federal statutory rate	22,100	13,500	6,400
Tax expense (benefits) from stock-based compensation	(2,100)	700	(2,100)
State income taxes, net of federal benefit and refunds	5,200	2,400	1,100
Change in valuation allowance for state deferred tax assets			(100)
Other	1,400	1,600	300
Provision for income tax	26,600	18,200	5,600
Income before provision for income taxes	105,100	64,500	30,400
Deferred tax assets:
Operating lease liabilities	21,000	20,700
State net operating losses	8,000	6,800
Employee and retirement benefits	7,600	10,400
Allowance for credit losses		4,000
Other	1,900	2,600
Total deferred tax assets	38,500	44,500
Deferred tax liabilities:
Tangible and intangible assets	(33,600)	(31,900)
ROU operating lease assets	(22,100)	(21,900)
Other	(2,800)	(200)
Total deferred tax liabilities	(58,500)	(54,000)
Net deferred tax liabilities	$ (20,000)	(9,500)
Minimum
Deferred tax liabilities:
Period for net operating losses carry forward (in years)	5 years
Maximum
Deferred tax liabilities:
Period for net operating losses carry forward (in years)	20 years
Accrued Liabilities
Deferred tax liabilities:
Income tax payable		700
Prepaid expenses and other current assets
Deferred tax liabilities:
Income tax receivable	$ 2,700
Domestic
Reasons for difference between the provision for income taxes on pre-tax income from the amount computed by applying the U.S. federal statutory tax rate
Income before provision for income taxes	77,100	43,700	23,600
Foreign
Reasons for difference between the provision for income taxes on pre-tax income from the amount computed by applying the U.S. federal statutory tax rate
Income before provision for income taxes	$ 28,000	$ 20,800	$ 6,800

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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Earnings Per Share
Effect to the participating securities as result of net loss	$ 0.0
Basic and Diluted EPS:
Income from continuing operations	78.5	$ 46.3	$ 24.8
Less income attributable to participating shares	(0.6)	(0.4)	(0.1)
Income from continuing operations attributable to common stockholders	77.9	45.9	24.7
Income (Loss) from discontinued operations attributable to common stockholders	0.2	(10.5)	(20.4)
Net income attributable to common stockholders for earnings per share	$ 78.1	$ 35.4	$ 4.3
Weighted Average Shares:
Weighted average common shares outstanding - basic	35,600,000	35,000,000.0	34,800,000
Additional shares from assumed exercise of stock options	400,000	300,000	200,000
Weighted average common shares outstanding - diluted	36,000,000.0	35,300,000	35,000,000.0
Earnings per share - basic:
Earnings from continuing operations	$ 2.19	$ 1.31	$ 0.71
Loss from discontinued operations	0.01	(0.30)	(0.59)
Earnings per share - basic	2.20	1.01	0.12
Earnings per share - diluted:
Earnings from continuing operations	2.16	1.30	0.71
Loss from discontinued operations	0.01	(0.30)	(0.58)
Earnings per share - diluted	$ 2.17	$ 1.00	$ 0.13
Antidilutive shares excluded from the computation of diluted earnings per share (in shares)	229,800	1,054,400	669,400

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Employee Benefit Plans (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Employee benefit plans
Pension expense	$ 7.3	$ 4.0	$ 11.6
Net Periodic Benefit Cost
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Settlement Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Cash balance pension plan
Employee benefit plans
Interest crediting rate as a percentage of average 30-year treasury rate	100.00%
Average period of treasury rate used in determination of interest crediting rate	30 years
Average interest crediting rate (as a percent)	4.46%
Defined Benefit Pension Plans
Employee benefit plans
Pension expense	$ 0.5
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	159.0	$ 159.1
Service cost	1.5		$ 2.5
Interest cost	3.1	3.1
Participant contributions	0.1	0.3
Net actuarial (gain) loss	(25.0)	(4.4)
Benefits and administrative payments	(5.1)	(4.8)
Settlements	(2.5)	(2.0)
Curtailment	(2.0)	(2.5)
Foreign currency translation adjustment	(8.9)	7.7
Projected benefit obligation at end of year	120.2	159.0	159.1
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	158.4	131.8
Actual return on plan assets	(16.7)		23.8
Employer contributions	0.5	2.7
Participant contributions	0.1	0.3
Benefits and administrative payments, including settlements	(7.6)	(6.8)
Foreign currency translation adjustment	(8.5)	6.6
Fair value of plan assets at end of year	126.2	158.4	131.8
Funded status at end of year	6.0	(0.6)
Accumulated other comprehensive loss	30.9	37.8
Amounts recognized in the Consolidated Balance Sheets
Other non-current assets	9.7	10.4
Accrued liabilities	(0.3)	(0.4)
Other liabilities	(3.4)	(10.6)
Funded status at end of year	6.0	(0.6)
Accumulated benefit obligation in excess of plan assets
Accumulated benefit obligation	116.5	153.0
Net Periodic Benefit Cost
Service cost	1.5	2.5	2.8
Interest cost	3.1	3.1	3.8
Expected return on plan assets	(7.5)	(6.6)	(6.8)
Settlements	1.4	0.9	1.5
Recognized net actuarial loss	1.5	2.3	2.0
Total		2.2	3.3
Defined Benefit Pension Plans | Benefit obligation in excess of plan assets
Projected benefit obligation in excess of plan assets
Projected benefit obligation	3.7	88.1
Fair value of plan assets		77.1
Accumulated benefit obligation in excess of plan assets
Projected benefit obligation	3.7	88.1
Fair value of plan assets		77.1
Accumulated benefit obligation	3.7	82.1
Merged U.S. Plan
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	70.9	75.4
Service cost	0.3		0.3
Interest cost	2.0	2.1
Net actuarial (gain) loss	(7.6)	(1.9)
Benefits and administrative payments	(3.0)	(3.0)
Settlements	(2.5)	(2.0)
Projected benefit obligation at end of year	60.1	70.9	75.4
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	81.3	65.4
Actual return on plan assets	(6.8)		20.9
Benefits and administrative payments, including settlements	(5.5)	(5.0)
Fair value of plan assets at end of year	69.0	81.3	65.4
Funded status at end of year	8.9	10.4
Accumulated other comprehensive loss	26.2	24.7
Net Periodic Benefit Cost
Service cost	0.3	0.3	0.6
Interest cost	2.0	2.1	2.6
Expected return on plan assets	(5.0)	(4.8)	(4.9)
Settlements	1.4	0.9	1.5
Recognized net actuarial loss	1.2	1.5	1.2
Total	$ (0.1)		1.0
Merged U.S. Plan | Minimum
Employee benefit plans
Expected period to terminate the benefit plan	12 months
Merged U.S. Plan | Maximum
Employee benefit plans
Expected period to terminate the benefit plan	18 months
Other U.S. Plans
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$ 4.4	4.6
Interest cost	0.1	0.1
Net actuarial (gain) loss	(0.4)	0.1
Benefits and administrative payments	(0.4)	(0.4)
Projected benefit obligation at end of year	3.7	4.4	4.6
Change in the fair value of plan assets:
Employer contributions	0.4	0.4
Benefits and administrative payments, including settlements	(0.4)	(0.4)
Funded status at end of year	(3.7)	(4.4)
Accumulated other comprehensive loss	0.7	1.3
Net Periodic Benefit Cost
Interest cost	0.1	0.1	0.1
Recognized net actuarial loss	0.1	0.1	0.1
Total	$ 0.2	$ 0.2	$ 0.2
U.S. plans
Key weighted-average assumptions used in the measurement of the company's projected benefit obligations
Discount rate (as a percent)	2.96%	2.87%
Weighted-average assumptions used to determine net periodic pension expense
Discount rate: (as a percent)	2.87%	2.83%	3.67%
Expected long-term rate on plan assets: (as a percent)	7.25%	7.25%	7.25%
Netherlands Plan
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$ 83.7	$ 79.1
Service cost	1.2		$ 2.2
Interest cost	1.0	0.9
Participant contributions	0.1	0.3
Net actuarial (gain) loss	(17.0)	(2.6)
Benefits and administrative payments	(1.7)	(1.4)
Curtailment	(2.0)	(2.5)
Foreign currency translation adjustment	(8.9)	7.7
Projected benefit obligation at end of year	56.4	83.7	79.1
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	77.1	66.4
Actual return on plan assets	(9.9)		2.9
Employer contributions	0.1	2.3
Participant contributions	0.1	0.3
Benefits and administrative payments, including settlements	(1.7)	(1.4)
Foreign currency translation adjustment	(8.5)	6.6
Fair value of plan assets at end of year	57.2	77.1	66.4
Funded status at end of year	0.8	(6.6)
Accumulated other comprehensive loss	3.9	11.8
Net Periodic Benefit Cost
Service cost	1.2	2.2	2.2
Interest cost	1.0	0.9	1.1
Expected return on plan assets	(2.5)	(1.8)	(1.9)
Recognized net actuarial loss	0.2	0.7	0.7
Total	$ (0.1)	$ 2.0	$ 2.1
Key weighted-average assumptions used in the measurement of the company's projected benefit obligations
Discount rate (as a percent)	2.80%	1.20%
Weighted-average assumptions used to determine net periodic pension expense
Discount rate: (as a percent)	1.20%	1.20%	1.50%
Expected long-term rate on plan assets: (as a percent)	3.30%	2.50%	2.90%

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Employee Benefit Plans - Reconciliation of Pension Assets (Details) - Defined Benefit Pension Plans - USD ($) $ in Millions	May 31, 2022	May 31, 2021	May 31, 2020
Employee benefit plans
Fair value of plan assets	$ 126.2	$ 158.4	$ 131.8
U.S. mutual funds | Total
Employee benefit plans
Fair value of plan assets		40.3
International mutual funds | Total
Employee benefit plans
Fair value of plan assets		11.1
Government securities and corporate bond mutual funds | Total
Employee benefit plans
Fair value of plan assets	49.6	13.3
Funds-of-funds | Total
Employee benefit plans
Fair value of plan assets	45.9	61.3
Insurance Annuities | Total
Employee benefit plans
Fair value of plan assets	11.3	15.6
Cash and cash equivalents | Total
Employee benefit plans
Fair value of plan assets	14.6	0.7
Total Investments | Total
Employee benefit plans
Fair value of plan assets	121.4	142.3
Total pension plan assets | Total
Employee benefit plans
Fair value of plan assets	126.2	158.4
Quoted prices in active markets (Level 1) | U.S. mutual funds
Employee benefit plans
Fair value of plan assets		40.3
Quoted prices in active markets (Level 1) | International mutual funds
Employee benefit plans
Fair value of plan assets		11.1
Quoted prices in active markets (Level 1) | Cash and cash equivalents
Employee benefit plans
Fair value of plan assets	14.6	0.7
Quoted prices in active markets (Level 1) | Total Investments
Employee benefit plans
Fair value of plan assets	14.6	52.1
Significant other observable inputs (Level 2) | Government securities and corporate bond mutual funds
Employee benefit plans
Fair value of plan assets	49.6	13.3
Significant other observable inputs (Level 2) | Funds-of-funds
Employee benefit plans
Fair value of plan assets	45.9	61.3
Significant other observable inputs (Level 2) | Total Investments
Employee benefit plans
Fair value of plan assets	95.5	74.6
Significant other unobservable inputs (Level 3) | Insurance Annuities
Employee benefit plans
Fair value of plan assets	11.3	15.6	$ 11.7
Significant other unobservable inputs (Level 3) | Total Investments
Employee benefit plans
Fair value of plan assets	11.3	15.6
Measured at net asset value | Other investments measured at net asset value | Total
Employee benefit plans
Fair value of plan assets	$ 4.8	$ 16.1

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Employee Benefit Plans - Reconciliation of Level 3 Pension Assets (Details) - Defined Benefit Pension Plans - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	$ 158.4	$ 131.8
Fair value of plan assets at end of year	126.2	158.4
Total.
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	31.7	24.5
Purchases		3.9
Sales	(15.3)
Return on plan assets related to assets still held at May 31	(0.3)	3.3
Fair value of plan assets at end of year	16.1	31.7
Significant other unobservable inputs (Level 3) | Insurance Annuities
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	15.6	11.7
Purchases		3.9
Sales	(4.3)
Fair value of plan assets at end of year	11.3	15.6
Measured at net asset value | Hedge Funds
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	5.1	4.3
Return on plan assets related to assets still held at May 31	(0.3)	0.8
Fair value of plan assets at end of year	4.8	5.1
Measured at net asset value | Fund-of-funds
Change in the fair value of plan assets:
Fair value of plan assets at beginning of year	11.0	8.5
Sales	$ (11.0)
Return on plan assets related to assets still held at May 31		2.5
Fair value of plan assets at end of year		$ 11.0

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Employee Benefit Plans - Future Benefit Payments and Defined Contribution Plan (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Defined Contribution Plan
Vesting period	3 years
Expense charged to statement of income	$ 7.3	$ 4.0	$ 11.6
Maximum
Defined Contribution Plan
Maximum percentage of pretax compensation that can be contributed by employees' for 401 (k) defined contribution plan			75.00%
Maximum matching contribution of employer for 401 (k) defined contribution plan (as a percent)			5.00%
Defined Benefit Pension Plans
Estimated future pension payments
2023	6.5
2024	59.8
2025	2.5
2026	2.6
2027	2.8
2028 to 2032	12.8
Funded status
Unfunded projected benefit obligation	(6.0)	0.6
Defined Contribution Plan
Expense charged to statement of income	0.5
Domestic plans
Estimated future pension payments
Anticipated contribution in next fiscal year	0.3
Netherlands Plan
Funded status
Unfunded projected benefit obligation	$ (0.8)	$ 6.6

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Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Accumulated Other Comprehensive Loss
Balance at beginning of the period	$ (18.3)	$ (44.6)	$ (40.9)
Other comprehensive income before reclassifications	(2.1)	10.3	(4.9)
Amounts reclassified from AOCL	0.8	16.0	1.2
Total other comprehensive income (loss), net of tax	(1.3)	26.3	(3.7)
Balance at end of the period	(19.6)	(18.3)	(44.6)
Currency Translation Adjustments
Accumulated Other Comprehensive Loss
Balance at beginning of the period	3.9	(2.0)	(2.1)
Other comprehensive income before reclassifications	(6.7)	5.9	0.1
Amounts reclassified from AOCL	0.0
Total other comprehensive income (loss), net of tax	(6.7)	5.9	0.1
Balance at end of the period	(2.8)	3.9	(2.0)
Pension Plans
Accumulated Other Comprehensive Loss
Balance at beginning of the period	(22.2)	(42.6)	(38.8)
Other comprehensive income before reclassifications	4.6	4.4	(5.0)
Amounts reclassified from AOCL	0.8	16.0	1.2
Total other comprehensive income (loss), net of tax	5.4	20.4	(3.8)
Balance at end of the period	$ (16.8)	$ (22.2)	$ (42.6)

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Other Non-current Assets (Details) - USD ($) $ in Millions	May 31, 2022	May 31, 2021
Other Non-current Assets
Contract assets	$ 22.5	$ 21.6
License fees	22.2	25.0
Investments in joint ventures	20.0	18.3
Assets under deferred compensation plan	12.4	12.6
Pension assets	9.8	10.4
Other	10.9	10.9
Other non-current assets	$ 97.8	$ 98.8

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Other Non-current Assets - Investments in Joint Ventures (Details) $ in Millions	1 Months Ended		3 Months Ended			12 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2011	May 31, 2022 USD ($) engine	Nov. 30, 2020 USD ($)	May 31, 2020 USD ($)	May 31, 2022 USD ($)	May 31, 2021 USD ($)	May 31, 2020 USD ($)
Investments in Joint Ventures
Investments in joint ventures			$ 20.0			$ 20.0	$ 18.3
License Fees
Unamortized balance of the license			22.2			22.2	25.0
Cumulative premiums paid			5.5			5.5
Proceeds from termination of split-dollar life insurance agreement				$ 12.0
Proceeds from termination of split-dollar life insurance agreements premiums paid				10.0
Net recoveries of prior taxes paid on behalf of employees				$ 1.3
Earnings (Loss) from joint ventures						(2.9)	0.2	$ (1.9)
Unison Industries
License Fees
Agreement period (in years)		10 years
Payment of license fee	$ 25.0
License fee capitalized	$ 25.0
Unamortized balance of the license			21.3			21.3
Owned Through Joint Ventures
Investments in Joint Ventures
Amount of guarantee liability recognized			$ 9.0			$ 9.0
Percentage on outstanding debt			40.00%			40.00%
Owned Through Joint Ventures | Aircraft
Investments in Joint Ventures
Number of aircraft engines acquired | engine			2
Payments to acquire aircraft and engine			$ 16.8			$ 16.8
Remarketing fees earned			0.2
Net cash proceeds from sale of aircraft by joint ventures			17.0
Payment of evaluation and inspection services						1.1	1.0	1.6
Owned Through Joint Ventures | Joint venture in India
Investments in Joint Ventures
Investments in joint ventures			$ 11.7			$ 11.7
Membership interest in joint ventures (as a percent)			40.00%			40.00%
Amount of guarantee liability recognized			$ 9.0			$ 9.0
Percentage on outstanding debt			40.00%			40.00%
Loan to joint venture			$ 3.2			$ 3.2
License Fees
Earnings (Loss) from joint ventures						$ 1.8	$ 0.0	$ 0.1
Owned Through Joint Ventures | Joint venture in Malaysia
License Fees
Impairment charge			$ 0.7		$ 1.9

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Leases (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Operating lease cost
Operating lease cost	$ 20.8	$ 16.4	$ 18.4
Short-term lease cost	2.2	1.7	5.3
Variable lease cost	9.2	3.5	7.4
Total operating lease cost	$ 32.2	$ 21.6	$ 31.1

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Leases - Maturities (Details) - USD ($) $ in Millions	May 31, 2022	May 31, 2021
Future minimum payments under operating leases
2023	$ 13.6
2024	12.4
2025	11.0
2026	9.2
2027	8.5
Thereafter	25.5
Total undiscounted payments	80.2
Less: Imputed interest	(11.7)
Present value of minimum lease payments	68.5
Less: Operating lease liabilities - current	$ (11.1)
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued Liabilities, Current
Operating lease liabilities - non-current	$ 57.4	$ 59.9

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Leases - weighted-average remaining lease term and weighted-average discount rate (Details)	May 31, 2022	May 31, 2021
Leases
Remaining lease term	7 years 7 months 6 days	8 years 6 months
Discount rate	3.70%	3.80%

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Leases - Supplemental cash flow information (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Leases
Cash paid for amounts included in the measurement of lease liabilities	$ 14.1	$ 15.3	$ 16.5
Operating lease liabilities arising from obtaining ROU assets	$ 9.5	$ 5.2	$ 13.0

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Commitments (Details) $ in Millions	May 31, 2022 USD ($)
Aggregate amount of purchase obligations due in each of the next five fiscal years
2023	$ 406.6
2024	79.3
2025	17.7
2026	0.9
2027	0.7
Letters of credit and performance bonds outstanding	23.0
Owned Through Joint Ventures
Aggregate amount of purchase obligations due in each of the next five fiscal years
Letters of credit and performance bonds outstanding	$ 12.9
Percentage on outstanding debt	40.00%
Amount of guarantee liability recognized	$ 9.0

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Government Subsidies (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Aug. 31, 2020	May 31, 2022	May 31, 2021
Amounts paid, Deferred payroll taxes, CARES Act	$ 6.2
Funding received from Cares Act Payroll Support Program		$ 57.2
Grant proceeds to be used for payment of employee wages, salaries and benefits under the CARES Act		48.5
Employment subsidies from foreign governments			$ 4.9	$ 7.9
Accrued Liabilities.
Deferred payroll taxes, CARES Act			6.2
Covid-19 | Payroll Support Program Promissory Note
Promissory note proceeds		$ 8.7
Term of debt		10 years
Covid-19 | Payroll Support Program Promissory Note | First five years
Interest rate (as a percent)		1.00%
Covid-19 | Payroll Support Program Promissory Note | Six to ten years
Interest rate (as a percent)		2.00%
Covid-19 | Payroll Support Program Promissory Note | First five years, interest in kind
Interest rate (as a percent)		3.00%
Covid-19 | Payroll Support Program Promissory Note | Remaining term, interest in kind
Interest rate (as a percent)		1.00%
Covid-19 | Cost of sales
Contra-expense recognized for grant received from the Payroll Support Program under the CARES Act			47.5
Covid-19 | Selling, general and administrative expenses
Contra-expense recognized for grant received from the Payroll Support Program under the CARES Act			$ 1.0

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Sale of Composites Business (Details) - USD ($) $ in Millions		3 Months Ended			12 Months Ended
	Aug. 31, 2020	Nov. 30, 2021	May 31, 2021	Aug. 31, 2020	May 31, 2022	May 31, 2021
Discontinued Operations
Losses on sale and exit of business					$ 1.7	$ 20.2
Composites Business
Discontinued Operations
Losses on sale and exit of business			$ 0.7	$ 19.5
Maximum contingent consideration	$ 6.5			$ 6.5
Contingent consideration period for achievement of target sales	3 years
Charge recognized to reflect reduction of fair value		$ 1.3
Fair value of earn-out consideration		$ 0.0

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Business Segment Information - Segment reporting (Details) $ in Millions	12 Months Ended
	May 31, 2022 USD ($) segment	May 31, 2021 USD ($)	May 31, 2020 USD ($)
Business Segment Information
Number of business segments | segment	2
Net sales	$ 1,820.0	$ 1,652.3	$ 2,072.0
Gross profit	313.2	275.9	269.2
Total assets	1,573.9	1,539.7
Depreciation and amortization, including amortization of stock-based compensation, Net	41.3	45.5	51.0
Continuing operations
Business Segment Information
Capital expenditures	17.3	11.3	23.6
Aviation Services
Business Segment Information
Net sales	1,745.8	1,553.7	1,964.2
Gross profit	297.5	263.2	267.3
Total assets	1,367.3	1,357.2
Aviation Services | Continuing operations
Business Segment Information
Capital expenditures	16.2	8.1	16.9
Depreciation and amortization, including amortization of stock-based compensation, Gross	31.2	33.7	39.2
Expeditionary Services
Business Segment Information
Net sales	74.2	98.6	107.8
Gross profit	15.7	12.7	1.9
Total assets	74.8	73.0
Expeditionary Services | Continuing operations
Business Segment Information
Capital expenditures	1.0	3.1	5.4
Depreciation and amortization, including amortization of stock-based compensation, Gross	1.6	2.3	3.7
Corporate | Continuing operations
Business Segment Information
Capital expenditures	0.1	0.1	1.3
Depreciation and amortization, including amortization of stock-based compensation, Gross	8.5	9.5	$ 8.1
Corporate | Discontinued operations
Business Segment Information
Total assets	$ 131.8	$ 109.5

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Business Segment Information - Reconciliation of Segment Gross Profit to Income (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Reconciliation of segment gross profit to income from continuing operations before provision for income taxes
Segment gross profit	$ 313.2	$ 275.9	$ 269.2
Provision for credit losses	(1.2)	(8.5)	(5.4)
Selling, general and administrative	(202.2)	(182.4)	(220.6)
Earnings (Loss) from joint ventures	(2.9)	0.2	(1.9)
Losses related to sale and exit of business	(1.7)	(20.2)
Other income (expenses), net	2.2	4.3	(2.1)
Interest expense	(2.4)	(5.0)	(9.3)
Interest income	0.1	0.2	0.5
Income from continuing operations before provision for income taxes	$ 105.1	$ 64.5	$ 30.4

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Business Segment Information - Customers Percentage of Sales (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Business Segment Information
Net sales	$ 1,820.0	$ 1,652.3	$ 2,072.0
U.S. Department of Defense, other U.S. government agencies and their contractors
Business Segment Information
Net sales	620.0	738.8	668.2
Aviation Services
Business Segment Information
Net sales	1,745.8	1,553.7	1,964.2
Aviation Services | U.S. Department of Defense, other U.S. government agencies and their contractors
Business Segment Information
Net sales	557.4	657.0	588.7
Expeditionary Services
Business Segment Information
Net sales	74.2	98.6	107.8
Expeditionary Services | U.S. Department of Defense, other U.S. government agencies and their contractors
Business Segment Information
Net sales	$ 62.6	$ 81.8	$ 79.5
Customer | Total sales | U.S. Department of Defense, other U.S. government agencies and their contractors
Business Segment Information
Percentage of total sales	34.10%	44.70%	32.20%

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Business Segment Information - Sales by Product and Services (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Net sales	$ 1,820.0	$ 1,652.3	$ 2,072.0
Aviation supply chain
Net sales	1,275.1	1,172.7	1,434.3
Maintenance, repair and overhaul services
Net sales	470.7	381.0	529.9
Mobility products
Net sales	$ 74.2	$ 98.6	$ 107.8

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Business Segment Information - Geographic Data (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Business Segment Information
Net sales	$ 1,820.0	$ 1,652.3	$ 2,072.0
Long-lived assets	566.7	602.7
United States
Business Segment Information
Long-lived assets	400.4	419.1
Europe
Business Segment Information
Long-lived assets	74.3	83.1
Other,
Business Segment Information
Long-lived assets	92.0	100.5
Foreign countries
Business Segment Information
Net sales	$ 484.5	$ 370.5	$ 591.8
Foreign countries | Total sales | Geographic concentration
Business Segment Information
Percentage of total sales	26.60%	22.40%	28.60%
Aviation Services
Business Segment Information
Net sales	$ 1,745.8	$ 1,553.7	$ 1,964.2
Aviation Services | North America
Business Segment Information
Net sales	1,346.2	1,255.7	1,505.6
Aviation Services | Europe
Business Segment Information
Net sales	223.7	207.5	330.8
Aviation Services | Other.
Business Segment Information
Net sales	175.9	90.5	127.8
Expeditionary Services
Business Segment Information
Net sales	74.2	98.6	107.8
Expeditionary Services | North America
Business Segment Information
Net sales	74.0	95.9	98.4
Expeditionary Services | Europe
Business Segment Information
Net sales	$ 0.2	2.6	9.0
Expeditionary Services | Other.
Business Segment Information
Net sales		$ 0.1	$ 0.4

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Business Segment Information - Sales and Gross Profit (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Disaggregation of revenue by major customer markets
Sales	$ 1,820.0	$ 1,652.3	$ 2,072.0
Gross profit	313.2	275.9	269.2
Aviation Services
Disaggregation of revenue by major customer markets
Sales	1,745.8	1,553.7	1,964.2
Gross profit	297.5	263.2	267.3
Aviation Services | Commercial
Disaggregation of revenue by major customer markets
Sales	1,081.6	793.9	1,268.9
Aviation Services | Government and defense
Disaggregation of revenue by major customer markets
Sales	664.2	759.8	695.3
Expeditionary Services
Disaggregation of revenue by major customer markets
Sales	74.2	98.6	107.8
Gross profit	15.7	12.7	1.9
Expeditionary Services | Commercial
Disaggregation of revenue by major customer markets
Sales	2.2	12.5	24.3
Expeditionary Services | Government and defense
Disaggregation of revenue by major customer markets
Sales	$ 72.0	$ 86.1	$ 83.5

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Legal Proceedings and Other Matters - Additional Information (Details) $ in Millions	1 Months Ended	12 Months Ended	24 Months Ended
	Jun. 30, 2021 USD ($)	May 31, 2021 USD ($)	Dec. 31, 2017 item	May 31, 2022 USD ($)
Legal Proceedings and Other Matters
Loss contingency, loss recognized in period		$ 11.0
Number of engines purchased | item			4
Litigation settlement, amount awarded to other party	$ 11.5
Fair market value of engines at the time of sale				$ 13.0