10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

Form 10-Q

(Mark One)

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 29, 2016

Or

o 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 001-33160

Spirit AeroSystems Holdings, Inc.

(Exact name of registrant as specified in its charter)

Delaware	20-2436320
(State or other jurisdiction of  incorporation or organization)	(I.R.S. Employer Identification No.)

3801 South Oliver

Wichita, Kansas 67210

(Address of principal executive offices and zip code)

Registrant’s telephone number, including area code:

(316) 526-9000

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 x  No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes x  No o

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

Large accelerated filer x Accelerated filer o Non-accelerated filer o (Do not check if a smaller reporting company) Smaller reporting company o

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

As of October 27, 2016, the registrant had outstanding 121,651,382 shares of class A common stock, $0.01 par value per share, and 0 shares of class B common stock, $0.01 par value per share.

1

TABLE OF CONTENTS

	PART I — FINANCIAL INFORMATION
		Page
Item 1.	Financial Statements (unaudited)	3
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	35
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	51
Item 4.	Controls and Procedures	51
PART II — OTHER INFORMATION
Item 1.	Legal Proceedings	52
Item 1A.	Risk Factors	52
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	52
Item 6.	Exhibits	53
Signatures		54

2

PART 1. FINANCIAL INFORMATION

Item 1. Financial Statements (unaudited)

Spirit AeroSystems Holdings, Inc.

Condensed Consolidated Statements of Operations

(unaudited)

	For the Three  Months Ended						For the Nine   Months Ended
	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
	($ in millions, except per share data)
Net revenues	$	1,711.4		$	1,593.6		$	5,222.9		$	5,034.5
Operating costs and expenses
Cost of sales	1,439.4			1,341.0			4,470.4			4,197.2
Selling, general and administrative	52.2			54.5			172.4			159.9
Research and development	5.4			6.5			15.9			20.2
Total operating costs and expenses	1,497.0			1,402.0			4,658.7			4,377.3
Operating income	214.4			191.6			564.2			657.2
Interest expense and financing fee amortization	(12.2		)	(11.7		)	(47.5		)	(41.7		)
Other expense, net	(0.3		)	(2.5		)	(8.7		)	(0.8		)
Income before income taxes and equity in net income of affiliate	201.9			177.4			508.0			614.7
Income tax (provision) benefit	(57.3		)	135.9			(147.8		)	34.8
Income before equity in net income of affiliate	144.6			313.3			360.2			649.5
Equity in net income of affiliate	0.5			0.3			1.3			0.9
Net income	$	145.1		$	313.6		$	361.5		$	650.4
Earnings per share
Basic	$	1.16		$	2.25		$	2.82		$	4.67
Diluted	$	1.16		$	2.24		$	2.80		$	4.64

See notes to condensed consolidated financial statements (unaudited)

3

Spirit AeroSystems Holdings, Inc.

Condensed Consolidated Statements of Comprehensive Income

(unaudited)

	For the Three Months Ended						For the Nine   Months Ended
	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
	($ in millions)
Net income	$	145.1		$	313.6		$	361.5		$	650.4
Changes in other comprehensive loss, net of tax:
Settlement of swap, net of tax effect of zero for each of the three and nine months ended, respectively	—			—			—			1.1
Pension, SERP, and Retiree medical adjustments, net of tax effect of ($0.2) and zero for the three months ended and ($0.6) and zero for the nine months ended, respectively	0.4			(0.6		)	1.4			(2.5		)
Unrealized foreign exchange loss on intercompany loan, net of tax effect of $0.3 and $0.4 for the three months ended and $1.4 and $0.4 for the nine months ended, respectively	(1.1		)	(1.5		)	(5.5		)	(1.4		)
Foreign currency translation adjustments	(7.8		)	(9.3		)	(38.8		)	(8.2		)
Total other comprehensive loss	(8.5		)	(11.4		)	(42.9		)	(11.0		)
Total comprehensive income	$	136.6		$	302.2		$	318.6		$	639.4

See notes to condensed consolidated financial statements (unaudited)

4

Spirit AeroSystems Holdings, Inc.

Condensed Consolidated Balance Sheets

(unaudited)

	September 29, 2016			December 31, 2015
	($ in millions)
Current assets
Cash and cash equivalents	$	670.4		$	957.3
Accounts receivable, net	748.6			537.0
Inventory, net	1,488.1			1,774.4
Other current assets	25.1			30.4
Total current assets	2,932.2			3,299.1
Property, plant and equipment, net	1,934.7			1,950.7
Pension assets	256.1			246.9
Other assets	238.2			267.8
Total assets	$	5,361.2		$	5,764.5
Current liabilities
Accounts payable	$	591.8		$	618.2
Accrued expenses	227.0			230.2
Profit sharing	64.0			61.6
Current portion of long-term debt	34.2			34.9
Advance payments, short-term	201.4			178.3
Deferred revenue and other deferred credits, short-term	311.5			285.5
Deferred grant income liability - current	13.8			11.9
Other current liabilities	84.6			37.7
Total current liabilities	1,528.3			1,458.3
Long-term debt	1,071.1			1,085.3
Advance payments, long-term	382.5			507.4
Pension/OPEB obligation	71.6			67.7
Deferred revenue and other deferred credits	167.3			170.0
Deferred grant income liability - non-current	68.5			82.3
Other liabilities	262.6			273.5
Equity
Preferred stock, par value $0.01, 10,000,000 shares authorized, no shares issued	—			—
Common stock, Class A par value $0.01, 200,000,000 shares authorized, 121,660,191 and 135,617,589 shares issued and outstanding, respectively	1.2			1.4
Common stock, Class B par value $0.01, 150,000,000 shares authorized, 121 shares issued and outstanding each period, respectively	—			—
Additional paid-in capital	1,072.1			1,051.6
Accumulated other comprehensive loss	(203.4		)	(160.5		)
Retained earnings	2,017.7			1,656.2
Treasury stock, at cost (23,936,092 and 9,691,865 shares, respectively)	(1,078.8		)	(429.2		)
Total shareholders’ equity	1,808.8			2,119.5
Noncontrolling interest	0.5			0.5
Total equity	1,809.3			2,120.0
Total liabilities and equity	$	5,361.2		$	5,764.5

 See notes to condensed consolidated financial statements (unaudited)

5

Spirit AeroSystems Holdings, Inc.

Condensed Consolidated Statements of Cash Flows

(unaudited)

	For the Nine Months Ended
	September 29, 2016			October 1, 2015
	($ in millions)
Operating activities
Net income	$	361.5		$	650.4
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation expense	149.1			133.4
Amortization expense	0.2			0.6
Amortization of deferred financing fees	18.5			6.0
Accretion of customer supply agreement	3.5			1.6
Employee stock compensation expense	35.7			19.0
Excess tax benefit of share-based payment arrangements	0.1			(10.7		)
Loss from hedge contracts	—			1.6
Loss from foreign currency transactions	15.9			6.3
(Gain) loss on disposition of assets	(0.5		)	3.0
Deferred taxes	34.7			(200.7		)
Pension and other post-retirement benefits, net	(5.0		)	(19.7		)
Grant liability amortization	(8.6		)	(7.5		)
Equity in net income of affiliate	(1.3		)	(0.9		)
Changes in assets and liabilities
Accounts receivable	(220.8		)	24.4
Inventory, net	257.3			(53.9		)
Accounts payable and accrued liabilities	(18.6		)	11.2
Profit sharing/deferred compensation	2.8			(48.8		)
Advance payments	(101.8		)	(75.0		)
Income taxes receivable/payable	1.3			179.6
Deferred revenue and other deferred credits	26.0			290.3
Other	24.4			59.2
Net cash provided by operating activities	574.4			969.4
Investing activities
Purchase of property, plant and equipment	(156.8		)	(216.5		)
Proceeds from sale of assets	0.6			1.8
Net cash used in investing activities	(156.2		)	(214.7		)
Financing activities
Proceeds from issuance of debt	—			535.0
Proceeds from issuance of bonds	299.8			—
Principal payments of debt	(16.7		)	(29.2		)
Payments on term loan	—			(534.9		)
Payments on bonds	(300.0		)	—
Taxes paid related to net share settlement awards	(15.2		)	(20.7		)
Excess tax benefit of share-based payment arrangements	(0.1		)	10.7
Debt issuance and financing costs	(17.2		)	(4.7		)
Purchase of treasury stock	(649.6		)	(45.9		)
Net cash used in financing activities	(699.0		)	(89.7		)
Effect of exchange rate changes on cash and cash equivalents	(6.1		)	(0.2		)
Net (decrease) increase in cash and cash equivalents for the period	(286.9		)	664.8
Cash and cash equivalents, beginning of period	957.3			377.9
Cash and cash equivalents, end of period	$	670.4		$	1,042.7

See notes to condensed consolidated financial statements (unaudited)

6

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

1.  Organization and Basis of Interim Presentation

Spirit AeroSystems Holdings, Inc. ("Holdings" or the "Company") was incorporated in the state of Delaware on February 7, 2005, and commenced operations on June 17, 2005 through the acquisition of Boeing's operations in Wichita, Kansas; Tulsa, Oklahoma; and McAlester, Oklahoma (the "Boeing Acquisition") by an investor group led by Onex Partners LP and Onex Corporation (together with its affiliates, "Onex"). In August 2014, Onex sold its remaining investment in the Company in a secondary offering of the Company's class A common stock. Holdings provides manufacturing and design expertise in a wide range of fuselage, propulsion and wing products and services for aircraft original equipment manufacturers ("OEM") and operators through its subsidiary, Spirit AeroSystems, Inc. ("Spirit"). The Company has its headquarters in Wichita, Kansas, with manufacturing facilities in Tulsa and McAlester, Oklahoma; Prestwick, Scotland; Wichita, Kansas; Kinston, North Carolina; and Subang, Malaysia. The Company has an assembly facility in Saint-Nazaire, France.

The Company is the majority participant in the Kansas Industrial Energy Supply Company ("KIESC"), a tenancy-in-common with other Wichita companies established to purchase natural gas.

The Company participates in a joint venture, Taikoo Spirit AeroSystems Composite Co. Ltd. ("TSACCL"), of which Spirit's ownership interest is 31.5%. TSACCL was formed to develop and implement a state of the art composite and metal bond component repair station in the Asia-Pacific region.

The accompanying unaudited interim condensed consolidated financial statements include the Company’s financial statements and the financial statements of its majority-owned or controlled subsidiaries and have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and the instructions to Form 10-Q and Article 10 of Regulation S-X.  The Company's fiscal quarters are 13 weeks in length. Because the Company's fiscal year ends on December 31, the number of days in the Company's first and fourth quarters varies slightly from year to year. The year-end condensed balance sheet was derived from audited financial statements, but does not include all disclosures required by GAAP.  The Company's investment in TSACCL, in which the Company does not have a controlling interest, is accounted for under the equity method.  KIESC is fully consolidated as the Company owns 77.8% of the entity’s equity.  All intercompany balances and transactions have been eliminated in consolidation. The Company’s U.K. subsidiary uses local currency, the British pound, as its functional currency; the Malaysian subsidiary uses the British pound and the Singapore subsidiary uses the Singapore dollar.  All other foreign subsidiaries and branches use the U.S. dollar as their functional currency.

As part of the monthly consolidation process, the Company's international entities that have functional currencies other than the U.S. dollar are translated to U.S. dollars using the end-of-month translation rate for balance sheet accounts and average period currency translation rates for revenue and income accounts.

In the opinion of management, the accompanying unaudited interim condensed consolidated financial statements contain all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation of the results of operations for the interim periods. The results of operations for the nine months ended September 29, 2016 are not necessarily indicative of the results that may be expected for the year ending December 31, 2016. Certain reclassifications have been made to the prior year financial statements and notes to conform to the 2016 presentation.

In connection with the preparation of the condensed consolidated financial statements, the Company evaluated subsequent events through the date the financial statements were issued. The interim financial statements should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included in the Company's 2015 Annual Report on Form 10-K filed with the Securities and Exchange Commission (the “SEC”) on February 12, 2016 (the "2015 Form 10-K").

2.  New Accounting Pronouncements

In August 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-15, Statement of Cash Flows (Topic 230), Classification of Certain Cash Receipts and Cash Payments (“ASU 2016-15”). ASU 2016-15 provides guidance on eight specific cash flow classification issues. Current GAAP does not include specific guidance on these eight cash flow classification issues. The amendments of this ASU are effective for reporting periods beginning after December 15, 2017, with early adoption permitted. The adoption of ASU 2016-15 is not expected to have a material impact on the Company's consolidated financial statements.

7

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

In May 2016, the FASB issued ASU 2016-11, Revenue Recognition (Topic 605) and Derivatives and Hedging (Topic 815): Rescission of SEC Guidance Because of Accounting Standards Updates 2014-09 and 2014-16 Pursuant to Staff Announcements at the March 3, 2016 EITF Meeting (SEC Update)") (ASU 2016-11), which rescinds various standards codified as part of Topic 605, Revenue Recognition in relation to the future adoption of Topic 606. These rescissions include changes to topics pertaining to revenue and expense recognition for freight services in process, accounting for shipping and handling fees and costs and accounting for consideration given by a vendor to a customer. This guidance is effective for the Company in its first quarter of fiscal 2018 and early adoption as permitted. The Company is currently evaluating the guidance and impact the adoption of ASU 2016-11 will have on its consolidated financial statements.

In March 2016, the FASB issued ASU No. 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting (ASU 2016-09). ASU 2016-09 identifies areas for simplification involving several aspects of accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, an option to recognize gross stock compensation expense with actual forfeitures recognized as they occur, as well as certain classifications on the statement of cash flows. ASU 2016-09 will be effective for annual periods beginning after December 15, 2016. Early adoption is permitted. The Company elected to early adopt these amendments beginning in the second quarter of 2016. Beginning in that quarter, excess tax benefits or deficiencies in respect of stock-based compensation were reflected in the Consolidated Statements of Operations as a component of the income tax provision. Previously, they were recognized in equity as part of additional paid-in-capital. Also, beginning in that quarter, the Company's Consolidated Statement of Cash Flows presents excess tax benefits or deficiencies as an operating activity. Accordingly, the Consolidated Statement of Cash Flows for the nine months ended September 29, 2016 includes a $4.4 increase to net cash provided by operating activities. The Company has also elected to account for forfeitures using an expected estimate rather than recording forfeitures as they occur as permitted by ASU 2016-09. See Note 15, Income Taxes, for information regarding the additional impact on the Company's financial statements.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842) (ASU 2016-02). This update requires recognition of lease assets and lease liabilities on the balance sheet of lessees. ASU 2016-02 is effective for fiscal years and interim reporting periods within those years beginning after December 15, 2018. Early adoption is permitted. ASU 2016-02 requires a modified retrospective transition approach and provides certain optional transition relief. The Company is currently evaluating the new guidance to determine the impact it may have to the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers, which supersedes the revenue recognition requirements in ASC 605, Revenue Recognition (ASU 2014-09). This update is based on the principle that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 was supposed to be effective in annual periods beginning after December 15, 2016 and for interim and annual reporting periods thereafter. However, in July 2015, the FASB affirmed its proposal to defer the effective date of ASU 2014-09 for all entities by one year. As a result, ASU 2014-09 is effective for annual reporting periods beginning after December 15, 2017, with an option that would permit companies to adopt the standard as early as the original effective date. Early adoption prior to the original effective date is not permitted. In March 2016, the FASB issued ASU 2016-08, Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations (Reporting Revenue Gross versus Net) and in April 2016, ASU 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing, both of which provide supplemental adoption guidance and clarification to ASC 2014-09. In May 2016, the FASB issued ASU 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients, which addresses implementation issues that were raised by stakeholders and discussed by the Revenue Recognition Transition Resource Group. ASU 2016-08, ASU 2016-10 and ASU 2016-12 must be adopted concurrently with the adoption of ASU 2014-09. The Company is currently evaluating the new guidance to determine the impact it may have to the Company's consolidated financial statements.

3.  Changes in Estimates

The Company has a Company-wide quarterly Estimate at Completion (EAC) process in which management assesses the progress and performance of the Company's contracts. This process requires management to review each program’s progress towards completion by evaluating the program schedule, changes to identified risks and opportunities, changes to estimated contract revenues and estimated contract costs over the current contract block and any outstanding contract matters. Risks and opportunities include management's judgment about the cost associated with a program’s ability to achieve the schedule, technical requirements (e.g., a newly-developed product versus a mature product) and any other contract requirements. The majority of the Company's fixed priced contracts are life of aircraft program contracts. Due to the span of years it may take to complete a contract block and the scope and nature of the work required to be performed on those contracts, the estimation of total revenue and costs at completion

8

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

is complicated and subject to many variables and, accordingly, is subject to change. When adjustments in estimated total contract block revenue or estimated total cost are required, any changes from prior estimates for delivered units are recognized in the current period as a cumulative catch-up adjustment for the inception-to-date effect of such changes. Cumulative catch-up adjustments are driven by several factors including improved production efficiencies, assumed rate of production, the rate of overhead absorption, changes to scope of work and contract modifications. When estimates of total costs to be incurred on a contract block exceed estimates of total revenue to be earned, a provision for the entire loss on the contract block is recorded in the period in which the loss is determined. Changes in estimates are summarized below:

	For the Three Months Ended					For the Nine Months Ended
Changes in Estimates	September 29, 2016			October 1, 2015		September 29, 2016			October 1, 2015
Cumulative Catch-up Adjustment by Segment
Fuselage	$	(1.9	)	$	7.8	$	15.1		$	15.4
Propulsion	(1.6		)	8.4		(1.8		)	19.8
Wing	(0.8		)	2.8		18.7			1.2
Total Favorable (Unfavorable) Cumulative Catch-up Adjustment	$	(4.3	)	$	19.0	$	32.0		$	36.4
Changes in Estimates on Loss Programs (Forward Loss)
Fuselage
Boeing - All other platforms	$	(1.6	)	$	—	$	2.4		$	6.4
Airbus A350 XWB	—			—		(135.7		)	—
Other Platforms	—			—		0.3			—
Total Fuselage (Forward Loss) Change in Estimate on Loss Programs	$	(1.6	)	$	—	$	(133.0	)	$	6.4
Propulsion
Boeing - All other platforms	$	(0.5	)	$	—	$	2.6		$	(1.3	)
Rolls-Royce BR725	—			—		3.4			—
Total Propulsion (Forward Loss) Change in Estimate on Loss Programs	$	(0.5	)	$	—	$	6.0		$	(1.3	)
Wing
Boeing - All other platforms	$	(0.6	)	$	—	$	3.6		$	—
Airbus A350 XWB	1.5			—		1.5			—
Total Wing Change in Estimate on Loss Programs	$	0.9		$	—	$	5.1		$	—
Total (Forward Loss) Change in Estimate on Loss Programs	$	(1.2	)	$	—	$	(121.9	)	$	5.1
Total Change in Estimate	$	(5.5	)	$	19.0	$	(89.9	)	$	41.5
EPS Impact (diluted per share based upon statutory rates)	$	(0.03	)	$	0.09	$	(0.44	)	$	0.19

Airbus A350 XWB

During the second quarter of 2016, Spirit signed a memorandum of agreement with Airbus (the "Airbus 2016 MOA") which, in part, materially reset the pricing for 800 units on the A350 XWB Fuselage and Wing requirements contracts. The Airbus 2016 MOA was negotiated to economically compensate Spirit for significant engineering changes to aircraft design. The new pricing provided the Company with a higher degree of certainty of revenue that will be realized over the 800 unit contracts. Further, the Company analyzed A350 XWB market demand using third party publications as well as Airbus firm orders which indicated that the sustained demand for the A350 XWB program was in excess of 800 units. The Company determined that due to the higher degree of precision of the A350 XWB revenue along with the strong, sustained market demand, it was appropriate to extend the accounting block quantity to 800 units in the second quarter of 2016. The contract block quantity change was made in accordance with applicable accounting guidance as well as the Company’s accounting policies and past practices. As a result of the Airbus 2016 MOA, the Company updated its estimated revenues that will be realized over the 800 unit A350 XWB Fuselage and Wing

9

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

contract accounting blocks.

While the Company continued to make progress on the A350 XWB Fuselage program the Company experienced various disruption and production inefficiencies that exceeded estimates made in previous quarters primarily related to achieving production rate increases. As a result of these disruptions and inefficiencies, cost estimates were updated in the second quarter of 2016 to account for increased labor costs in fabrication and assembly and expedited shipping costs to meet current and future customer production rate increases. The Company also updated its estimates in the second quarter of 2016 due to uncertainty of supply chain cost reductions and achievement of cost affordability projects.

For the nine months ended September 29, 2016, the changes in revenue and cost estimates during the second quarter of 2016 (as described above) resulted in a net forward loss charge of $135.7 and a net $8.2 favorable cumulative catch-up adjustment on the A350 XWB program. The Company could record additional forward loss charges if there are further changes to revenue and cost estimates and/or if risks are not mitigated.

4.  Accounts Receivable, net

Accounts receivable, net consists of the following:

	September 29, 2016			December 31, 2015
Trade receivables	$	720.1		$	524.3
Other	33.7			18.8
Less: allowance for doubtful accounts	(5.2		)	(6.1		)
Accounts receivable, net	$	748.6		$	537.0

Accounts receivable, net includes unbilled receivables on long-term aerospace contracts, comprised principally of revenue recognized on contracts for which amounts were earned but not contractually billable as of the balance sheet date, or amounts earned for which the recovery will occur over the term of the contract, which could exceed one year.

5.  Inventory

Inventories are summarized as follows:

	September 29, 2016			December 31, 2015
Raw materials	$	266.6		$	253.8
Work-in-process	736.9			854.4
Finished goods	35.2			65.7
Product inventory	1,038.7			1,173.9
Capitalized pre-production	109.8			167.8
Deferred production	747.6			1,315.4
Forward loss provision	(408.0		)	(882.7		)
Total inventory, net	$	1,488.1		$	1,774.4

Capitalized pre-production costs include certain contract costs, including applicable overhead, incurred before a product is manufactured on a recurring basis. Significant statement of work changes considered not reimbursable by the customer can also cause pre-production costs to be incurred. These costs are typically amortized over a certain number of shipset deliveries. Capitalized pre-production may be amortized over multiple blocks. See contract block and orders table noted below.

Deferred production includes costs for the excess of production costs over the estimated average cost per shipset, and credit balances for favorable variances on contracts between actual costs incurred and the estimated average cost per shipset for units delivered under the current production blocks. Recovery of excess-over-average deferred production costs is dependent on the number of shipsets ultimately sold and the ultimate selling prices and lower production costs associated with future production under these contract blocks. The Company believes these amounts, net of forward loss provisions, will be fully recovered over

10

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

the contract block quantities noted in the contract block and orders table below. Should orders not materialize in future periods to fulfill the block, potential forward loss charges may be necessary to the extent the final delivered quantity does not absorb deferred inventory costs. Sales significantly under estimates or costs significantly over estimates could result in losses on these contracts in future periods.

Capitalized pre-production and deferred production inventories are at risk to the extent that the Company does not achieve the orders in the forecasted blocks or if future actual costs exceed current projected estimates, as those categories of inventory are recoverable over future deliveries.

Forward loss provisions on contract blocks are recorded in the period in which they become evident and included in inventory with any remaining amount reflected in accrued contract liabilities.

Non-recurring production costs include design and engineering costs and test articles.

Inventories for contract blocks that have not closed are summarized by platform and costs below:

	September 29, 2016
	Product Inventory
	Inventory		Non-Recurring		Capitalized Pre- Production		Deferred Production			Forward Loss Provision			Total Inventory, net September 29, 2016
Boeing - All platforms	691.7		28.0		4.9		(37.2		)	(19.1		)	668.3
A350 XWB	158.2		33.2		86.6		678.0			(247.8		)	708.2
Airbus - All other platforms	92.3		—		—		(9.8		)	—			82.5
Rolls-Royce BR725(1)	13.7		—		18.3		108.9			(140.9		)	—
Other platforms	16.2		5.4		—		7.7			(0.2		)	29.1
Total	$	972.1	$	66.6	$	109.8	$	747.6		$	(408.0	)	$	1,488.1

	December 31, 2015
	Product Inventory
	Inventory		Non-Recurring		Capitalized Pre- Production		Deferred Production		Forward Loss Provision			Total Inventory, net December 31, 2015
Boeing - All platforms(2)	714.6		32.8		47.7		525.7		(634.8		)	686.0
A350 XWB	148.7		35.3		94.2		679.4		(113.8		)	843.8
Airbus - All other platforms	90.8		—		—		9.2		—			100.0
Rolls-Royce BR725(1)	12.5		—		25.9		95.7		(134.1		)	—
Other platforms	134.3		4.9		—		5.4		—			144.6
Total	$	1,100.9	$	73.0	$	167.8	$	1,315.4	$	(882.7	)	$	1,774.4

(1) Forward loss charges recorded in prior periods on the Rolls-Royce BR725 program exceeded the total inventory balance. The excess of the charge over program inventory is classified as a contract liability and reported in other current liabilities on the Condensed Consolidated Balance Sheet.  The total contract liability was $1.9 and $12.2 as of September 29, 2016 and December 31, 2015, respectively.

(2) Includes $558.5 and ($606.0) of Deferred Production and Forward Loss Provision, respectively, on the B787 program as of December 31, 2015. The first contract block on the B787 program was closed as of September 29, 2016.

Significant amortization of capitalized pre-production and deferred production inventory has occurred over the following contract block deliveries and will continue to occur over the following contract blocks:

11

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

Model	Current Block Deliveries	Contract Block Quantity	Orders(1)
A350 XWB	114	800	769
Rolls-Royce BR725	238	350	320

(1) Order amount for Airbus obtained from the published firm-order backlog and exclude Airbus delivered units. For Rolls-Royce BR725, orders represent purchase orders received from OEMs and are not reflective of OEM sales backlog.

6.  Property, Plant and Equipment, net

Property, plant and equipment, net consists of the following: 

	September 29, 2016			December 31, 2015
Land	$	15.0		$	16.5
Buildings (including improvements)	629.1			585.4
Machinery and equipment	1,314.5			1,210.6
Tooling	972.7			927.2
Capitalized software	239.7			219.7
Construction-in-progress	185.5			278.6
Total	3,356.5			3,238.0
Less: accumulated depreciation	(1,421.8		)	(1,287.3		)
Property, plant and equipment, net	$	1,934.7		$	1,950.7

Repair and maintenance costs are expensed as incurred. The Company recognized repair and maintenance costs of $31.2 and $33.6 for the three months ended September 29, 2016 and October 1, 2015, respectively, and $85.5 and $96.6 for the nine months ended September 29, 2016 and October 1, 2015, respectively.

The Company capitalizes certain costs, such as software coding, installation and testing, that are incurred to purchase or to create and implement internal-use computer software.  Depreciation expense related to capitalized software was $4.5 and $4.2 for the three months ended September 29, 2016 and October 1, 2015, respectively, and $13.4 and $12.7 for the nine months ended September 29, 2016 and October 1, 2015, respectively.

The Company reviews capital and amortizing intangible assets (long-lived assets) for impairment on an annual basis or whenever events or changes in circumstances indicate that the carrying amount may not be recoverable.  The Company evaluated its long-lived assets at its locations and determined no impairment was necessary for the period ended September 29, 2016.

12

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

7.  Other Assets

Other assets are summarized as follows:

	September 29, 2016			December 31, 2015
Intangible assets
Patents	$	1.9		$	1.9
Favorable leasehold interests	6.3			6.3
Total intangible assets	8.2			8.2
Less: Accumulated amortization - patents	(1.7		)	(1.6		)
Accumulated amortization - favorable leasehold interest	(4.1		)	(3.8		)
Intangible assets, net	2.4			2.8
Deferred financing
Deferred financing costs	38.5			36.8
Less: Accumulated amortization - deferred financing costs	(31.8		)	(30.3		)
Deferred financing costs, net (1)	6.7			6.5
Other
Goodwill - Europe	2.4			2.7
Equity in net assets of affiliates	4.5			3.2
Supply agreements(2)	19.6			29.3
Restricted Cash - collateral requirements	19.9			19.9
Deferred Tax Asset - non-current	133.2			162.8
Other	49.5			40.6
Total	$	238.2		$	267.8

(1) In accordance with ASU 2015-03, includes a retrospective reclassification for the period ended December 31, 2015 of $13.0 net deferred financing costs to a direct deduction from the carrying amount of the related debt liability, See Note 12, "Debt" for further detail.

(2) Under agreements with customers and a supplier, certain payments accounted for as consideration paid by the Company to a customer and supplier are being amortized as a reduction to net revenues.

8.  Advance Payments and Deferred Revenue/Credits

Advance payments. Advance payments are those payments made to Spirit by customers in contemplation of the future performance of services, receipt of goods, incurrence of expenditures or for other assets to be provided by Spirit under a contract and are repayable if such obligation is not satisfied. The amount of advance payments to be recovered against production units expected to be delivered within a year is classified as a short-term liability on the Company's consolidated balance sheet, with the balance of the unliquidated advance payments classified as a long-term liability.

On April 8, 2014, the Company signed a memorandum of agreement with Boeing which suspended advance repayments related to the B787 program for a period of twelve months beginning April 1, 2014. Repayment recommenced on April 1, 2015 and any repayments which otherwise would have become due during such twelve-month period will be offset against the purchase price for shipsets 1,001 through 1,120.

Deferred revenue/credits. Deferred revenue/credits generally consist of nonrefundable amounts received in advance of revenue being earned for specific contractual deliverables or amounts that could be required to be refunded if certain performance obligations or conditions are not met. These payments are classified as deferred revenue/credits on the Company's Condensed Consolidated Balance Sheet when received and recognized as revenue as the production units are delivered or performance obligations or conditions are met.

13

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

In November 2014, Spirit and Boeing entered into a Memorandum of Agreement (the “November 2014 MOA”). As part of the November 2014 MOA, Boeing and Spirit established interim prices for certain B787 shipsets, and the parties agreed to negotiate future rate increases, recurring prices and other issues across multiple programs during 2015. Since the Company was unable to reach agreement with Boeing on these issues by the end of 2015, once the parties agree upon appropriate pricing for the B787-9, Boeing will be entitled to a retroactive adjustment on certain B787 payments which were based on the interim pricing. The amount Spirit received that is subject to a retroactive adjustment was recorded as deferred revenue, and has not been recognized by the Company as revenue. The Company is engaged in discussions with Boeing concerning how to determine the subsequent B787-9 and initial B787-10 prices, and the parties have not yet reached agreement.

Advance payments and deferred revenue/credits are summarized by platform as follows:

	September 29, 2016		December 31, 2015
B787	$	867.4	$	909.3
Boeing - All other platforms	17.6		13.8
A350 XWB	145.1		183.5
Airbus — All other platforms	2.5		4.0
Other	30.1		30.6
Total advance payments and deferred revenue/credits	$	1,062.7	$	1,141.2

9. Government Grants

The Company received grants in the form of government funding for a portion of the site construction and other specific capital asset costs at the Company's Kinston, North Carolina and Subang, Malaysia sites. Deferred grant income is being amortized as a reduction to production cost. This amortization is based on specific terms associated with the different grants. In North Carolina, the deferred grant income related to the capital investment criteria, which represents half of the grant, is being amortized over the lives of the assets purchased to satisfy the capital investment performance criteria. The other half of the deferred grant income is being amortized over a ten-year period, which began in 2010, in a manner consistent with the job performance criteria. Under the agreement, failure by Spirit to meet job performance criteria, including creation of a targeted number of jobs, could result in Spirit being obligated to make incremental rent payments to the North Carolina Global TransPark Authority over the initial term of the lease. The amount of the incremental rent payments would vary depending on Spirit’s level of attainment of the specified requirements not to exceed a certain dollar threshold. In Malaysia, the deferred grant income is being amortized based on the estimated lives of the eligible assets constructed with the grant funds as there are no performance criteria. The assets related to deferred grant income are consolidated within property, plant and equipment.

Deferred grant income liability, net consists of the following:

Balance, December 31, 2015	$	94.2
Grant liability amortized	(8.6		)
Exchange rate	(3.3		)
Total deferred grant income liability, September 29, 2016	$	82.3

The assets related to the deferred grant income consist of the following:

Balance, December 31, 2015	$	106.6
Amortization	(3.7		)
Exchange rate	(3.3		)
Total asset value related to deferred grant income, September 29, 2016	$	99.6

14

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

10.  Fair Value Measurements

FASB’s authoritative guidance on fair value measurements defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. It also establishes a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The guidance discloses three levels of inputs that may be used to measure fair value:

Level 1 Quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 1 assets and liabilities include debt and equity securities and derivative contracts that are traded in an active exchange market.

Level 2 Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Level 2 assets and liabilities include debt securities with quoted prices that are traded less frequently than exchange-traded instruments and derivative contracts whose value is determined using a pricing model with inputs that are observable in the market or can be derived principally from or corroborated by observable market data. Observable inputs, such as current and forward interest rates and foreign exchange rates, are used in determining the fair value of the interest rate swaps and foreign currency hedge contracts.

Level 3 Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of assets and liabilities. Level 3 assets and liabilities include financial instruments whose value is determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.

	Fair Value Measurements
	December 31, 2015						At December 31, 2015 using
Description	Total Carrying Amount in Balance Sheet		Assets Measured at Fair Value		Liabilities Measured at Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Money Market Fund	$	90.2	$	90.2	$	—	$	90.2	$	—	$	—

At September 29, 2016, the Company did not hold any cash within money market funds.

The Company’s long-term debt includes a senior unsecured term loan, senior unsecured notes and the Malaysian term loan.  The estimated fair value of the Company's debt obligations is based on the quoted market prices for such obligations or the historical default rate for debt with similar credit ratings. The following table presents the carrying amount and estimated fair value of long-term debt:

	September 29, 2016					December 31, 2015
	Carrying Amount		Fair Value			Carrying Amount		Fair Value
Senior unsecured term loan A (including current portion)	$	497.5	$	494.4	(2)	$	505.8	$	501.6	(2)
Senior unsecured notes due 2020	—		—		(1)	296.3		310.5		(1)
Senior unsecured notes due 2022	293.5		308.6		(1)	292.7		304.8		(1)
Senior unsecured notes due 2026	296.9		309.7		(1)	—		—		(1)
Malaysian loan	1.7		1.5		(2)	3.2		2.8		(2)
Total	$	1,089.6	$	1,114.2		$	1,098.0	$	1,119.7

(1) Level 1 Fair Value hierarchy

(2) Level 2 Fair Value hierarchy 

15

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

11.  Derivative and Hedging Activities

The Company has historically entered into interest rate swap agreements to reduce its exposure to the variable rate portion of its long-term debt. On the inception date, the Company designates a derivative contract as either a fair value or cash flow hedge and links the contract to either a specific asset or liability on the balance sheet, or to forecasted commitments or transactions. The Company assesses, both at the hedges' inception and on a quarterly basis, whether the derivative item is effective in offsetting changes in fair value or cash flows. Any gains or losses on hedges are included in earnings when the underlying transaction that was hedged occurs. The Company also considers counterparty credit risk and its own credit risk in its determination of all estimated fair values.

The Company has historically entered into derivative instruments covered by master netting arrangements whereby, in the event of a default as defined by the senior unsecured credit facility or termination event, the non-defaulting party has the right to offset any amounts payable against any obligation of the defaulting party under the same counterparty agreement. See Note 12, Debt for discussion of the Company's senior unsecured credit facilities.

Interest Rate Swaps

During the first quarter of 2015, as a result of Amendment No. 5 to its Credit Agreement, the Company unwound its interest rate swap agreements which had a notional amount of $250.0. The company recognized a loss of $0.4 as a result of unwinding these interest rate swaps. This loss on derivatives not designated as hedging instruments is included in Other Expense on the Consolidated Statement of Operations for the nine months ended October 1, 2015. In total, the Company paid $2.0 as a result of the settlement of the interest rate swap agreements.

As of September 29, 2016 and December 31, 2015, the Company had no outstanding interest rate swap agreements.

12.  Debt

Total debt shown on the balance sheet is comprised of the following: 

	September 29, 2016				December 31, 2015
	Current		Noncurrent		Current(1)		Noncurrent(1)
Senior unsecured term loan A	$	24.9	$	472.6	$	26.1	$	479.7
Senior notes due 2020	—		—		—		296.3
Senior notes due 2022	—		293.5		—		292.7
Senior notes due 2026	—		296.9		—		—
Malaysian term loan	1.7		—		2.1		1.1
Present value of capital lease obligations	0.6		8.1		0.6		8.5
Other	7.0		—		6.1		7.0
Total	$	34.2	$	1,071.1	$	34.9	$	1,085.3

(1) In connection with the Company's adoption of ASU No. 2015-03 relating to the presentation of debt issuance costs, debt balances at December 31, 2015 include unamortized debt issuance costs of $13.0. These unamortized debt issuance costs were previously included in other long-term assets in the Company's Condensed Consolidated Balance Sheet at December 31, 2015.

Senior Unsecured Credit Facilities

On June 6, 2016, Spirit and the Company entered into the senior unsecured Amended and Restated Credit Agreement, among Spirit, as borrower, the Company, as parent guarantor, the lenders party thereto, Bank of America, N.A., as administrative agent, and the other agents named therein (the "A&R Credit Agreement"). The A&R Credit Agreement refinanced and replaced the Credit Agreement, dated as of April 18, 2012, as amended by Amendment No. 1, dated as of October 26, 2012, Amendment No. 2, dated as of August 2, 2013, Amendment No. 3, dated as of March 18, 2014, Amendment No. 4, dated as of June 3, 2014 and Amendment No. 5 dated as of March 18, 2015 (the “Prior Credit Agreement”). Certain terms of the A&R Credit Agreement were available to

16

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

Spirit based on increases to Spirit's senior unsecured debt rating provided by Standard & Poor’s Financial Services LLC (“S&P”) and/or Moody’s Investors Service, Inc. (“Moody’s”). The A&R Credit Agreement provides for a $650.0 revolving credit facility (the “Revolver”) and a $500.0 term loan A facility (the “Term Loan”). Each of the Revolver and the Term Loan has a maturity date of June 4, 2021, and each bears interest, at Spirit’s option, at either LIBOR plus 1.5% or a defined “base rate” plus 0.50%, subject to adjustment to amounts between and including LIBOR plus 1.125% and LIBOR plus 2.0% (or amounts between and including base rate plus 0.125% and base rate plus 1.0%, as applicable) based on changes to Spirit’s senior unsecured debt rating provided by S&P and/or Moody’s. The principal obligations under the Term Loan are to be repaid in equal quarterly installments of $6.25, with the remaining balance due at maturity of the Term Loan. The A&R Credit Agreement removes many of the prepayment requirements contained in the Prior Credit Agreement. The covenant structure was amended and provides the Company with some additional flexibility with respect to certain activities which were previously restricted by affirmative and negative covenants, though the A&R Credit Agreement does continue to contain customary affirmative and negative covenants available to investment grade companies, including certain financial covenants that are tested on a quarterly basis. The A&R Credit Agreement contains an accordion feature that provides Spirit with the option to increase the Revolver commitments and/or institute one or more additional term loans by an amount not to exceed $500.0 in the aggregate, subject to the satisfaction of certain conditions and the participation of the lenders. Spirit used the proceeds of the Term Loan, along with cash on hand, to pay off the outstanding amounts under the term loan A under the Prior Credit Agreement and to pay a portion of the fees and expenses payable in connection with the A&R Credit Agreement.

As of September 29, 2016, the outstanding balance of the Term Loan was $500.0 and the carrying value was $497.5. As a result of extinguishment and modification of the term loan A and the revolver under the Prior Credit Agreement which occurred during the second quarter of 2016, the Company recognized a loss on extinguishment of debt of $1.4 including third party fees of $0.4, all of which is reflected within amortization of deferred financing fees on the Condensed Consolidated Statement of Cash Flows for the nine months ended September 29, 2016. As a result of extinguishment of a term loan B under the Prior Credit Agreement during the first quarter of 2015, the Company recognized a loss on extinguishment of debt of $3.6. Of this total charge, $3.1 is reflected within amortization of deferred financing fees and $0.5 is reflected within amortization expense on the Condensed Consolidated Statement of Cash Flows for the nine months ended October 1, 2015.

Senior Notes

In November 2010, the Company issued $300.0 in aggregate principal amount of 6.75% Senior Notes due December 15, 2020 (the “2020 Notes”), with interest payable, in cash in arrears, on June 15 and December 15 of each year, beginning June 15, 2011. The 2020 Notes were fully and unconditionally guaranteed, jointly and severally, on a senior unsecured basis by the Company and Spirit’s existing and future domestic subsidiaries that guaranteed Spirit’s obligations under the Prior Credit Agreement. As more fully described below, as of July 1, 2016, the 2020 Notes were no longer outstanding.

In March 2014, the Company issued $300.0 in aggregate principal amount of 5.25% Senior Notes due March 15, 2022 (the "2022 Notes") with interest payable, in cash in arrears, on March 15 and September 15 of each year, beginning September 15, 2014. The 2022 Notes are unconditionally guaranteed, jointly and severally, on a senior unsecured basis, by the Company and its existing and future domestic subsidiaries, if any, that may guarantee Spirit's obligations under a senior credit facility. The carrying value of the 2022 Notes was $293.5 as of September 29, 2016.

On May 24, 2016 the Company commenced an offer to purchase for cash any and all of the $300.0 outstanding principal amount of its 2020 Notes (the “Tender Offer”). Under the terms of the Tender Offer, holders of 2020 Notes who validly tendered their notes at or prior to May 31, 2016 would receive, in whole dollars, $1,037.25 per $1,000 principal amount of the 2020 Notes tendered.

On June 1, 2016, in order to fund the Tender Offer or otherwise acquire, redeem or repurchase the 2020 Notes, the Company issued $300.0 in aggregate principal amount of 3.850% Senior Notes due June 15, 2026 (the "2026 Notes") with interest payable, in cash in arrears, on June 15 and December 15 of each year, beginning December 15, 2016. The indenture governing the 2026 Notes (the “2026 Notes Indenture”) requires that the 2026 Notes be guaranteed by the Company and each of Spirit’s existing and future domestic subsidiaries, if any, that may guarantee Spirit’s obligations under a senior credit facility. In addition, the 2026 Notes Indenture contains covenants that limit Spirit’s, the Company’s and certain of Spirit’s subsidiaries’ ability to create liens without granting equal and ratable liens to the holders of the 2026 Notes or to enter into sale and leaseback transactions. These covenants are subject to a number of qualifications and limitations. The 2026 Notes Indenture also provides for customary events of default. The carrying value of the 2026 Notes was $296.9 as of September 29, 2016.

17

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

On June 1, 2016, Spirit repurchased $213.6 aggregate principal amount of its 2020 Notes pursuant to the Tender Offer. Tender fees related to the early extinguishment of the 2020 Notes were $8.0, which are included within debt issuance cost on the Condensed Consolidated Statement of Cash Flows for the nine months ended September 29, 2016.

In addition, on June 1, 2016, Spirit called for redemption of the remaining $86.4 aggregate principal amount of 2020 Notes outstanding following completion of the Tender Offer. The redemption price of the 2020 Notes was 103.375% of the principal amount thereof, plus accrued and unpaid interest to, but not including, the redemption date of July 1, 2016. Following the redemption on July 1, 2016, none of the 2020 Notes remained outstanding.

As a result of the extinguishment of the 2020 Notes, the Company recognized a loss on extinguishment of the 2020 Notes of $11.5, all of which is reflected within amortization of deferred financing fees on the Condensed Consolidated Statement of Cash Flows for the nine months ended September 29, 2016.

13.Pension and Other Post-Retirement Benefits

	Defined Benefit Plans
	For the Three Months Ended						For the Nine Months Ended
Components of Net Periodic Pension Expense/(Income)	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
Service cost	$	0.2		$	0.2		$	0.8		$	0.7
Interest cost	11.4			12.0			34.5			35.8
Expected return on plan assets	(19.7		)	(20.7		)	(59.0		)	(62.2		)
Amortization of net loss	1.6			0.8			4.0			2.7
Special termination benefits(1)	—			—			10.9			—
Net periodic pension income	$	(6.5	)	$	(7.7	)	$	(8.8	)	$	(23.0	)

(1) Special termination benefits related to early retirement incentives offered as part of a voluntary retirement plan in the first quarter of 2016.

	Other Benefits
	For the Three Months Ended					For the Nine Months Ended
Components of Other Benefit Expense	September 29, 2016			October 1, 2015		September 29, 2016			October 1, 2015
Service cost	$	0.5		$	0.6	$	1.4		$	1.7
Interest cost	0.5			0.5		1.6			1.6
Amortization of prior service cost	(0.2		)	—		(0.7		)	—
Special termination benefits(1)	—			—		3.1			—
Net periodic other benefit expense	$	0.8		$	1.1	$	5.4		$	3.3

(1) Special termination benefits related to early retirement incentives offered as part of a voluntary retirement plan in the first quarter of 2016.

Employer Contributions

The Company expects to contribute zero dollars to the U.S. qualified pension plan and a combined total of approximately $6.8 for the Supplemental Executive Retirement Plan (SERP) and post-retirement medical plans in 2016.  The Company's projected contributions to the U.K. pension plan for 2016 are zero. The entire amount contributed can vary based on exchange rate fluctuations.

18

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

14.  Stock Compensation

Holdings has established various stock compensation plans which include restricted share grants and stock purchase plans. Compensation values are based on the value of Holdings' common stock at the grant date. The common stock value is added to equity and charged to period expense or included in inventory and cost of sales.

The Executive Incentive Plan, Short-Term Incentive Plan ("STIP"), Long-Term Incentive Plan ("LTIP") and Director Stock Plan (collectively referred to as "Prior Plans") were replaced by the Omnibus Incentive Plan (the "Omnibus Plan") in 2014. No new awards will be granted under such Prior Plans. Outstanding awards under the Prior Plans will continue to be governed by the terms of such plans until exercised, expired, or otherwise terminated or canceled.

The Omnibus Plan provides for a Long-Term Incentive Award ("LTIA") for the 2014 plan year and forward. The LTIAs provide both time and performance based incentives.

• 75% of the LTIA is service-based restricted stock that will vest in equal installments over a three-year period.

• 25% of the LTIA is market-based restricted stock that will vest on the three-year anniversary of the grant date contingent upon total shareholder return ("TSR") compared to the Company’s peers.

For the three months ended September 29, 2016 the Company recognized a net total of $6.3 of stock compensation expense, which is net of stock forfeitures and includes expense for the Prior Plans and the LTIA under the Omnibus Plan. For the three months ended October 1, 2015, the Company recognized $7.0 of stock compensation expense, net of forfeitures. The entire stock compensation expense of $6.3 and $7.0, for the three months ended September 29, 2016 and October 1, 2015, respectively, was recorded as selling, general and administrative.

For the nine months ended September 29, 2016 the Company recognized a net total of $35.2 of stock compensation expense, which is net of stock forfeitures and includes expense for the Prior Plans and the LTIA under the Omnibus Plan. For the nine months ended October 1, 2015, the Company recognized $19.0 of stock compensation expense, net of forfeitures. The entire stock compensation expense of $35.2 and $19.0, for the nine months ended September 29, 2016 and October 1, 2015, respectively, was recorded as selling, general and administrative. The increase in stock compensation expense during the nine months ended September 29, 2016 was primarily due to executive retirements during the second quarter of 2016.

During the three months ended September 29, 2016, 4,575 shares of class A common stock with an aggregate grant date fair value of $0.2 were granted under the service-based portion of the Company's LTIA. Additionally, 12,839 shares of class A common stock with an aggregate grant date fair value of $0.4 awarded under the Company's LTIP vested during the three months ended September 29, 2016.

For the nine months ended September 29, 2016, 623,620 shares of class A common stock with an aggregate grant date fair value of $27.4 were granted under the service-based portion of the Company's LTIA. In addition, 206,132 shares of class A common stock with an aggregate grant date fair value of $10.9 were granted under the market-based portion of the Company's LTIA. Additionally, 502,909 shares of class A common stock with an aggregate grant date fair value of $14.9 awarded under the Company's LTIP vested during the nine months ended September 29, 2016.

15. Income Taxes

The process for calculating the Company's income tax expense involves estimating actual current taxes due plus assessing temporary differences arising from differing treatment for tax and accounting purposes that are recorded as deferred tax assets and liabilities. Deferred tax assets are periodically evaluated to determine their recoverability. The total net deferred tax asset at September 29, 2016 and December 31, 2015 was $118.4 and $149.7, respectively. The difference is primarily due to the utilization of deductible temporary differences within the calculation of taxable income across jurisdictions.

The Company files income tax returns in all jurisdictions in which it operates. The Company establishes reserves to provide for additional income taxes that may be due upon audit. These reserves are established based on management’s assessment as to the potential exposure attributable to permanent tax adjustments and associated interest. All tax reserves are analyzed quarterly and adjustments made as events occur that warrant modification.

19

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

In general, the Company records income tax expense each quarter based on its best estimate as to the full year’s effective tax rate. Certain items, however, are given discrete period treatment and the tax effects for such items are therefore reported in the quarter that an event arises. Events or items that may give rise to discrete recognition include excess tax benefits in respect to share-based compensation, finalizing amounts in income tax returns filed, finalizing audit examinations for open tax years and expiration of statutes of limitations and changes in tax law.

The 29.1% effective tax rate for the nine months ended September 29, 2016 differs from the (5.7%) effective tax rate for the same period of 2015 primarily due to U.S. net deferred tax asset valuation allowance decrease in 2015 and by the inclusion of the tax effects of excess tax benefits in respect of share-based compensation in the income tax provision.

As a result of the early adoption of ASU 2016-09, during the nine months ended September 29, 2016, excess tax benefits in respect of share-based compensation of $4.4 were reflected in the Consolidated Statements of Income as a component of the income tax provision and the Consolidated Statement of Cash Flows included a $4.4 increase to net cash provided by operating activities. Accounting guidance requires that this item is treated as a discrete adjustment to the Company's tax rate, which is reflected in the 29.1% effective tax rate for the nine months ended September 29, 2016.

The Company will continue to participate in the Internal Revenue Service’s Compliance Assurance Process (“CAP”) program for its 2015 and 2016 tax years. The CAP program’s objective is to resolve issues in a timely, contemporaneous manner and eliminate the need for a lengthy post-filing examination. The HM Revenue & Customs completed its examination of the Company's 2009-2011 U.K. income tax returns and the statute of limitations has lapsed on the 2013 tax return. The Directorate General of Public Finance is currently examining the Company's 2011-2013 France income tax returns. While a change could result from the ongoing examinations, the Company expects no material change in its recorded unrecognized tax benefit liability in the next 12 months.

16.  Equity

Earnings per Share Calculation

Basic net income per share is computed using the weighted-average number of outstanding shares of common stock during the measurement period. Diluted net income per share is computed using the weighted-average number of outstanding shares of common stock and, when dilutive, potential outstanding shares of common stock during the measurement period.

 Subject to preferences that may apply to shares of preferred stock outstanding at the time, holders of the Company’s outstanding common stock are entitled to any dividend declared by the Board of Directors out of funds legally available for this purpose. The Company did not pay any cash dividends in the three months ended September 29, 2016. On November 1, 2016 the Company announced a $0.10 per share cash dividend on the outstanding common stock of the Company payable January 9, 2017 to shareholders of record at the close of business on December 19, 2016. The Company's future dividend policy will depend on the requirements of financing agreements to which the Company may be a party. Any future determination to pay dividends will be at the discretion of the Company's Board of Directors and will depend upon, among other factors, the Company's results of operations, financial condition, capital requirements and contractual restrictions. The Company accounts for treasury stock under the cost method and includes treasury stock as a component of shareholders' equity. As of September 29, 2016, no treasury shares have been reissued or retired.

20

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

The following table sets forth the computation of basic and diluted earnings per share:

	For the Three Months Ended
	September 29, 2016					October 1, 2015
	Income		Shares	Per Share Amount		Income		Shares	Per Share Amount
Basic EPS
Income available to common shareholders	$	144.9	124.4	$	1.16	$	313.3	139.3	$	2.25
Income allocated to participating securities	0.2		0.1			0.3		0.1
Net income	$	145.1				$	313.6
Diluted potential common shares			0.8					0.8
Diluted EPS
Net income	$	145.1	125.3	$	1.16	$	313.6	140.2	$	2.24

	For the Nine Months Ended
	September 29, 2016					October 1, 2015
	Income		Shares	Per Share Amount		Income		Shares	Per Share Amount
Basic EPS
Income available to common shareholders	$	361.2	128.2	$	2.82	$	649.8	139.1	$	4.67
Income allocated to participating securities	0.3		0.1			0.6		0.2
Net income	$	361.5				$	650.4
Diluted potential common shares			0.7					0.8
Diluted EPS
Net income	$	361.5	129.0	$	2.80	$	650.4	140.1	$	4.64

The balance of outstanding common shares presented in the Condensed Consolidated Balance Sheets was 121.7 million and 141.2 million at September 29, 2016 and October 1, 2015, respectively. Included in the outstanding common shares were 1.6 million and 1.8 million of issued but unvested shares at September 29, 2016 and October 1, 2015, respectively, which are excluded from the basic EPS calculation.

Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss is summarized by component as follows:

	As of			As of
	September 29, 2016			December 31, 2015
Pension	$	(119.7	)	$	(121.5	)
Interest rate swaps	—			(0.4		)
SERP/Retiree medical	5.9			6.1
Foreign currency impact on long term intercompany loan	(14.7		)	(9.2		)
Currency translation adjustment	(74.9		)	(35.5		)
Total accumulated other comprehensive loss	$	(203.4	)	$	(160.5	)

21

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

17.  Related Party Transactions

In December 2014, Onex acquired approximately a 40% interest in Advanced Integration Technologies (“AIT”), a provider of automation and tooling, maintenance services and aircraft components to the aerospace industry and a supplier to the Company. For the three months ended September 29, 2016 and October 1, 2015, sales from AIT to the Company and its subsidiaries were $3.8 and $2.1, respectively. For the nine months ended September 29, 2016 and October 1, 2015, sales from AIT to the Company and its subsidiaries were $10.9 and $12.5, respectively. The amounts owed to AIT and recorded as accrued liabilities were $1.3 and $4.0 as of September 29, 2016 and December 31, 2015, respectively. Tawfiq Popatia, a former director of Spirit Holdings, is a Managing Director of Onex Corporation.

18.  Commitments, Contingencies and Guarantees

Litigation

From time to time the Company is subject to, and is presently involved in, litigation or other legal proceedings arising in the ordinary course of business. While the final outcome of these matters cannot be predicted with certainty, considering, among other things, the meritorious legal defenses available, it is the opinion of the Company that none of these items, when finally resolved, will have a material adverse effect on the Company’s long-term financial position or liquidity. The Company had outstanding obligations in respect of litigation or other legal proceedings of $25.0 as of both September 29, 2016 and December 31, 2015. However, an unexpected adverse resolution of one or more of these items could have a material adverse effect on the results of operations and cash flows in a particular quarter or fiscal year.

From time to time, in the ordinary course of business and similar to others in the industry, we receive requests for information from government agencies in connection with their regulatory or investigational authority. Such requests can include subpoenas or demand letters for documents to assist the government in audits or investigations. We review such requests and notices and take appropriate action. We have been subject to certain requests for information and investigations in the past and could be subject to such requests for information and investigations in the future. Additionally, we are subject to federal and state requirements for protection of the environment, including those for disposal of hazardous waste and remediation of contaminated sites. As a result, we are required to participate in certain government investigations regarding environmental remediation actions.

On December 5, 2014, Boeing filed a complaint in Delaware Superior Court, Complex Commercial Litigation Division, entitled The Boeing Co. v. Spirit AeroSystems, Inc., No. N14C-12-055 (EMD). Boeing seeks indemnification from Spirit for (a) damages assessed against Boeing in International Union, United Automobile, Aerospace and Agricultural Workers of America v. Boeing Co., AAA Case No. 54 300 00795 07 (the “UAW Arbitration”), which was brought on behalf of certain former Boeing employees in Tulsa and McAlester, Oklahoma, and (b) claims that Boeing allegedly settled in Society of Professional Engineering Employees in Aerospace v. Boeing Co., Nos. 05-1251-MLB, 07-1043-MLB (D. Kan.) (the “Harkness Class Action”). Spirit Holdings, Spirit and certain Spirit retirement plan entities were parties to the Harkness Class Action, but all claims against the Spirit entities were subsequently dismissed. Boeing’s Complaint asserts that the damages assessed against Boeing in the UAW Arbitration and the claims settled by Boeing in the Harkness Class Action are liabilities that Spirit assumed under an Asset Purchase Agreement between Boeing and Spirit, dated February 22, 2005 (the “APA”). Boeing asserts claims for breach of contract and declaratory judgment regarding its indemnification rights under the APA. Boeing alleges that, under the UAW Arbitration decision, Boeing has paid more than $13.0 of a liability Boeing estimates to have a net present value of $39.0. In regard to the Harkness Class Action, Boeing has announced that the district court has approved a settlement in an amount of $90.0. In addition to the amounts related to the UAW Arbitration and Harkness Class Action, Boeing seeks indemnification for more than $10.0 in attorneys’ fees it alleges it expended to defend the UAW Arbitration and Harkness Class Action. On December 24, 2014, the parties filed a joint stipulation extending Spirit’s deadline to move, answer or otherwise respond to Boeing’s complaint until February 12, 2015. Spirit timely answered the complaint. Spirit intends to defend vigorously against the allegations in this lawsuit. Management believes the resolution of this matter will not materially affect the Company’s financial position, results of operations or liquidity.

On June 3, 2013, a putative class action lawsuit was commenced against the Company, Jeffrey L. Turner, and Philip D. Anderson in the U.S. District Court for the District of Kansas. The court-appointed lead plaintiffs - two pension funds that claim to represent a class of investors in the Company's stock - filed an amended complaint on April 7, 2014, naming as additional defendants Spirit's Vice President of the B787 Program Terry J. George and former Senior Vice President of Oklahoma Operations Alexander K. Kummant. The amended complaint alleges that defendants engaged in a scheme to artificially inflate the market price of the Company's stock by making false statements and omissions about certain programs' performance and costs. It contends

22

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

that the alleged scheme was revealed by the Company’s accrual of $590.0 in forward loss charges on October 25, 2012. The lead plaintiffs seek certification of a class of all persons other than defendants who purchased Holdings securities between May 5, 2011 and October 24, 2012, and seek an unspecified amount of damages on behalf of the putative class. In June 2014, the defendants filed a motion to dismiss the claims set forth in the amended complaint. On May 14, 2015, the District Court granted Spirit's motion to dismiss and dismissed the matter with prejudice. The plaintiffs filed a notice of appeal on June 11, 2015.  On July 5, 2016, the U.S. Court of Appeals for the Tenth Circuit affirmed the District Courts' dismissal. On July 20, 2016, the plaintiff filed a petition for rehearing and rehearing en banc. On August 2, 2016, the Court of Appeals denied the petition. The deadline for the plaintiffs to file a petition for a writ of certiorari is October 31, 2016. At the time this Quarterly Report on Form 10-Q was filed with the Securities and Exchange Commission, the Company was not aware of any petition for writ of certiorari having been filed with the United States Supreme Court. The Company intends to vigorously defend against these allegations, and management believes the resolution of this matter will not materially affect the Company’s financial position, results of operations or liquidity.

Guarantees

Outstanding guarantees were $21.6 and $20.1 at September 29, 2016 and December 31, 2015, respectively.

Restricted Cash - collateral requirements

The Company was required to maintain $19.9 of restricted cash as of both September 29, 2016 and December 31, 2015 related to certain collateral requirements for obligations under its workers’ compensation programs. Restricted cash related to certain collateral requirements for obligations under its workers' compensation programs is included in “Other assets” in the Company's Condensed Consolidated Balance Sheets.

Indemnification

The Company has entered into customary indemnification agreements with each of its Directors, and some of its executive employment agreements include indemnification provisions. Under those agreements, the Company agrees to indemnify each of these individuals against claims arising out of events or occurrences related to that individual’s service as the Company’s agent or the agent of any of its subsidiaries to the fullest extent legally permitted.

Service and Product Warranties and Extraordinary Rework

Provisions for estimated expenses related to service and product warranties and certain extraordinary rework are evaluated on a quarterly basis. These costs are accrued and are recorded to unallocated cost of goods sold. These estimates are established using historical information on the nature, frequency and average cost of warranty claims, including the experience of industry peers. In the case of new development products or new customers, Spirit considers other factors including the experience of other entities in the same business and management judgment, among others. Service warranty and extraordinary work is reported in current liabilities and other liabilities in the Condensed Consolidated Balance Sheet.

The following is a roll forward of the service warranty and extraordinary rework balance at September 29, 2016:

Balance, December 31, 2015	$	158.7
Charges to costs and expenses	15.0
Payouts	(8.6		)
Exchange rate	(0.7		)
Balance, September 29, 2016	$	164.4

23

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

19.  Other Expense, Net

Other expense, net is summarized as follows:

	For the Three Months Ended						For the Nine Months Ended
	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
KDFA bond	$	0.8		$	0.8		$	2.7		$	2.9
Rental and miscellaneous income (expense)(1)	0.2			(0.2		)	0.3			(2.1		)
Interest income	1.0			0.7			2.7			1.4
Foreign currency losses	(2.3		)	(3.8		)	(14.4		)	(3.0		)
Total	$	(0.3	)	$	(2.5	)	$	(8.7	)	$	(0.8	)

(1) Includes $2.0 of losses related to the settlement of interest rate swap agreements for the nine months ended October 1, 2015, as further detailed in Note 11, Derivative and Hedging Activities.

Foreign currency losses are due to the impact of movement in foreign currency exchange rates on an intercompany revolver and long-term contractual rights/obligations, as well as trade and intercompany receivables/payables which are denominated in a currency other than the entity’s functional currency. Foreign currency losses recognized during the nine months ended September 29, 2016 were primarily driven by the impact on the global markets of the decision for the United Kingdom to withdraw from the European Union (Brexit).

20.  Segment Information

The Company operates in three principal segments: Fuselage Systems, Propulsion Systems and Wing Systems. Substantially all revenues in the three principal segments are from Boeing, with the exception of Wing Systems, which includes revenues from Airbus and other customers.  Approximately 96% of the Company’s net revenues for the nine months ended September 29, 2016 came from the Company's two largest customers, Boeing and Airbus. All other activities fall within the All Other segment, principally made up of sundry sales of miscellaneous services, tooling contracts and sales of natural gas through a tenancy-in-common with other companies that have operations in Wichita, Kansas. The Company's primary profitability measure to review a segment’s operating performance is segment operating income before corporate selling, general and administrative expenses, research and development and unallocated cost of sales.

Corporate selling, general and administrative expenses include centralized functions such as accounting, treasury and human resources that are not specifically related to the Company's operating segments and are not allocated in measuring the operating segments’ profitability and performance and net profit margins. Research and development includes research and development efforts that benefit the Company as a whole and are not unique to a specific segment. Unallocated cost of sales includes general costs not directly attributable to segment operations, such as warranty, early retirement and other incentives. All of these items are not specifically related to the Company's operating segments and are not utilized in measuring the operating segments’ profitability and performance.

The Company’s Fuselage Systems segment includes development, production and marketing of forward, mid and rear fuselage sections and systems, primarily to aircraft OEMs (OEM refers to aircraft original equipment manufacturer), as well as related spares and maintenance, repairs and overhaul (MRO) services. The Fuselage Systems segment manufactures products at the Company's facilities in Wichita, Kansas and Kinston, North Carolina.  The Fuselage Systems segment also includes an assembly plant for the A350 XWB aircraft in Saint-Nazaire, France.

The Company’s Propulsion Systems segment includes development, production and marketing of struts/pylons, nacelles (including thrust reversers) and related engine structural components primarily to aircraft or engine OEMs, as well as related spares and MRO services.  The Propulsion Systems segment manufactures products at the Company's facility in Wichita, Kansas.

The Company’s Wing Systems segment includes development, production and marketing of wings and wing components (including flight control surfaces) as well as other miscellaneous structural parts primarily to aircraft OEMs, as well as related

24

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

spares and MRO services. These activities take place at the Company’s facilities in Tulsa and McAlester, Oklahoma; Kinston, North Carolina; Prestwick, Scotland; and Subang, Malaysia.

 The Company’s segments are consistent with the organization and responsibilities of management reporting to the chief operating decision-maker for the purpose of assessing performance. The Company’s definition of segment operating income differs from net profit margin as presented in its primary financial statements and a reconciliation of the segment and consolidated results is provided in the table set forth below.

 While some working capital accounts are maintained on a segment basis, much of the Company’s assets are not managed or maintained on a segment basis. Property, plant and equipment, including tooling, is used in the design and production of products for each of the segments and, therefore, is not allocated to any individual segment. In addition, cash, prepaid expenses, other assets and deferred taxes are managed and maintained on a consolidated basis and generally do not pertain to any particular segment. Raw materials and certain component parts are used in the production of aerostructures across all segments. Work-in-process inventory is identifiable by segment, but is managed and evaluated at the program level. As there is no segmentation of the Company’s productive assets, depreciation expense (included in fixed manufacturing costs and selling, general and administrative expenses) and capital expenditures, no allocation of these amounts has been made solely for purposes of segment disclosure requirements.

The following table shows segment revenues and operating income for the three and nine months ended September 29, 2016 and October 1, 2015:

	Three Months Ended						Nine Months Ended
	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
Segment Revenues
Fuselage Systems(1)	$	880.3		$	819.8		$	2,679.7		$	2,624.2
Propulsion Systems	453.0			429.5			1,373.3			1,316.0
Wing Systems	376.8			341.2			1,161.5			1,085.4
All Other (1)	1.3			3.1			8.4			8.9
	$	1,711.4		$	1,593.6		$	5,222.9		$	5,034.5
Segment Operating Income
Fuselage Systems (1)	$	142.5		$	130.7		$	340.9		$	463.2
Propulsion Systems	77.5			95.1			250.9			279.0
Wing Systems	51.1			45.6			174.7			140.9
All Other (1)	0.6			0.2			2.0			1.3
	271.7			271.6			768.5			884.4
Corporate SG&A	(52.2		)	(54.5		)	(172.4		)	(159.9		)
Research and development	(5.4		)	(6.5		)	(15.9		)	(20.2		)
Unallocated cost of sales (2)	0.3			(19.0		)	(16.0		)	(47.1		)
Total operating income	$	214.4		$	191.6		$	564.2		$	657.2

(1) Includes a reclassification of $10.2 of revenues and $1.8 of operating income from the Other segment to the Fuselage segment for the nine months ended September 29, 2016.

(2) Includes $7.7 and $11.8 of warranty reserve for the three months ended September 29, 2016 and October 1, 2015, respectively, and $12.0 and $34.2 for the nine months ended September 29, 2016 and October 1, 2015, respectively. Also includes $7.9 for the settlement of historical claims with suppliers for both the three and nine month periods ended September 29, 2016 and $11.8 related to early retirement incentives for the nine months ended September 29, 2016.

21.  Condensed Consolidating Financial Information

25

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

The 2020 Notes, 2022 Notes, and 2026 Notes were fully and unconditionally guaranteed on a joint and several senior unsecured basis by the Company and its 100% owned domestic subsidiaries, other than Spirit (the “Subsidiary Guarantors”). Following the A&R Credit Agreement, the 2022 Notes and 2026 Notes are fully and unconditionally guaranteed on a joint and several senior unsecured basis by the Company and no subsidiaries are guarantors to any of Spirit's senior notes. As of July 1, 2016, Spirit redeemed the 2020 Notes. For comparative purposes, all statements below have been updated to reflect the effects of the A&R Credit Agreement on the guarantor structure.

The following condensed consolidating financial information, which has been prepared in accordance with the requirements for presentation of Rule 3-10(d) of Regulation S-X promulgated under the Securities Act, presents the condensed consolidating financial information separately for:

(i) Holdings, as the parent company and parent guarantor to the A&R Credit Agreement, as further detailed in Note 12, Debt;

(ii) Spirit, as the subsidiary issuer of the 2022 Notes and the 2026 Notes, as well as the 2020 Notes which were outstanding through July 1, 2016;

(iii) The Company’s subsidiaries, (the “Subsidiary Non-Guarantors”), on a combined basis;

(iv) Consolidating entries and eliminations representing adjustments to (a) eliminate intercompany transactions between or among Holdings and the Subsidiary Non-Guarantors, (b) eliminate the investments in the Company’s subsidiaries and (c) record consolidating entries; and

(v) Holdings and its subsidiaries on a consolidated basis.

Condensed Consolidating Statements of Operations

For the Three Months Ended September 29, 2016

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net revenues	$	—		$	1,549.3		$	308.7		$	(146.6	)	$	1,711.4
Operating costs and expenses
Cost of sales	—			1,298.8			287.2			(146.6		)	1,439.4
Selling, general and administrative	2.2			46.6			3.4			—			52.2
Research and development	—			5.0			0.4			—			5.4
Total operating costs and expenses	2.2			1,350.4			291.0			(146.6		)	1,497.0
Operating (loss) income	(2.2		)	198.9			17.7			—			214.4
Interest expense and financing fee amortization	—			(12.1		)	(1.9		)	1.8			(12.2		)
Other income (expense), net	—			4.0			(2.5		)	(1.8		)	(0.3		)
(Loss) income before income taxes and equity in net income of affiliate and subsidiaries	(2.2		)	190.8			13.3			—			201.9
Income tax benefit (provision)	0.6			(55.8		)	(2.1		)	—			(57.3		)
(Loss) income before equity in net income of affiliate and subsidiaries	(1.6		)	135.0			11.2			—			144.6
Equity in net income of affiliate	0.5			—			0.5			(0.5		)	0.5
Equity in net income of subsidiaries	146.2			11.2			—			(157.4		)	—
Net income	145.1			146.2			11.7			(157.9		)	145.1
Other comprehensive (loss) income	(8.5		)	(8.5		)	(17.7		)	26.2			(8.5		)
Comprehensive income (loss)	$	136.6		$	137.7		$	(6.0	)	$	(131.7	)	$	136.6

26

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

Condensed Consolidating Statements of Operations

For the Three Months Ended October 1, 2015

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net revenues	$	—		$	1,457.7		$	238.1		$	(102.2	)	$	1,593.6
Operating costs and expenses
Cost of sales	—			1,227.7			215.5			(102.2		)	1,341.0
Selling, general and administrative	1.3			47.8			5.4			—			54.5
Research and development	—			6.0			0.5			—			6.5
Total operating costs and expenses	1.3			1,281.5			221.4			(102.2		)	1,402.0
Operating (loss) income	(1.3		)	176.2			16.7			—			191.6
Interest expense and financing fee amortization	—			(11.6		)	(1.8		)	1.7			(11.7		)
Other income (expense), net	—			2.8			(3.6		)	(1.7		)	(2.5		)
(Loss) income before income taxes and equity in net income of affiliate and subsidiaries	(1.3		)	167.4			11.3			—			177.4
Income tax (provision) benefit	(1.5		)	139.9			(2.5		)	—			135.9
(Loss) income before equity in net income of affiliate and subsidiaries	(2.8		)	307.3			8.8			—			313.3
Equity in net income of affiliate	0.3			—			0.3			(0.3		)	0.3
Equity in net income of subsidiaries	316.1			8.7			—			(324.8		)	—
Net income	313.6			316.0			9.1			(325.1		)	313.6
Other comprehensive (loss) income	(11.4		)	(11.4		)	(10.7		)	22.1			(11.4		)
Comprehensive income (loss)	$	302.2		$	304.6		$	(1.6	)	$	(303.0	)	$	302.2

27

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

Condensed Consolidating Statements of Operations

For the Nine Months Ended September 29, 2016

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net revenues	$	—		$	4,711.7		$	984.5		$	(473.3	)	$	5,222.9
Operating costs and expenses
Cost of sales	—			4,047.0			896.7			(473.3		)	4,470.4
Selling, general and administrative	6.0			154.4			12.0			—			172.4
Research and development	—			14.4			1.5			—			15.9
Total operating costs and expenses	6.0			4,215.8			910.2			(473.3		)	4,658.7
Operating (loss) income	(6.0		)	495.9			74.3			—			564.2
Interest expense and financing fee amortization	—			(47.2		)	(6.0		)	5.7			(47.5		)
Other income (expense), net	—			11.5			(14.5		)	(5.7		)	(8.7		)
(Loss) income before income taxes and equity in net income of affiliate and subsidiaries	(6.0		)	460.2			53.8			—			508.0
Income tax benefit (provision)	1.8			(140.1		)	(9.5		)	—			(147.8		)
(Loss) income before equity in net income of affiliate and subsidiaries	(4.2		)	320.1			44.3			—			360.2
Equity in net income of affiliate	1.3			—			1.3			(1.3		)	1.3
Equity in net income of subsidiaries	364.4			44.3			—			(408.7		)	—
Net income	361.5			364.4			45.6			(410.0		)	361.5
Other comprehensive (loss) income	(42.9		)	(42.9		)	(44.5		)	87.4			(42.9		)
Comprehensive income (loss)	$	318.6		$	321.5		$	1.1		$	(322.6	)	$	318.6

28

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

Condensed Consolidating Statements of Operations

For the Nine Months Ended October 1, 2015

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net revenues	$	—		$	4,641.2		$	736.8		$	(343.5	)	$	5,034.5
Operating costs and expenses
Cost of sales	—			3,881.8			658.9			(343.5		)	4,197.2
Selling, general and administrative	5.8			141.2			12.9			—			159.9
Research and development	—			19.0			1.2			—			20.2
Total operating costs and expenses	5.8			4,042.0			673.0			(343.5		)	4,377.3
Operating (loss) income	(5.8		)	599.2			63.8			—			657.2
Interest expense and financing fee amortization	—			(41.3		)	(5.8		)	5.4			(41.7		)
Other income (expense), net	—			7.4			(2.8		)	(5.4		)	(0.8		)
(Loss) income before income taxes and equity in net income of affiliate and subsidiaries	(5.8		)	565.3			55.2			—			614.7
Income tax (provision) benefit	(0.4		)	43.3			(8.1		)	—			34.8
(Loss) income before equity in net income of affiliate and subsidiaries	(6.2		)	608.6			47.1			—			649.5
Equity in net income of affiliate	0.9			—			0.9			(0.9		)	0.9
Equity in net income of subsidiaries	655.7			47.1			—			(702.8		)	—
Net income	650.4			655.7			48.0			(703.7		)	650.4
Other comprehensive (loss) income	(11.0		)	(11.0		)	(9.5		)	20.5			(11.0		)
Comprehensive income (loss)	$	639.4		$	644.7		$	38.5		$	(683.2	)	$	639.4

29

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

Condensed Consolidating Balance Sheet

September 29, 2016

	Holdings		Spirit		Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Current assets
Cash and cash equivalents	$	—	$	609.4	$	61.0	$	—		$	670.4
Accounts receivable, net	—		868.3		242.8		(362.5		)	748.6
Inventory, net	—		1,024.0		464.1		—			1,488.1
Other current assets	—		19.0		6.1		—			25.1
Total current assets	—		2,520.7		774.0		(362.5		)	2,932.2
Property, plant and equipment, net	—		1,397.7		537.0		—			1,934.7
Pension assets, net	—		244.3		11.8		—			256.1
Investment in subsidiary	1,809.3		542.6		—		(2,351.9		)	—
Other assets	—		429.9		98.3		(290.0		)	238.2
Total assets	$	1,809.3	$	5,135.2	$	1,421.1	$	(3,004.4	)	$	5,361.2
Current liabilities
Accounts payable	$	—	$	525.7	$	428.6	$	(362.5	)	$	591.8
Accrued expenses	—		191.3		35.7		—			227.0
Profit sharing	—		61.9		2.1		—			64.0
Current portion of long-term debt	—		31.9		2.3		—			34.2
Advance payments, short-term	—		201.4		—		—			201.4
Deferred revenue and other deferred credits, short-term	—		310.1		1.4		—			311.5
Deferred grant income liability - current	—		—		13.8		—			13.8
Other current liabilities	—		84.2		0.4		—			84.6
Total current liabilities	—		1,406.5		484.3		(362.5		)	1,528.3
Long-term debt	—		1,063.0		218.1		(210.0		)	1,071.1
Advance payments, long-term	—		382.5		—		—			382.5
Pension/OPEB obligation	—		71.6		—		—			71.6
Deferred grant income liability - non-current	—		—		68.5		—			68.5
Deferred revenue and other deferred credits	—		163.3		4.0		—			167.3
Other liabilities	—		318.9		23.7		(80.0		)	262.6
Total equity	1,809.3		1,729.4		622.5		(2,351.9		)	1,809.3
Total liabilities and shareholders’ equity	$	1,809.3	$	5,135.2	$	1,421.1	$	(3,004.4	)	$	5,361.2

30

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

Condensed Consolidating Balance Sheet

December 31, 2015

	Holdings		Spirit		Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Current assets
Cash and cash equivalents	$	—	$	894.2	$	63.1	$	—		$	957.3
Accounts receivable, net	—		686.3		216.5		(365.8		)	537.0
Inventory, net	—		1,229.0		545.3		0.1			1,774.4
Other current assets	—		24.4		6.0		—			30.4
Total current assets	—		2,833.9		830.9		(365.7		)	3,299.1
Property, plant and equipment, net	—		1,393.1		557.6		—			1,950.7
Pension assets, net	—		233.3		13.6		—			246.9
Investment in subsidiary	2,120.0		537.8		0.1		(2,657.9		)	—
Other assets	—		504.7		104.0		(340.9		)	267.8
Total assets	$	2,120.0	$	5,502.8	$	1,506.2	$	(3,364.5	)	$	5,764.5
Current liabilities
Accounts payable	$	—	$	538.2	$	445.8	$	(365.8	)	$	618.2
Accrued expenses	—		195.0		35.2		—			230.2
Profit sharing	—		58.3		3.3		—			61.6
Current portion of long-term debt	—		32.2		2.7		—			34.9
Advance payments, short-term	—		178.3		—		—			178.3
Deferred revenue and other deferred credits, short-term	—		281.7		3.8		—			285.5
Deferred grant income liability - current	—		—		11.9		—			11.9
Other current liabilities	—		34.7		3.0		—			37.7
Total current liabilities	—		1,318.4		505.7		(365.8		)	1,458.3
Long-term debt	—		1,075.7		270.6		(261.0		)	1,085.3
Advance payments, long-term	—		507.4		—		—			507.4
Pension/OPEB obligation	—		67.7		—		—			67.7
Deferred grant income liability - non-current	—		—		82.3		—			82.3
Deferred revenue and other deferred credits	—		165.6		4.4		—			170.0
Other liabilities	—		328.2		25.3		(80.0		)	273.5
Total equity	2,120.0		2,039.8		617.9		(2,657.7		)	2,120.0
Total liabilities and shareholders’ equity	$	2,120.0	$	5,502.8	$	1,506.2	$	(3,364.5	)	$	5,764.5

31

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

Condensed Consolidating Statements of Cash Flows

For the Nine Months Ended September 29, 2016

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments		Total
Operating activities
Net cash provided by (used in) operating activities	$	—		$	481.3		$	93.1		$	—	$	574.4
Investing activities
Purchase of property, plant and equipment	—			(121.4		)	(35.4		)	—		(156.8		)
Proceeds from sale of assets	—			0.6			—			—		0.6
Other	—			0.4			(0.4		)	—		—
Net cash used in investing activities	—			(120.4		)	(35.8		)	—		(156.2		)
Financing activities
Proceeds from issuance of bonds	—			299.8			—			—		299.8
Principal payments of debt	—			(14.4		)	(2.3		)	—		(16.7		)
Payment on bonds	—			(300.0		)	—			—		(300.0		)
Collection on (repayment of) intercompany debt	—			51.0			(51.0		)	—		—
Taxes paid related to net share settlement of awards	—			(15.2		)	—			—		(15.2		)
Excess tax benefit of share-based payment arrangements	—			(0.1		)	—			—		(0.1		)
Debt issuance and financing costs	—			(17.2		)	—			—		(17.2		)
Proceeds (payments) from subsidiary for purchase of treasury stock	649.6			(649.6		)	—			—		—
Purchase of treasury stock	(649.6		)	—			—			—		(649.6		)
Net cash used in financing activities	—			(645.7		)	(53.3		)	—		(699.0		)
Effect of exchange rate changes on cash and cash equivalents	—			—			(6.1		)	—		(6.1		)
Net decrease in cash and cash equivalents for the period	—			(284.8		)	(2.1		)	—		(286.9		)
Cash and cash equivalents, beginning of period	—			894.2			63.1			—		957.3
Cash and cash equivalents, end of period	$	—		$	609.4		$	61.0		$	—	$	670.4

32

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

Condensed Consolidating Statements of Cash Flows

For the Nine Months Ended October 1, 2015

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments		Total
Operating activities
Net cash provided by operating activities	$	—		$	888.9		$	80.5		$	—	$	969.4
Investing activities
Purchase of property, plant and equipment	—			(164.9		)	(51.6		)	—		(216.5		)
Proceeds from sale of assets	—			1.8			—			—		1.8
Other	—			(0.2		)	0.2			—		—
Net cash used in investing activities	—			(163.3		)	(51.4		)	—		(214.7		)
Financing activities
Proceeds from issuance of debt	—			535.0			—			—		535.0
Principal payments of debt	—			(26.7		)	(2.5		)	—		(29.2		)
Payments on term loan	—			(534.9		)	—			—		(534.9		)
Increase (decrease) in intercompany debt	—			17.0			(17.0		)	—		—
Excess tax benefits from share-based payment arrangements	—			10.6			0.1			—		10.7
Collection on (repayment of) intercompany debt	—			(20.7		)	—			—		(20.7		)
Debt issuance and financing costs	—			(4.7		)	—			—		(4.7		)
Proceeds (payments) from subsidiary for purchase of treasury stock	45.9			(45.9		)	—			—		—
Purchase of treasury stock	(45.9		)	—			—			—		(45.9		)
Net cash used in financing activities	—			(70.3		)	(19.4		)	—		(89.7		)
Effect of exchange rate changes on cash and cash equivalents	—			—			(0.2		)	—		(0.2		)
Net increase in cash and cash equivalents for the period	—			655.3			9.5			—		664.8
Cash and cash equivalents, beginning of period	—			354.6			23.3			—		377.9
Cash and cash equivalents, end of period	$	—		$	1,009.9		$	32.8		$	—	$	1,042.7

22.  Customer Unpriced Change Orders and Assertions

Spirit regularly commences work and incorporates customer-directed changes prior to negotiating pricing terms for engineering work, for work related to the modification of the product, and/or other statement of work. Spirit typically has the legal right to negotiate pricing for customer-directed changes. In those cases, Spirit asserts to its customers its contractual rights to be paid the additional revenue or cost reimbursement the Company expects to receive upon finalizing pricing terms.

Spirit’s supply agreement for the B787 program (the "B787 Supply Agreement") provides that initial prices for the B787-9 and B787-10 are to be determined by a procedure set out in the B787 Supply Agreement, and documented by amendment once that amendment has been agreed to by the parties. As part of a memorandum of agreement that Spirit and Boeing entered into in November 2014 (the "November 2014 MOA"), Boeing and Spirit established interim prices for certain B787 shipsets, and the parties agreed to negotiate future rate increases, recurring prices, and other issues across multiple programs during 2015. Since Spirit was unable to reach agreement with Boeing on these issues by the end of 2015, once the parties agree upon appropriate pricing for the B787-9, Boeing will be entitled to a retroactive adjustment on certain B787 payments which were based on the interim pricing. The amount Spirit received that is subject to a retroactive adjustment was recorded as deferred revenue, and has not been recognized by the Company as revenue. Spirit is engaged in discussions with Boeing concerning how to determine the subsequent B787-9 and initial B787-10 prices, and have not yet reached agreement. Spirit’s ability to successfully negotiate fair

33

Spirit AeroSystems Holdings, Inc.

Notes to the Condensed Consolidated Financial Statements (unaudited)

($, €, and RM in millions other than per share amounts)

and equitable prices for these models as well as overall B787 delivery volumes and rate investments, and its ability to achieve forecasted cost improvements on all B787 models are key factors in achieving the projected financial performance for this program.

For B787-9 and B787-10 deliveries in the Company's second B787 contract block, the Company has applied the applicable accounting guidance for unpriced change orders in estimating total block revenues which will be updated as part of the Company’s Estimate at Completion process until the final pricing is negotiated. Pending final price negotiations, the Company has estimated revenue for B787-9 and B787-10 deliveries to include assumptions around changes from the contract configuration baseline for each B787 model.

34

Item 2.  Management’s Discussion and Analysis of Financial Condition and Results of Operations

You should read the following discussion of our financial condition and results of operations in conjunction with the unaudited condensed consolidated financial statements and the notes to the unaudited condensed consolidated financial statements appearing elsewhere in this Quarterly Report on Form 10-Q (this “Quarterly Report”). The following section may include “forward-looking statements.” Forward-looking statements generally can be identified by the use of forward-looking terminology such as “anticipate,” “believe,” “continue,” “estimate,” “expect,” “forecast,” “intend,” “may,” “plan,” “project,” “should,” “will,” and other similar words or phrases, or the negative thereof, unless the context requires otherwise. These statements reflect management’s current views with respect to future events and are subject to risks and uncertainties, both known and unknown, including, but not limited to, those described in the “Risk Factors” section of our Annual Report on Form 10-K for the fiscal year ended December 31, 2015 filed with the Securities and Exchange Commission ("SEC") on February 12, 2016 (our “2015 Form 10-K”). See also “Cautionary Statement Regarding Forward-Looking Statements.” Our actual results may vary materially from those anticipated in forward-looking statements. We caution investors not to place undue reliance on any forward-looking statements.

Recent Events

On November 1, 2016 the Company announced a new share repurchase program for the purchase of up to $600.0 million of the Company's common stock.

On November 1, 2016 the Company announced a $0.10 per share cash dividend on the outstanding common stock of the Company payable January 9, 2017 to shareholders of record at the close of business on December 19, 2016.

On October 28, 2016, the Company received a letter from Boeing requesting a payment of $235.7 million as a retroactive adjustment on certain B787 payments which were based on the interim pricing agreed to as part of a memorandum of agreement that Spirit and Boeing entered into in November 2014 (the “November 2014 MOA”). These payments were received by Spirit during 2015 and the first quarter of 2016. The amount Spirit received that is subject to a retroactive adjustment was recorded as deferred revenue and has not been recognized by the Company as revenue. Spirit continues to negotiate with Boeing on appropriate pricing for the 787-9 which will determine the amount of retroactive adjustment.

On October 8, 2016 the Company's Kinston, North Carolina site operations were temporarily shut down due to the aftermath of Hurricane Matthew which disrupted utility service to the site and caused flooding around the streets and highways surrounding the facility. The Company immediately implemented its emergency management and disaster recovery plans, initially suspended operations to ensure the safety of its employees, performed a comprehensive damage evaluation, and developed a plan for systematically resuming production. The Company's work-in-process, production equipment and capabilities remained intact, and the Company resumed production on October 12, 2016.

On September 29, 2016, Spirit sold its operations located in Chanute, Kansas to Orizon Aerostructures.

On July 31, 2016, Thomas C. Gentile began serving as President and Chief Executive Officer of the Company and Spirit immediately following the retirement of Larry A. Lawson, former President and Chief Executive Officer.

Overview

We are one of the largest independent non-OEM (original equipment manufacturer) aircraft parts designers and manufacturers of commercial aerostructures in the world, based on annual revenues, as well as the largest independent supplier of aerostructures to Boeing. In addition, we are one of the largest independent suppliers of aerostructures to Airbus. Boeing and Airbus are the two largest aircraft OEMs in the world. Aerostructures are structural components, such as fuselage systems, propulsion systems and wing systems for commercial and military aircraft. For the three months ended September 29, 2016, we generated net revenues of $1,711.4 million and net income of $145.1 million, and for the nine months ended September 29, 2016, we generated net revenues of $5,222.9 million and net income of $361.5 million.

We are organized into three principal reporting segments: (1) Fuselage Systems, which includes forward, mid and rear fuselage sections, (2) Propulsion Systems, which includes nacelles, struts/pylons and engine structural components, and (3) Wing Systems, which includes wings, wing components, flight control surfaces and other miscellaneous structural parts. All other activities fall within the All Other segment, principally made up of sundry sales of miscellaneous services, tooling contracts and sales of natural gas through a tenancy-in-common with other companies that have operations in Wichita, Kansas. The Fuselage Systems segment manufactures products at our facilities in Wichita, Kansas and Kinston, North Carolina, with an assembly plant in Saint-Nazaire, France for the A350 XWB program. The Propulsion Systems segment manufactures products at our facility in Wichita, Kansas. The Wing Systems segment manufactures products at our facilities in Tulsa and McAlester, Oklahoma; Prestwick, Scotland; Subang,

35

Malaysia; and Kinston, North Carolina. Fuselage Systems, Propulsion Systems, Wing Systems and All Other represented approximately 51%, 27%, 22% and less than 1%, respectively, of our net revenues for the three months ended September 29, 2016 and 52%, 26%, 22% and less than 1%, respectively, of our net revenues for the nine months ended September 29, 2016.

Management’s Focus

The Company’s focus is on ensuring that our quality and operational and cost performance are world class. As part of our efforts to position the Company for future success, we completed several key initiatives by concentrating on productivity, preparation for sustained growth, cost reductions and business alignment, implementation of a capital deployment strategy and a greater emphasis on long-term growth.

As we continue to position the Company for future success, our focus for 2016 has included restructuring and reducing our internal costs, continuing to execute on the A350 program, and concentrating on cash generation and disciplined cash deployment. We will strive to become more competitive by investing in technology and automation. These investments will reduce costs and allow us to meet increasing production rates on many of our programs. Additionally, we will position ourselves for growth within both the commercial and defense markets. Considering the strong demand for commercial aircraft and the expected continued need for defense aircraft for the foreseeable future, both markets offer possibilities for growth.

New and Maturing Programs

We are currently performing work on several new and maturing programs, which are in various stages of development. These programs carry risks associated with design responsibility, development of production tooling, production inefficiencies during the initial phases of production, hiring and training of qualified personnel, increased capital and funding commitments, supplier performance, delivery schedules and unique contractual requirements. Our success depends on our ability to achieve performance obligations on new and maturing programs to our customers' satisfaction and manufacture products at our estimated cost. The Company has previously recorded forward loss charges on new and maturing programs. If the risks are not mitigated, then the Company could record additional forward loss charges.

In order to continue to reduce risk on our new and maturing programs, it will be critical that we successfully perform under revised design and manufacturing plans, achieve planned cost reductions as we enter increasing levels of production, meet customer delivery schedules, successfully resolve claims and assertions and negotiate pricing with our customers and suppliers.

A350 XWB

We continue to support the development of the A350 XWB program through two contracts we have with Airbus, a fuselage contract and a wing contract, both of which are segmented into a non-recurring design engineering phase and a recurring production phase. In addition, we support the development of the work scope for the design and tooling related to the -1000 derivative of the A350 XWB fuselage and wing contracts.

Our A350 XWB fuselage recurring program experienced various production inefficiencies in its earlier stages of production which resulted in previously recorded forward losses, mostly driven by early development discovery and engineering change to the aircraft design, as well as higher test and transportation costs.

During the second quarter of 2016, Spirit signed a memorandum of agreement with Airbus (the "Airbus 2016 MOA") which, in part, materially reset the pricing for 800 units on the A350 XWB Fuselage and Wing requirements contracts. The Airbus 2016 MOA was negotiated to economically compensate Spirit for significant engineering changes to aircraft design. The new pricing provided the Company with a higher degree of certainty of revenue that will be realized over the 800 unit contracts. Further, the Company analyzed A350 XWB market demand using third party publications as well as Airbus firm orders which indicated that the sustained demand for the A350 XWB program was in excess of 800 units in the second quarter of 2016. The Company determined that due to the higher degree of precision of the A350 XWB revenue along with the strong, sustained market demand, it was appropriate to extend the accounting block quantity to 800 units. The contract block quantity change was made in accordance with applicable accounting guidance as well as the Company’s accounting policies and past practices. As a result of the Airbus 2016 MOA, the Company updated its estimated revenues that will be realized over the 800 unit A350 XWB Fuselage and Wing contract accounting blocks.

While the Company continued to make progress on the A350 XWB Fuselage program the Company experienced various disruption and production inefficiencies that exceeded estimates made in previous quarters primarily related to achieving production rate increases. As a result of these disruptions and inefficiencies, cost estimates were updated in the second quarter of 2016 to account for increased labor costs in fabrication and assembly and expedited shipping costs to meet current and future customer

36

production rate increases. The Company also updated its estimates in the second quarter of 2016 due to uncertainty of supply chain cost reductions and achievement of cost affordability projects.

The changes in revenue and cost estimates during the second quarter of 2016 (as described above) resulted in an additional forward loss charge of $135.7 million on the A350 XWB Fuselage program and a $8.2 million favorable cumulative catch-up adjustment on the A350 XWB Wing program. The Airbus 2016 MOA was a comprehensive agreement which reduces financial risk, strengthens our partnership with Airbus and positions Spirit to extend our collaboration with them in the future, however the Company could record additional forward loss charges if there are further changes to revenue and cost estimates and/or if risks are not mitigated.

B787 Program

As we enter into our second contract block on the B787 program, our performance for this program depends on our continued ability to achieve cost reductions in our manufacturing and support labor and supply chain as well as our ability to successfully negotiate fair and equitable prices on the B787-9 and B787-10.

We regularly commence work and incorporate customer-directed changes prior to negotiating pricing terms for engineering work, for work related to the modification of the product, and/or other statement of work. We typically have the legal right to negotiate pricing for customer-directed changes. In those cases, we assert to our customers our contractual rights to be paid the additional revenue or cost reimbursement the Company expects to receive upon finalizing pricing terms.

Our supply agreement for the B787 program (the "B787 Supply Agreement") provides that initial prices for the B787-9 and B787-10 are to be determined by a procedure set out in the B787 Supply Agreement, and documented by amendment once that amendment has been agreed to by the parties. As part of a memorandum of agreement that Spirit and Boeing entered into in November 2014 (the "November 2014 MOA"), Boeing and Spirit established interim prices for certain B787 shipsets, and the parties agreed to negotiate future rate increases, recurring prices, and other issues across multiple programs during 2015. Since we were unable to reach agreement with Boeing on these issues by the end of 2015, once the parties agree upon appropriate pricing for the B787-9, Boeing will be entitled to a retroactive adjustment on certain B787 payments which were based on the interim pricing. The amount we received that is subject to a retroactive adjustment was recorded as deferred revenue, and has not been recognized by us as revenue. We are engaged in discussions with Boeing concerning how to determine the subsequent B787-9 and initial B787-10 prices, and have not yet reached agreement. Our ability to successfully negotiate fair and equitable prices for these models as well as overall B787 delivery volumes and rate investments, and our ability to achieve forecasted cost improvements on all B787 models are key factors in achieving the projected financial performance for this program.

For B787-9 and B787-10 deliveries in our second B787 contract block, we have applied the applicable accounting guidance for unpriced change orders in estimating total block revenues which will be updated as part of the Company’s Estimate at Completion process until the final pricing is negotiated. Pending final price negotiations, we have estimated revenue for B787-9 and B787-10 deliveries to include assumptions around changes from the contract configuration baseline for each B787 model.

Boeing Legacy Programs

On April 8, 2014, we entered into a Memorandum of Agreement with Boeing that established pricing terms for the B737, B747, B767 and B777 programs for the period commencing on April 1, 2014 and ending on December 31, 2015, under the Company's long-term supply contract with Boeing covering products for such programs. The new pricing terms were not applied to the period prior to April 1, 2014. The new prices do not apply to the 737 MAX, for which recurring pricing has not yet been agreed. Since the parties have been unable to agree upon pricing on the B737, B747, B767 and B777 platforms for the periods beyond 2015, an interim payment mechanism has been triggered for deliveries under the supply contract commencing January 1, 2016. This interim payment mechanism is based upon existing prices, adjusted using a quantity-based price adjustment formula and specified annual escalation. The interim payment mechanism is subject to adjustment when follow-on pricing is agreed upon. Prices for commercial derivative models are to be negotiated in good faith by the parties based on then-prevailing market conditions. If the parties cannot agree on price, then they must engage in dispute resolution pursuant to agreed-upon procedures.

In February 2016, Spirit's contract with Boeing, which allowed Spirit to manufacture and sell spare parts to parties other than Boeing using Boeing intellectual property, was not renewed. This contract was not considered a material component of our business.

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Results of Operations

The following table sets forth, for the periods indicated, certain of our operating data:

	Three Months Ended								Nine Months Ended
	September 29, 2016			October 1, 2015			Percentage Change to Prior Year		September 29, 2016			October 1, 2015			Percentage Change to Prior Year
	($ in millions)								($ in millions)
Net revenues	$	1,711.4		$	1,593.6		7	%	$	5,222.9		$	5,034.5		4	%
Cost of sales	1,439.4			1,341.0			7	%	4,470.4			4,197.2			7	%
Gross profit	272.0			252.6					752.5			837.3
Selling, general and administrative	52.2			54.5			(4	)%	172.4			159.9			8	%
Research and development	5.4			6.5			(17	)%	15.9			20.2			(21	)%
Operating income	214.4			191.6					564.2			657.2
Interest expense and financing fee amortization	(12.2		)	(11.7		)	4	%	(47.5		)	(41.7		)	14	%
Other expense, net	(0.3		)	(2.5		)	(88	)%	(8.7		)	(0.8		)	988	%
Income before income taxes and equity in net income of affiliate	201.9			177.4					508.0			614.7
Income tax (provision) benefit	(57.3		)	135.9			(142	)%	(147.8		)	34.8			(525	)%
Income before equity in net income of affiliate	144.6			313.3					360.2			649.5
Equity in net income of affiliate	0.5			0.3			67	%	1.3			0.9			44	%
Net income	$	145.1		$	313.6				$	361.5		$	650.4

Comparative shipset deliveries by model are as follows:

	Three Months Ended		Nine Months Ended
Model	September 29, 2016	October 1, 2015	September 29, 2016	October 1, 2015
B737	126	127	384	389
B747	2	4	7	12
B767	6	3	19	13
B777	26	27	77	78
B787	30	31	99	97
Total Boeing	190	192	586	589
A320 Family	119	115	411	370
A330/340 (1)	17	17	50	63
A350 XWB	16	8	50	23
A380	4	6	17	18
Total Airbus	156	146	528	474
Business/Regional Jets	22	9	59	42
Total	368	347	1,173	1,105

(1) Airbus publicly announced a reduction in A330 production rate.

For purposes of measuring production or shipset deliveries for Boeing aircraft in a given period, the term “shipset” refers to sets of structural fuselage components produced or delivered for one aircraft in such period. For purposes of measuring production or shipset deliveries for Airbus and Business/Regional Jet aircraft in a given period, the term “shipset” refers to all structural

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aircraft components produced or delivered for one aircraft in such period. For the purposes of measuring wing shipset deliveries, the term "shipset" refers to all wing components produced or delivered for one aircraft in such period. Other components which are part of the same aircraft shipsets could be produced or shipped in earlier or later accounting periods than the components used to measure production or shipset deliveries, which may result in slight variations in production or delivery quantities of the various shipset components in any given period.

Net revenues by prime customer are as follows: 

	Three Months Ended				Nine Months Ended
Prime Customer	September 29, 2016		October 1, 2015		September 29, 2016		October 1, 2015
	($ in millions)				($ in millions)
Boeing	$	1,410.2	$	1,352.9	$	4,257.2	$	4,274.6
Airbus	240.4		167.3		744.2		518.0
Other	60.8		73.4		221.5		241.9
Total net revenues	$	1,711.4	$	1,593.6	$	5,222.9	$	5,034.5

Changes in Estimates

During the third quarter of 2016, we recognized a total charge for changes in estimates of $5.5 million, which includes net forward loss charges of $1.2 million and unfavorable cumulative catch-up adjustments related to periods prior to the third quarter of 2016 of $4.3 million. During the same period in the prior year, we recognized total changes in estimates of $19.0 million, which was composed of favorable cumulative catch-up adjustments related to periods prior to the third quarter of 2015 of $19.0 million.

During the first nine months of 2016, we recognized a total charge for changes in estimates of $89.9 million, which includes net forward loss charges of $121.9 million, partially offset by favorable cumulative catch-up adjustments related to periods prior to 2016 of $32.0 million. During the same period in the prior year, we recognized total changes in estimates of $41.5 million, which includes favorable cumulative catch-up adjustments related to periods prior to 2015 of $36.4 million and favorable changes in estimates on loss programs of $5.1 million.

Three Months Ended September 29, 2016 as Compared to Three Months Ended October 1, 2015

Net Revenues.  Net revenues for the three months ended September 29, 2016 were $1,711.4 million, an increase of $117.8 million, or 7%, compared to net revenues of $1,593.6 million for the same period in the prior year. Higher revenues were recorded for the Fuselage, Propulsion, and Wing Systems segments during the third quarter of 2016 compared to the same period in the prior year. The increase in net revenues was primarily due to higher production deliveries on the A350 XWB and B767, higher revenues recognized on certain nonrecurring Boeing programs, and the absence of historical non-conformance claims resolution as compared to 2015, partially offset by lower production deliveries on the B747. These specific increases and decreases net to $121.4 million of the total increase in revenue. Approximately 96% of Spirit’s net revenues for the third quarter of 2016 came from our two largest customers, Boeing and Airbus.

Production deliveries to Boeing decreased to 190 shipsets during the third quarter of 2016, compared to 192 shipsets delivered in the same period of the prior year. Production deliveries to Airbus increased to 156 shipsets during the third quarter of 2016, compared to 146 shipsets delivered in the same period of the prior year, primarily driven by higher production of the A320 and A350 XWB programs, partially offset by lower A380 deliveries. Production deliveries of business/regional jet wing and wing components increased to 22 shipsets during the third quarter of 2016, compared to 9 shipsets delivered in the same period of the prior year, driven by higher production on the Rolls-Royce BR725 and CSeries programs. In total, production deliveries increased to 368 shipsets during the third quarter of 2016, compared to 347 shipsets delivered in the same period of the prior year.

Gross Profit.  Gross profit was $272.0 million for the three months ended September 29, 2016, as compared to $252.6 million for the same period in the prior year. The increase in gross profit during the third quarter of 2016 compared to the same period in the prior year was primarily driven by higher revenues and the absence of historical non-conformance claims resolution as compared to 2015. In the third quarter of 2016, we recognized $4.3 million of unfavorable cumulative catch-up adjustments related to periods prior to the third quarter of 2016 and $1.2 million of net forward loss charges. In the same period of 2015, we recorded $19.0 million of favorable cumulative catch-up adjustments related to periods prior to the third quarter of 2015.

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SG&A and Research and Development.  SG&A expense was $2.3 million lower for the three months ended September 29, 2016, compared to the same period in the prior year. Research and development expense was $1.1 million lower for the three months ended September 29, 2016, compared to the same period in the prior year primarily due to fewer internal projects underway.

Operating Income.  Operating income for the three months ended September 29, 2016 was $214.4 million, an increase of $22.8 million, or 12% compared to operating income of $191.6 million for the same period in the prior year. The increase in operating income was primarily the result of the absence of 2015 historical non-conformance claims resolution, partially offset by changes in estimates charges.

Interest Expense and Financing Fee Amortization.  Interest expense and financing fee amortization for the three months ended September 29, 2016 includes $8.4 million of interest and fees paid or accrued in connection with long-term debt and $3.8 million in amortization of deferred financing costs and original issue discount, compared to $10.8 million of interest and fees paid or accrued in connection with long-term debt and $0.9 million in amortization of deferred financing costs and original issue discount for the same period in the prior year. As a result of the refinancing activity which occurred during the second quarter of 2016, interest expense for the three months ended September 29, 2016 reflects lower interest rates on our term loan and bonds compared to the same period in the prior year. Additionally, Spirit incurred a charge of $2.9 million on July 1, 2016 for the call premium related to the redemption of our senior notes due in 2020 that remained outstanding following the completion of the tender offer that concluded during the second quarter of 2016.

Other Expense, net. Other expense, net for the three months ended September 29, 2016 was $0.3 million, compared to $2.5 million for the same period in the prior year. Other expense, net during the third quarter of 2016 was primarily driven by foreign exchange rate losses as the British Pound value weakened against the U.S. Dollar.

Provision for Income Taxes. Our reported tax rate includes two principal components: an expected annual tax rate and discrete items resulting in additional provisions or benefits that are recorded in the quarter that an event arises. Events or items that could give rise to discrete recognition include excess tax benefits in respect of share-based compensation, finalizing audit examinations for open tax years, statute of limitations expiration, or a change in tax law.

The income tax provision for the three months ended September 29, 2016 includes $53.3 million for federal taxes, $2.7 million for state taxes and $1.3 million for foreign taxes. The income tax provision for the three months ended October 1, 2015 includes ($82.8) million for federal taxes, ($54.8) million for state taxes and $1.7 million for foreign taxes. The effective tax rate for the three months ended September 29, 2016 was 28.4% as compared to (76.6%) for the same period in 2015. The difference in the effective tax rate recorded for 2016 as compared to 2015 is related primarily to the U.S. net deferred tax asset valuation allowance decrease in 2015. The decrease from the U.S. statutory tax rate is attributable primarily to the inclusion of the tax effects of the U.S. qualified domestic production activities deduction, foreign tax rates lower than the U.S. rate, the generation of state income tax credits and federal research tax credits.

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Segments.  The following table shows segment revenues and operating income for the three months ended September 29, 2016 and October 1, 2015:

	Three Months Ended
	September 29, 2016			October 1, 2015
	($ in millions)
Segment Revenues
Fuselage Systems	$	880.3		$	819.8
Propulsion Systems	453.0			429.5
Wing Systems	376.8			341.2
All Other	1.3			3.1
	$	1,711.4		$	1,593.6
Segment Operating Income
Fuselage Systems	$	142.5		$	130.7
Propulsion Systems	77.5			95.1
Wing Systems	51.1			45.6
All Other	0.6			0.2
	271.7			271.6
Corporate SG&A	(52.2		)	(54.5		)
Research and development	(5.4		)	(6.5		)
Unallocated cost of sales(1)	0.3			(19.0		)
Total operating income	$	214.4		$	191.6

(1) Includes $7.7 million and $11.8 million of warranty reserve for the three months ended September 29, 2016 and October 1, 2015, respectively. Also includes $7.9 million for the settlement of historical claims with suppliers for the three months ended September 29, 2016.

Fuselage Systems, Propulsion Systems, Wing Systems and All Other represented approximately 51%, 27%, 22% and less than 1%, respectively, of our net revenues for the three months ended September 29, 2016.

Fuselage Systems.  Fuselage Systems segment net revenues for the three months ended September 29, 2016 were $880.3 million, an increase of $60.5 million, or 7%, compared to the same period in the prior year. The increase was primarily due to higher production deliveries on the A350 XWB and B767 and the absence of historical non-conformance claims resolution as compared to 2015, partially offset by lower production deliveries on the B737 and B747. Fuselage Systems segment operating margins were 16% for each of the three month periods ended September 29, 2016 and October 1, 2015. In the third quarter of 2016, the segment recorded unfavorable cumulative catch-up adjustments of $1.9 million and net forward loss charges of $1.6 million. In comparison, during the third quarter of 2015, the segment recorded favorable cumulative catch-up adjustments of $7.8 million driven by productivity and efficiency improvements on mature programs.

Propulsion Systems.  Propulsion Systems segment net revenues for the three months ended September 29, 2016 were $453.0 million, an increase of $23.5 million, or 5%, compared to the same period in the prior year. The increase was primarily due to higher revenue recognized on certain nonrecurring Boeing programs and higher production deliveries on the B767 and the Rolls-Royce BR725, partially offset by lower production deliveries on the B747. Propulsion Systems segment operating margins were 17% for the three months ended September 29, 2016, compared to 22% for the same period in the prior year. This decrease was primarily driven by the favorable cumulative catch-up adjustments recorded during the third quarter of 2015 and increased revenue from lower-margin programs and ongoing implementation of supply chain initiatives during the third quarter of 2016. The segment recorded unfavorable cumulative catch-up adjustments of $1.6 million as well as net forward loss charges of $0.5 million for the three months ended September 29, 2016. In comparison, during the same period of the prior year, the segment recorded favorable cumulative catch-up adjustments of $8.4 million.

Wing Systems.  Wing Systems segment net revenues for the three months ended September 29, 2016 were $376.8 million, an increase of $35.6 million, or 10%, compared to the same period in the prior year. The increase was primarily due to higher production

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deliveries on the A350 XWB and B737 and higher revenues recognized on the B787 program primarily driven by the recognition of deferred revenue payments, customer incentives and higher segment deliveries. These increases were partially offset by lower wing-related activity on the B777 program and lower production deliveries on the B747. Wing Systems segment operating margins were 14% for the three months ended September 29, 2016, compared to 13% for the same period in the prior year. In the third quarter of 2016, the segment recorded $0.9 million of favorable change in estimates on our loss programs, partially offset by unfavorable cumulative catch-up adjustments of $0.8 million. In comparison, during the third quarter of 2015, the segment recorded favorable cumulative catch-up adjustments of $2.8 million.

All Other.  All Other segment net revenues consist of sundry sales of miscellaneous services, tooling contracts and natural gas revenues from KIESC. In the three months ended September 29, 2016, All Other segment net revenues were $1.3 million, a decrease of $1.8 million compared to the same period in the prior year primarily due to lower revenue from tooling contracts, partially offset by higher sundry sales.

Nine Months Ended September 29, 2016 as Compared to Nine Months Ended October 1, 2015

Net Revenues.  Net revenues for the nine months ended September 29, 2016 were $5,222.9 million, an increase of $188.4 million, or 4%, compared to net revenues of $5,034.5 million for the same period in the prior year. Higher revenues were recorded for the Fuselage, Propulsion and Wing Systems segments during the first nine months of 2016 as compared to the same period in the prior year. The increase in net revenues was primarily due to higher production deliveries on the A350 XWB and B767, one-time claim settlements with customers and higher revenues recognized on certain nonrecurring Boeing programs, partially offset by lower revenue recognized due to the impact of the pricing terms under the B787 Supply Agreement and lower production deliveries on the B737 and B747, all of which net to a $183.2 million increase in revenue. Approximately 96% of Spirit’s net revenues for the nine months ended September 29, 2016 came from our two largest customers, Boeing and Airbus.

Production deliveries to Boeing decreased slightly to 586 shipsets during the first nine months of 2016, compared to 589 shipsets delivered in the same period of the prior year. Production deliveries to Airbus increased to 528 shipsets during the first nine months of 2016, compared to 474 shipsets delivered in the same period of the prior year, primarily driven by higher production of the A320 and A350 XWB programs, partially offset by lower A330 deliveries due to Airbus' reduction of the A330 production rate. Production deliveries of business/regional jet wing and wing components increased to 59 shipsets during the first nine months of 2016, compared to 42 shipsets delivered in the same period of the prior year. In total, production deliveries increased to 1,173 shipsets during the first nine months of 2016, compared to 1,105 shipsets delivered in the same period of the prior year.

Gross Profit.  Gross profit was $752.5 million for the nine months ended September 29, 2016, as compared to $837.3 million for the same period in the prior year. The decrease in gross profit was primarily driven by the recognition of a $135.7 million forward loss charge on the A350 XWB fuselage program, partially offset by profits resulting from higher production deliveries on the A350 XWB wing segment and B767, the absence of historical non-conformance claims resolution as compared to 2015, and the impact of the periodic warranty reserve evaluation during 2016.

SG&A and Research and Development.  SG&A expense was $12.5 million higher for the nine months ended September 29, 2016, compared to the same period in the prior year, primarily due to expenses related to executive retirements and severance including stock compensation. Research and development expense was $4.3 million lower for the nine months ended September 29, 2016, compared to the same period in the prior year due to fewer internal projects underway.

Operating Income.  Operating income for the nine months ended September 29, 2016 was $564.2 million, a decrease of $93.0 million, or 14%, compared to operating income of $657.2 million for the same period in the prior year. The decrease in operating income was primarily the result of net forward loss charges recognized during the second quarter of 2016, partially offset by the absence of charges taken during 2015 for resolution of historical non-conformance claims.

Interest Expense and Financing Fee Amortization.  Interest expense and financing fee amortization for the nine months ended September 29, 2016 includes $29.0 million of interest and fees paid or accrued in connection with long-term debt and $18.5 million in amortization of deferred financing costs and original issue discount compared to $35.7 million of interest and fees paid or accrued in connection with long-term debt and $6.0 million in amortization of deferred financing costs and original issue discount for the same period in the prior year. During the first nine months of 2016, we recognized $15.8 million in interest expense for the write-down of deferred financing costs, original issue discount and third party fees and a call premium resulting from the financing activities that occurred during the second quarter of 2016 which included the amendment and restatement of our senior credit agreement and redemption of our senior notes due in 2020 using proceeds from the issuance of our senior notes due in 2026. In March 2015, we entered into Amendment No. 5 to our senior credit facility which resulted in a loss on extinguishment of debt charge of $3.6 million. Additionally, interest expense for the first nine months of 2016 reflects lower average interest rates on our term loan and bonds compared to the same period in the prior year.

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Other Expense, net. Other expense, net for the nine months ended September 29, 2016 was $8.7 million, compared to $0.8 million for the same period in the prior year. Other expense, net during 2016 was primarily driven by foreign exchange rate losses as the British Pound value weakened against the U.S. Dollar. During the nine months ended October 1, 2015, we recognized $2.0 million of losses related to the settlement of our interest rate swap agreements.

Provision for Income Taxes. Our reported tax rate includes two principal components: an expected annual tax rate and discrete items resulting in additional provisions or benefits that are recorded in the quarter that an event arises. Events or items that could give rise to discrete recognition include excess tax benefits in respect of share-based compensation, finalizing audit examinations for open tax years, statute of limitations expiration, or a change in tax law.

The income tax provision for the nine months ended September 29, 2016 includes $136.2 million for federal taxes, $5.0 million for state taxes and $6.6 million for foreign taxes. The income tax provision for the nine months ended October 1, 2015 included $13.0 million for federal taxes, ($53.8) million for state taxes and $6.0 million for foreign taxes. The effective tax rate for the nine months ended September 29, 2016 was 29.1% as compared to (5.7%) for the same period in 2015. The difference in the effective tax rate recorded for 2016 as compared to 2015 is related primarily to the U.S. net deferred tax asset valuation allowance decrease in 2015 and the inclusion of the tax effects of excess tax benefits in respect of share-based compensation in the income tax provision in 2016. The decrease from the U.S. statutory tax rate is attributable primarily to the inclusion of the tax effects of the U.S. qualified domestic production activities deduction, foreign tax rates lower than the U.S. rate, excess tax benefits in respect of share-based compensation in the income tax provision, the generation of state income tax credits and federal research tax credits.

Segments.  The following table shows segment revenues and operating income for the nine months ended September 29, 2016 and October 1, 2015:

	Nine Months Ended
	September 29, 2016			October 1, 2015
	($ in millions)
Segment Revenues
Fuselage Systems(1)	$	2,679.7		$	2,624.2
Propulsion Systems	1,373.3			1,316.0
Wing Systems	1,161.5			1,085.4
All Other(1)	8.4			8.9
	$	5,222.9		$	5,034.5
Segment Operating Income
Fuselage Systems(1)	$	340.9		$	463.2
Propulsion Systems	250.9			279.0
Wing Systems	174.7			140.9
All Other(1)	2.0			1.3
	768.5			884.4
Corporate SG&A	(172.4		)	(159.9		)
Research and development	(15.9		)	(20.2		)
Unallocated cost of sales(2)	(16.0		)	(47.1		)
Total operating income	$	564.2		$	657.2

(1) Includes a reclassification of $10.2 million of revenues and $1.8 million of operating income from the Other segment to the Fuselage segment for the nine months ended September 29, 2016.

(2) Includes $12.0 million and $34.2 million of warranty reserve for the nine months ended September 29, 2016 and October 1, 2015, respectively. Also includes $7.9 million for the settlement of historical claims with suppliers and $11.8 million related to early retirement incentives, for the nine months ended September 29, 2016.

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Fuselage Systems, Propulsion Systems, Wing Systems and All Other represented approximately 52%, 26%, 22% and less than 1%, respectively, of our net revenues for the nine months ended September 29, 2016.

Fuselage Systems.  Fuselage Systems segment net revenues for the nine months ended September 29, 2016 were $2,679.7 million, an increase of $55.5 million, or 2%, compared to the same period in the prior year. The increase was primarily due to higher production deliveries on the A350 XWB and B767 and absence of charges related to historical non-conformance claims, partially offset by lower net revenues recognized on the B787 program in accordance with pricing terms under the B787 Supply Agreement and lower production deliveries on the B737 and B747. Fuselage Systems segment operating margins were 13% for the nine months ended September 29, 2016, compared to 18% for the same period in the prior year, with the decrease primarily driven by a $135.7 million net forward loss charge recorded on the A350 XWB fuselage program. In the first nine months of 2016, the segment recorded net forward loss charges of $133.0 million, slightly offset by favorable cumulative catch-up adjustments of $15.1 million. In comparison, during the first nine months of 2015, the segment recorded favorable cumulative catch-up adjustments of $15.4 million driven by productivity and efficiency improvements on mature programs, as well as $6.4 million of favorable change in estimates on our loss programs.

Propulsion Systems.  Propulsion Systems segment net revenues for the nine months ended September 29, 2016 were $1,373.3 million, an increase of $57.3 million, or 4%, compared to the same period in the prior year. The increase was primarily due to higher revenue recognized on certain nonrecurring Boeing programs and increased production deliveries on the B767 and the CSeries aircraft, partially offset by fewer production deliveries on the B747. Propulsion Systems segment operating margins were 18% for the nine months ended September 29, 2016, compared to 21% for the same period in the prior year. This decrease was primarily driven by the favorable cumulative catch-up adjustments recorded during 2015 and increased revenue from lower-margin programs as well as ongoing implementation of supply chain initiatives during 2016. In the first nine months of 2016, the segment recorded $6.0 million of favorable change in estimates on our loss programs, partially offset by unfavorable cumulative catch-up adjustments of $1.8 million. In comparison, during the first nine months of 2015, the segment recorded favorable cumulative catch-up adjustments of $19.8 million driven by productivity and efficiency improvements on mature programs, partially offset by net forward loss charges of $1.3 million.

Wing Systems.  Wing Systems segment net revenues for the nine months ended September 29, 2016 were $1,161.5 million, an increase of $76.1 million, or 7%, compared to the same period in the prior year. The increase was primarily due to higher production deliveries on the A350 XWB and one-time claim settlements with customers, partially offset by lower B777 wing related activity and fewer production deliveries on the B747. Wing Systems segment operating margins were 15% for the nine months ended September 29, 2016, compared to 13% for the same period in the prior year, primarily driven by favorable labor and material cost performance. In the first nine months of 2016, the segment recorded favorable cumulative catch-up adjustments of $18.7 million driven by claim settlements with customers and productivity and efficiency improvements, as well as $5.1 million of favorable change in estimates on our loss programs. In comparison, during the first nine months of 2015, the segment recorded favorable cumulative catch-up adjustments of $1.2 million.

All Other.  All Other segment net revenues consist of sundry sales of miscellaneous services, tooling contracts and natural gas revenues from KIESC. In the nine months ended September 29, 2016, All Other segment net revenues were $8.4 million, a decrease of $0.5 million compared to the same period in the prior year. The All Other segment recorded 24% operating margins for the nine months ended September 29, 2016.

Liquidity and Capital Resources

The primary sources of our liquidity include cash on hand, cash flow from operations, which includes receivables from customers, and borrowings available under our revolving credit facility. Additionally, we may receive advance payments from customers and proceeds from asset sales. Our liquidity requirements are driven by our long-cycle business model. Our business model is comprised of four to six year non-recurring investment periods, which include design and development efforts, followed by recurring production, in most cases, through the life of the contract, which could extend beyond twenty years. The non-recurring investment periods require significant outflows of cash as we design the product, build tooling, purchase equipment and build initial production inventories. These activities could be funded partially through customer advances and milestone payments, which are offset against revenue as production units are delivered in the case of customer advances, or recognized as revenue as milestones are achieved in the case of milestone payments. The remaining funds needed to support non-recurring programs come from predictable cash inflows from our mature programs that are in the recurring phase of the production cycle. The non-recurring investment period typically ends concurrently with initial deliveries of completed aircraft by our customers, which indicates that a program has entered into the recurring production phase. When a program reaches steady recurring production, it typically results in long-term generation of cash from operations. As part of our business model, we have continuously added new non-recurring programs, which are supported by mature programs that are in the steady recurring phase of the production cycle to promote growth.

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On January 27, 2016, our Board of Directors authorized a new share repurchase program for the purchase of up to $600.0 million of the Company's common stock. Repurchases under this program were concluded during the third quarter ended September 29, 2016. During the nine months ended September 29, 2016, we repurchased 14,244,227 shares of our class A common stock for $649.6 million, which included the purchase of 1,000,000 shares of our class A common stock for $50.0 million under a prior share repurchase program.

As of September 29, 2016, we had $670.4 million of cash and cash equivalents on the balance sheet and $650.0 million of available borrowing capacity under our revolving credit facility. There were no borrowings or outstanding balances under our revolving credit facility as of September 29, 2016. Based on our planned levels of operations and our strong liquidity position, we currently expect that our cash on hand, cash flow from operations and borrowings available under our revolving credit facility will be sufficient to fund our operations, inventory growth, planned capital investments, research and development expenditures and scheduled debt service payments for at least the next twelve months.

Cash Flows

The following table provides a summary of our cash flows for the nine months ended September 29, 2016 and October 1, 2015:

	For the nine months ended
	September 29, 2016			October 1, 2015
	($ in millions)
Net cash provided by operating activities	$	574.4		$	969.4
Net cash used in investing activities	(156.2		)	(214.7		)
Net cash used in financing activities	(699.0		)	(89.7		)
Effect of exchange rate change on cash and cash equivalents	(6.1		)	(0.2		)
Net (decrease) increase in cash and cash equivalents for the period	(286.9		)	664.8
Cash and cash equivalents, beginning of period	957.3			377.9
Cash and cash equivalents, end of period	$	670.4		$	1,042.7

Nine Months Ended September 29, 2016 as Compared to Nine Months Ended October 1, 2015

Operating Activities. For the nine months ended September 29, 2016, we had a net cash inflow of $574.4 million from operating activities, a decrease of $395.0 million compared to a net cash inflow of $969.4 million for the same period in the prior year. The decrease in net cash provided by operating activities was primarily due to lower cash receipts and income tax payments during the first nine months of 2016. Lower cash receipts were primarily due to settlement of retainage receivable during the first nine months of 2015 and lower receipt of deferred revenue and advance payments from customers during the first nine months of 2016, all of which totaled approximately $293.1 million.Net tax payments made during the first nine months of 2016 were $111.3 million, a decrease in net cash provided of $126.5 million, compared to net tax refunds of $15.2 million received during the same period in the prior year.

Investing Activities. For the nine months ended September 29, 2016, we had a net cash outflow of $156.2 million for investing activities, a decrease in outflow of $58.5 million compared to a net cash outflow of $214.7 million for the same period in the prior year. The decrease in cash outflow was primarily driven by higher investment in capital during the first nine months of 2015 to support increasing production rates.

Financing Activities. For the nine months ended September 29, 2016, we had a net cash outflow of $699.0 million for financing activities, an increase in outflow of $609.3 million, compared to a net cash outflow of $89.7 million for the same period in the prior year. During the nine months ended September 29, 2016, the Company repurchased 14,244,227 shares of its class A common stock for $649.6 million. Additionally, we amended our credit agreement and issued $300.0 million of senior notes due in 2026 and used those proceeds along with cash on hand to repurchase $300.0 million of our senior notes due in 2020 pursuant to a tender offer and redemption. The decrease in principal payments paid was primarily due to fewer principal payments due on our term loan during the first nine months of 2016 compared to the same period in the prior year.

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Future Cash Needs and Capital Spending

Our primary future cash needs will consist of working capital, debt service, research and development, capital expenditures, potential share repurchases, dividend payments and merger and acquisition or disposition activities. We expend significant capital as we undertake new programs, which begin in the non-recurring investment phase of our business model. In addition, we expend significant capital to meet increased production rates on certain mature and maturing programs, including the B737, B787, A320 and A350 XWB programs. In response to announced customer production rate increases, we are evaluating various plans to relieve capacity constraints. We also require capital to develop new technologies for the next generation of aircraft, which may not be funded by our customers. Capital expenditures for the nine months ended September 29, 2016 totaled $156.8 million, as compared to $216.5 million for the same period in 2015. We plan to fund future capital expenditures and cash requirements from cash on hand, cash generated by operations, customer cash advances, borrowings available under our revolving credit facility and proceeds from asset sales, if any.

On January 27, 2016, our Board of Directors authorized a new share repurchase program for the purchase of up to $600.0 million of the Company's common stock. Repurchases under this program were concluded during the third quarter ended September 29, 2016. During the nine months ended September 29, 2016, we repurchased 14,244,227 shares of our class A common stock for $649.6 million, which included the purchase of 1,000,000 shares of our class A common stock for $50.0 million under a prior share repurchase program.

On November 1, 2016 the Company announced a new share repurchase program for the purchase of up to $600.0 million of the Company's common stock.

On November 1, 2016 the Company announced a $0.10 per share cash dividend on the outstanding common stock of the Company payable January 9, 2017 to shareholders of record at the close of business on December 19, 2016.

Pension and Other Post Retirement Benefit Obligations

Our U.S. pension plan remained fully funded at September 29, 2016 and we anticipate non-cash pension income for 2016 to remain at or near the same level as 2015. Our plan investments are broadly diversified and we do not anticipate a near-term requirement to make cash contributions to our U.S. pension plan. See Note 13, Pension and Other Post-Retirement Benefits, for more information on the Company's pension plans.

Debt and Other Financing Arrangements

On June 6, 2016, Spirit and the Company entered into the senior unsecured Amended and Restated Credit Agreement, among Spirit, as borrower, the Company, as parent guarantor, the lenders party thereto, Bank of America, N.A., as administrative agent, and the other agents named therein (the "A&R Credit Agreement"). The A&R Credit Agreement refinanced and replaced the Credit Agreement, dated as of April 18, 2012, as amended by Amendment No. 1, dated as of October 26, 2012, Amendment No. 2, dated as of August 2, 2013, Amendment No. 3, dated as of March 18, 2014, Amendment No. 4, dated as of June 3, 2014 and Amendment No. 5 dated as of March 18, 2015 (the “Prior Credit Agreement”). Certain terms of the A&R Credit Agreement were available to Spirit based on increases to Spirit's senior unsecured debt rating provided by Standard & Poor’s Financial Services LLC (“S&P”) and/or Moody’s Investors Service, Inc. (“Moody’s”). The A&R Credit Agreement provides for a $650.0 million revolving credit facility (the “Revolver”) and a $500.0 million term loan A facility (the “Term Loan”). Each of the Revolver and the Term Loan has a maturity date of June 4, 2021, and each bears interest, at Spirit’s option, at either LIBOR plus 1.5% or a defined “base rate” plus 0.50%, subject to adjustment to amounts between and including LIBOR plus 1.125% and LIBOR plus 2.0% (or amounts between and including base rate plus 0.125% and base rate plus 1.0%, as applicable) based on changes to Spirit’s senior unsecured debt rating provided by S&P and/or Moody’s. The principal obligations under the Term Loan are to be repaid in equal quarterly installments of $6.25 million, with the remaining balance due at maturity of the Term Loan. The A&R Credit Agreement removes many of the prepayment requirements contained in the Prior Credit Agreement. The covenant structure was amended and provides the Company with some additional flexibility with respect to certain activities which were previously restricted by affirmative and negative covenants, though the A&R Credit Agreement does continue to contain customary affirmative and negative covenants available to investment grade companies, including certain financial covenants that are tested on a quarterly basis. The A&R Credit Agreement contains an accordion feature that provides Spirit with the option to increase the Revolver commitments and/or institute one or more additional term loans by an amount not to exceed $500.0 million in the aggregate, subject to the satisfaction of certain conditions and the participation of the lenders. Spirit used the proceeds of the Term Loan, along with cash on hand, to pay off the outstanding amounts under the term loan A under the Prior Credit Agreement and to pay a portion of the fees and expenses payable in connection with the A&R Credit Agreement.

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As of September 29, 2016, the outstanding balance of the Term Loan was $500.0 million and the carrying value was $497.5 million. As a result of extinguishment and modification of the term loan A and the Revolver under the Prior Credit Agreement which occurred during the second quarter of 2016, the Company recognized a loss on extinguishment of debt of $1.4 million including third party fees of $0.4 million, all of which is reflected within amortization of deferred financing fees on the Condensed Consolidated Statement of Cash Flows for the nine months ended September 29, 2016. As a result of extinguishment of a term loan B under the Prior Credit Agreement during the first quarter of 2015, the Company recognized a loss on extinguishment of debt of $3.6 million. Of this total charge, $3.1 million is reflected within amortization of deferred financing fees and $0.5 million is reflected within amortization expense on the Condensed Consolidated Statement of Cash Flows for the nine months ended October 1, 2015.

Senior Notes.  In November 2010, the Company issued $300.0 million in aggregate principal amount of 6.75% Senior Notes due December 15, 2020 (the “2020 Notes”), with interest payable, in cash in arrears, on June 15 and December 15 of each year, beginning June 15, 2011. The 2020 Notes were fully and unconditionally guaranteed, jointly and severally, on a senior unsecured basis by the Company and Spirit’s existing and future domestic subsidiaries that guaranteed Spirit’s obligations under the Prior Credit Agreement. As more fully described below, as of July 1, 2016, the 2020 Notes were no longer outstanding.

In March 2014, the Company issued $300.0 million in aggregate principal amount of 5.25% Senior Notes due March 15, 2022 (the "2022 Notes") with interest payable, in cash in arrears, on March 15 and September 15 of each year, beginning September 15, 2014. The 2022 Notes are unconditionally guaranteed, jointly and severally, on a senior unsecured basis, by the Company and its existing and future domestic subsidiaries, if any, that may guarantee Spirit's obligations under a senior credit facility. The carrying value of the 2022 Notes was $293.5 million as of September 29, 2016.

On May 24, 2016 the Company commenced an offer to purchase for cash any and all of the $300.0 million outstanding principal amount of its 2020 Notes (the “Tender Offer”). Under the terms of the Tender Offer, Holders of 2020 Notes who validly tendered their notes at or prior to May 31, 2016 would receive $1,037.25 per $1,000.0 principal amount of the 2020 Notes tendered.

On June 1, 2016, in order to fund the Tender Offer or otherwise acquire, redeem or repurchase the 2020 Notes, the Company issued $300.0 million in aggregate principal amount of 3.850% Senior Notes due June 15, 2026 (the "2026 Notes") with interest payable, in cash in arrears, on June 15 and December 15 of each year, beginning December 15, 2016. The indenture governing the 2026 Notes (the “2026 Notes Indenture”) requires that the 2026 Notes be guaranteed by the Company and each of Spirit’s existing and future domestic subsidiaries, if any, that may guarantee Spirit’s obligations under a senior credit facility. In addition, the 2026 Notes Indenture contains covenants that limit Spirit’s, the Company’s and certain of Spirit’s subsidiaries’ ability to create liens without granting equal and ratable liens to the holders of the 2026 Notes or to enter into sale and leaseback transactions. These covenants are subject to a number of qualifications and limitations. The 2026 Notes Indenture also provides for customary events of default. The carrying value of the 2026 Notes was $296.9 million as of September 29, 2016.

On June 1, 2016, Spirit repurchased $213.6 million aggregate principal amount of its 2020 Notes pursuant to the Tender Offer. Tender fees related to the early extinguishment of the 2020 Notes were $8.0 million, which are included within debt issuance cost on the Condensed Consolidated Statement of Cash Flows for the nine months ended September 29, 2016.

In addition, on June 1, 2016, Spirit called for redemption the remaining $86.4 million aggregate principal amount of 2020 Notes outstanding following completion of the Tender Offer. This amount was recorded as Restricted Cash on the Balance Sheet for the period ended June 30, 2016. The redemption price of the 2020 Notes was 103.375% of the principal amount thereof, plus accrued and unpaid interest to, but not including, the redemption date of July 1, 2016. Following the redemption on July 1, 2016, none of the 2020 Notes remained outstanding.

As a result of the extinguishment of the 2020 Notes, the Company recognized a loss on extinguishment of the 2020 Notes of $11.5 million all of which is reflected within amortization of deferred financing fees on the Condensed Consolidated Statement of Cash Flows for the nine months ended September 29, 2016.

Advances on the B787 Program.  Boeing has made advance payments to Spirit under the B787 Supply Agreement, which advance payments are required to be repaid to Boeing by way of offset against the purchase price for future shipset deliveries. Advance repayments were scheduled to be spread evenly over the remainder of the first 1,000 B787 shipsets delivered to Boeing. On April 8, 2014, the Company signed a memorandum of agreement with Boeing which suspended advance repayments related to the B787 program for a period of twelve months beginning April 1, 2014. Repayment recommenced on April 1, 2015 and any repayments which otherwise would have become due during such twelve-month period will offset the purchase price for shipsets 1,001 through 1,120. In the event Boeing does not take delivery of a sufficient number of shipsets to repay the full amount of advances prior to the termination of the B787 program or the B787 Supply Agreement, any advances not then repaid will be applied against any outstanding payments then due by Boeing to us, and any remaining balance will be repaid in annual installments of

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$42.0 million due on December 15th of each year until the advance payments have been fully recovered by Boeing. As of September 29, 2016, the amount of advance payments received by us from Boeing under the B787 Supply Agreement and not yet repaid was approximately $446.5 million.

Advances on the A350 Fuselage Program.  In March 2012, we signed a Memorandum of Agreement with Airbus providing for Airbus to make advance payments to us in 2012. The advance payments are offset against the recurring price of A350 XWB shipsets invoiced by Spirit, at a rate of $1.25 million per shipset. As of September 29, 2016, the amount of advance payments received and not yet repaid was approximately $137.5 million.

Credit Ratings

The Company's credit rating at September 29, 2016 was BBB- by S&P and Baa3 by Moody's.

Our credit ratings are reviewed periodically by the rating agencies listed above.

The credit rating agencies consider many factors when assigning their ratings, such as the global economic environment and its possible impact on our financial performance, as well as certain financial metrics. Accordingly, it is possible the rating agencies could downgrade our credit ratings from their current levels. This could significantly influence the interest rate of any future debt financings.

A debt security credit rating is not a recommendation to buy, sell or hold a security. Each rating is subject to revision or withdrawal at any time by the assigning rating organization. Each rating agency has its own methodology for assigning ratings.  Accordingly, each rating should be considered independent of other ratings.

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CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report contains certain “forward-looking statements” that may involve many risks and uncertainties. Forward-looking statements reflect our current expectations or forecasts of future events. Forward-looking statements generally can be identified by the use of forward-looking terminology such as “anticipate,” “believe,” “continue,” “estimate,” “expect,” “forecast,” “intend,” “may,” “plan,” “project,” “should,” “will,” and other similar words or phrases, or the negative thereof, unless the context requires otherwise. These statements reflect management’s current views with respect to future events and are subject to risks and uncertainties, both known and unknown. Our actual results may vary materially from those anticipated in forward-looking statements. We caution investors not to place undue reliance on any forward-looking statements.

Important factors that could cause actual results to differ materially from those reflected in such forward-looking statements and that should be considered in evaluating our outlook include, but are not limited to, the following:

• our ability to continue to grow our business and execute our growth strategy, including the timing, execution and profitability of new and maturing programs;

• our ability to perform our obligations and manage costs related to our new and maturing commercial, business aircraft and military development programs and the related recurring production;

• margin pressures and the potential for additional forward losses on new and maturing programs;

• our ability to accommodate, and the cost of accommodating, announced increases in the build rates of certain aircraft;

• the effect on aircraft demand and build rates of changing customer preferences for business aircraft, including the effect of global economic conditions on the business aircraft market and expanding conflicts or political unrest in the Middle East or Asia;

• customer cancellations or deferrals as a result of global economic uncertainty;

• the effect of economic conditions in the industries and markets in which we operate in the U.S. and globally and any changes therein, including fluctuations in foreign currency exchange rates;

• the success and timely execution of key milestones such as receipt of necessary regulatory approvals and customer adherence to their announced schedules;

• our ability to successfully negotiate future pricing under our supply agreements with Boeing and our other customers;

• our ability to enter into profitable supply arrangements with additional customers;

• the ability of all parties to satisfy their performance requirements under existing supply contracts with our two major customers, Boeing and Airbus, and other customers, and the risk of nonpayment by such customers;

• any adverse impact on Boeing’s and Airbus’ production of aircraft resulting from cancellations, deferrals or reduced orders by their customers or from labor disputes or acts of terrorism;

• any adverse impact on the demand for air travel or our operations from the outbreak of diseases or epidemic or pandemic outbreaks;

• our ability to avoid or recover from cyber-based or other security attacks, information technology failures or other disruptions;

• returns on pension plan assets and the impact of future discount rate changes on pension obligations;

• our ability to borrow additional funds or refinance debt;

• competition from commercial aerospace original equipment manufacturers and other aerostructures suppliers;

• the effect of governmental laws, such as U.S. export control laws and U.S. and foreign anti-bribery laws such as the Foreign Corrupt Practices Act and the United Kingdom Bribery Act, and environmental laws and agency regulations, both in the U.S. and abroad;

• any reduction in our credit ratings;

• our dependence on our suppliers, as well as the cost and availability of raw materials and purchased components;

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• our ability to recruit and retain highly-skilled employees and our relationships with the unions representing many of our employees;

• spending by the U.S. and other governments on defense;

• the possibility that our cash flows and borrowing facilities may not be adequate for our additional capital needs or for payment of interest on and principal of our indebtedness;

• our exposure under our existing senior secured revolving credit facility to higher interest payments should interest rates increase substantially;

• the effectiveness of any interest rate hedging programs;

• the effectiveness of our internal control over financial reporting;

• the outcome or impact of ongoing or future litigation, claims and regulatory actions; and

• our exposure to potential product liability and warranty claims.

These factors are not exhaustive and it is not possible for us to predict all factors that could cause actual results to differ materially from those reflected in our forward-looking statements. These factors speak only as of the date hereof, and new factors may emerge or changes to the foregoing factors may occur that could impact our business. As with any projection or forecast, these statements are inherently susceptible to uncertainty and changes in circumstances. Except to the extent required by law, we undertake no obligation to, and expressly disclaim any obligation to, publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. You should review carefully the sections captioned “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2015 Form 10-K, our Q1 2016 Form 10-Q, our Q2 2016 Form 10-Q and this Quarterly Report on Form 10-Q for a more complete discussion of these and other factors that may affect our business.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk

As a result of our operating and financing activities, we are exposed to various market risks that may affect our consolidated results of operations and financial position. These market risks include fluctuations in interest rates, which impact the amount of interest we must pay on our variable rate debt. In addition to other information set forth in this report, you should carefully consider the factors discussed in Item 7A. “Quantitative and Qualitative Disclosures About Market Risk” in our 2015 Form 10-K which could materially affect our business, financial condition or results of operations. There have been no material changes in our market risk since the filing of our 2015 Form 10-K.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our President and Chief Executive Officer and Executive Vice President and Chief Financial Officer have evaluated our disclosure controls as of September 29, 2016 and have concluded that these disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934) are effective to provide reasonable assurance that information required to be disclosed by us in the reports that we file or submit under the Securities Exchange Act of 1934, as amended, is recorded, processed, summarized and reported within the time period specified in the Security and Exchange Commission rules and forms. These disclosure controls and procedures include, without limitation, controls and procedures designed to provide reasonable assurance that information required to be disclosed by us in the reports we file or submit is accumulated and communicated to management of the Company, including our principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting that occurred during the third quarter of 2016 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II — OTHER INFORMATION

Item 1. Legal Proceedings

Information regarding any recent material development relating to our legal proceedings since the filing of our 2015 Form 10-K is included in Note 18, Commitments, Contingencies and Guarantees to our condensed consolidated financial statements included in Part I of this Quarterly Report and incorporated herein by reference.

Item 1A. Risk Factors

In addition to other information set forth in this Quarterly Report, you should carefully consider the factors discussed in Part I, Item 1A, “Risk Factors,” in our 2015 Form 10-K as updated in our Q1 2016 Form 10-Q, which could materially affect our business, financial condition or results of operations. There have been no material changes to the Company’s risk factors previously disclosed in our 2015 Form 10-K, as updated in our Q1 2016 Form 10-Q.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

There were no sales of unregistered equity securities during the three months ended September 29, 2016.

The following table provides information about our repurchases during the three months ended September 29, 2016 of our common stock that is registered pursuant to Section 12 of the Securities Exchange Act of 1934.

ISSUER PURCHASES OF EQUITY SECURITIES

Period (1)	Total Number of Shares Purchased	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Approximate Dollar Value of Shares that May Yet be Repurchased Under the Plans or Programs (2)
	($ in millions other than per share amounts)
July 1, 2016 - August 4, 2016	—		$—	—		$332.0
August 5, 2016 - September 1, 2016	5,707,580		$45.0299	5,707,580		$74.9
September 2, 2016 - September 29, 2016	1,646,202		$45.4654	1,646,202		$—
Total	7,353,782		$45.1274	7,353,782		$—

(1) Our fiscal months often differ from the calendar months except for the month of December, as our fiscal year ends on December 31. For example, August 4, 2016 was the last day of our July 2016 fiscal month.

(2) On January 27, 2016, the Company announced that our Board of Directors authorized a new share repurchase program for the purchase of up to $600.0 million of our common stock. During the three months ended September 29, 2016, the Company repurchased the remaining balance under this program.

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Item 6.  Exhibits

Article I. Exhibit Number	Section 1.01 Exhibit
31.1*	Certification of Chief Executive Officer pursuant to Section 302 of Sarbanes-Oxley Act of 2002.
31.2*	Certification of Chief Financial Officer pursuant to Section 302 of Sarbanes-Oxley Act of 2002.
32.1**	Certification of Chief Executive Officer pursuant to Section 906 of Sarbanes-Oxley Act of 2002.
32.2**	Certification of Chief Financial Officer pursuant to Section 906 of Sarbanes-Oxley Act of 2002.
101.INS@*	XBRL Instance Document.
101.SCH@*	XBRL Taxonomy Extension Schema Document.
101.CAL@*	XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF@*	XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB@*	XBRL Taxonomy Extension Label Linkbase Document.
101.PRE@*	XBRL Taxonomy Extension Presentation Linkbase Document.
*	Filed herewith
**	Furnished herewith

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Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

SPIRIT AEROSYSTEMS HOLDINGS, INC.

Signature	Title	Date
/s/ Sanjay Kapoor	Executive Vice President and Chief Financial	November 3, 2016
Sanjay Kapoor	Officer (Principal Financial Officer)

Signature	Title	Date
/s/ Mark J. Suchinski	Vice President and Corporate Controller (Principal Accounting Officer)	November 3, 2016
Mark J. Suchinski

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EX-31.1

EXHIBIT 31.1

CERTIFICATION PURSUANT TO

RULE 13a/15d OF THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Thomas C. Gentile III, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Spirit AeroSystems Holdings, Inc. (“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.

/s/ Thomas C. Gentile III

Thomas C. Gentile III

President and Chief Executive Officer

Date: November 3, 2016

EX-31.2

EXHIBIT 31.2

CERTIFICATION PURSUANT TO

RULE 13a/15d OF THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Sanjay Kapoor, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Spirit AeroSystems Holdings, Inc. (“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.

/s/ Sanjay Kapoor

Sanjay Kapoor

Executive Vice President and Chief Financial Officer

Date: November 3, 2016

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 Quarterly Report of Spirit AeroSystems Holdings, Inc. (the “Company”) on Form 10-Q for the period ended September 29, 2016, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Thomas C. Gentile III, as President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 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.

/s/ Thomas C. Gentile III

Thomas C. Gentile III

President and Chief Executive Officer

Date: November 3, 2016

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 Quarterly Report of Spirit AeroSystems Holdings, Inc. (the “Company”) on Form 10-Q for the period ended September 29, 2016, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Sanjay Kapoor, as Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 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.

/s/ Sanjay Kapoor

Sanjay Kapoor

Executive Vice President and Chief Financial Officer

Date: November 3, 2016

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 29, 2016	Oct. 27, 2016
Class Of Stock [Line Items]
Entity Registrant Name	Spirit AeroSystems Holdings, Inc.
Entity Central Index Key	0001364885
Document Type	10-Q
Document Period End Date	Sep. 29, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Amendment Flag	false
Trading Symbol	SPR
Class A [Member]
Class Of Stock [Line Items]
Entity Common Stock, Shares Outstanding		121,651,382
Class B [Member]
Class Of Stock [Line Items]
Entity Common Stock, Shares Outstanding		0

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Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Oct. 01, 2015
Revenues [Abstract]
Net revenues	$ 1,711.4	$ 1,593.6	$ 5,222.9	$ 5,034.5
Operating costs and expenses
Cost of sales	1,439.4	1,341.0	4,470.4	4,197.2
Selling, general and administrative	52.2	54.5	172.4	159.9
Research and development	5.4	6.5	15.9	20.2
Total operating costs and expenses	1,497.0	1,402.0	4,658.7	4,377.3
Operating income	214.4	191.6	564.2	657.2
Interest expense and financing fee amortization	(12.2)	(11.7)	(47.5)	(41.7)
Other expense, net	0.3	2.5	8.7	0.8
Income before income taxes and equity in net income of affiliate	201.9	177.4	508.0	614.7
Income tax (provision) benefit	(57.3)	135.9	(147.8)	34.8
Income before equity in net income of affiliate	144.6	313.3	360.2	649.5
Equity in net income of affiliate	0.5	0.3	1.3	0.9
Net income	$ 145.1	$ 313.6	$ 361.5	$ 650.4
Earnings per share
Basic (in dollars per share)	$ 1.16	$ 2.25	$ 2.82	$ 4.67
Diluted (in dollars per share)	$ 1.16	$ 2.24	$ 2.80	$ 4.64

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Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Oct. 01, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 145.1	$ 313.6	$ 361.5	$ 650.4
Changes in other comprehensive loss, net of tax:
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	0.0	0.0	0.0	1.1
Foreign currency translation adjustments	(7.8)	(9.3)	(38.8)	(8.2)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	0.4	(0.6)	1.4	(2.5)
Unrealized foreign exchange loss on intercompany loan, net of tax effect of $0.3 and $0.4 for the three months ended and $1.4 and $0.4 for the nine months ended, respectively	(1.1)	(1.5)	(5.5)	(1.4)
Total other comprehensive loss	(8.5)	(11.4)	(42.9)	(11.0)
Total comprehensive income	$ 136.6	$ 302.2	$ 318.6	$ 639.4

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Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Oct. 01, 2015
Statement of Comprehensive Income [Abstract]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	(0.2)	0.0	(0.6)	0.0
Unrealized exchange (loss) on intercompany loan, tax	$ 0.3	$ 0.4	$ 1.4	$ 0.4

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Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 29, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 670.4	$ 957.3
Accounts receivable, net	748.6	537.0
Inventory, net	1,488.1	1,774.4
Other current assets	25.1	30.4
Total current assets	2,932.2	3,299.1
Property, plant and equipment, net	1,934.7	1,950.7
Pension assets	256.1	246.9
Other assets	238.2	267.8
Total assets	5,361.2	5,764.5
Current liabilities
Accounts payable	591.8	618.2
Accrued expenses	227.0	230.2
Profit sharing	64.0	61.6
Current portion of long-term debt	34.2	34.9
Advance payments, short-term	201.4	178.3
Deferred revenue and other deferred credits, short-term	311.5	285.5
Deferred grant income liability - current	13.8	11.9
Other current liabilities	84.6	37.7
Total current liabilities	1,528.3	1,458.3
Liabilities Noncurrent
Long-term debt	1,071.1	1,085.3
Advance payments, long-term	382.5	507.4
Pension/OPEB obligation	71.6	67.7
Deferred grant income liability - non-current	68.5	82.3
Deferred revenue and other deferred credits	167.3	170.0
Other liabilities	262.6	273.5
Stockholders' Equity Attributable to Parent [Abstract]
Preferred stock, par value $0.01, 10,000,000 shares authorized, no shares issued	0.0	0.0
Additional Paid in Capital [Abstract]
Additional paid-in capital	1,072.1	1,051.6
AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract
Accumulated other comprehensive loss	(203.4)	(160.5)
Retained Earnings Accumulated Deficit [Abstract]
Retained earnings	2,017.7	1,656.2
Treasury Stock, Value	1,078.8	429.2
Total shareholders’ equity	1,808.8	2,119.5
Noncontrolling interest	0.5	0.5
Total equity	1,809.3	2,120.0
Total liabilities and equity	5,361.2	5,764.5
Class A [Member]
Stockholders' Equity Attributable to Parent [Abstract]
Common stock	1.2	1.4
Class B [Member]
Stockholders' Equity Attributable to Parent [Abstract]
Common stock	$ 0.0	$ 0.0

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Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Sep. 29, 2016	Dec. 31, 2015
Shareholders' equity
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Treasury Stock, Shares	23,936,092	9,691,865
Class A [Member]
Shareholders' equity
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	121,660,191	135,617,589
Class B [Member]
Shareholders' equity
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	121	121

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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015
Operating activities
Net income	$ 361.5	$ 650.4
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation expense	149.1	133.4
Amortization expense	0.2	0.6
Amortization of deferred financing fees	18.5	6.0
Accretion of customer supply agreement	3.5	1.6
Employee stock compensation expense	35.7	19.0
Excess tax benefit of share-based payment arrangements	0.1	(10.7)
Loss from hedge contracts	0.0	1.6
Loss from foreign currency transactions	15.9	6.3
Gain (Loss) on Disposition of Property Plant Equipment	(0.5)	3.0
Deferred taxes	34.7	(200.7)
Increase (Decrease) in Pension and Postretirement Obligations	(5.0)	(19.7)
Grant liability amortization	(8.6)	(7.5)
Equity in net income of affiliate	(1.3)	(0.9)
Changes in assets and liabilities
Accounts receivable	(220.8)	24.4
Inventory, net	257.3	(53.9)
Accounts payable and accrued liabilities	(18.6)	11.2
Profit sharing/deferred compensation	2.8	(48.8)
Advance payments	(101.8)	(75.0)
Income taxes receivable/payable	1.3	179.6
Deferred revenue and other deferred credits	26.0	290.3
Other	24.4	59.2
Net cash provided by operating activities	574.4	969.4
Investing activities
Purchase of property, plant and equipment	(156.8)	(216.5)
Proceeds from Sale of Other Assets, Investing Activities	0.6	1.8
Net cash used in investing activities	(156.2)	(214.7)
Financing activities
Proceeds from Issuance of Long-term Debt	0.0	535.0
Proceeds from Issuance of Senior Long-term Debt	299.8	0.0
Principal payments of debt	(16.7)	(29.2)
Repayments of Debt	0.0	(534.9)
Repayments of Senior Debt	(300.0)	0.0
Payments Related to Tax Withholding for Share-based Compensation	(15.2)	(20.7)
Excess tax benefit of share-based payment arrangements	(0.1)	10.7
Debt issuance and financing costs	(17.2)	(4.7)
Payments for Repurchase of Common Stock	(649.6)	(45.9)
Proceeds from (Repayments of) Restricted Cash, Financing Activities	0.0
Net cash used in financing activities	(699.0)	(89.7)
Effect of exchange rate changes on cash and cash equivalents	(6.1)	(0.2)
Net (decrease) increase in cash and cash equivalents for the period	(286.9)	664.8
Cash and cash equivalents, beginning of period	957.3	377.9
Cash and cash equivalents, end of period	$ 670.4	$ 1,042.7

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Organization and Basis of Interim Presentation

9 Months Ended

Sep. 29, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization and Basis of Interim Presentation

Organization and Basis of Interim Presentation

Spirit AeroSystems Holdings, Inc. ("Holdings" or the "Company") was incorporated in the state of Delaware on February 7, 2005, and commenced operations on June 17, 2005 through the acquisition of Boeing's operations in Wichita, Kansas; Tulsa, Oklahoma; and McAlester, Oklahoma (the "Boeing Acquisition") by an investor group led by Onex Partners LP and Onex Corporation (together with its affiliates, "Onex"). In August 2014, Onex sold its remaining investment in the Company in a secondary offering of the Company's class A common stock. Holdings provides manufacturing and design expertise in a wide range of fuselage, propulsion and wing products and services for aircraft original equipment manufacturers ("OEM") and operators through its subsidiary, Spirit AeroSystems, Inc. ("Spirit"). The Company has its headquarters in Wichita, Kansas, with manufacturing facilities in Tulsa and McAlester, Oklahoma; Prestwick, Scotland; Wichita, Kansas; Kinston, North Carolina; and Subang, Malaysia. The Company has an assembly facility in Saint-Nazaire, France.

The Company is the majority participant in the Kansas Industrial Energy Supply Company ("KIESC"), a tenancy-in-common with other Wichita companies established to purchase natural gas.

The Company participates in a joint venture, Taikoo Spirit AeroSystems Composite Co. Ltd. ("TSACCL"), of which Spirit's ownership interest is 31.5%. TSACCL was formed to develop and implement a state of the art composite and metal bond component repair station in the Asia-Pacific region.

The accompanying unaudited interim condensed consolidated financial statements include the Company’s financial statements and the financial statements of its majority-owned or controlled subsidiaries and have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and the instructions to Form 10-Q and Article 10 of Regulation S-X.  The Company's fiscal quarters are 13 weeks in length. Because the Company's fiscal year ends on December 31, the number of days in the Company's first and fourth quarters varies slightly from year to year. The year-end condensed balance sheet was derived from audited financial statements, but does not include all disclosures required by GAAP.  The Company's investment in TSACCL, in which the Company does not have a controlling interest, is accounted for under the equity method.  KIESC is fully consolidated as the Company owns 77.8% of the entity’s equity.  All intercompany balances and transactions have been eliminated in consolidation. The Company’s U.K. subsidiary uses local currency, the British pound, as its functional currency; the Malaysian subsidiary uses the British pound and the Singapore subsidiary uses the Singapore dollar.  All other foreign subsidiaries and branches use the U.S. dollar as their functional currency.

As part of the monthly consolidation process, the Company's international entities that have functional currencies other than the U.S. dollar are translated to U.S. dollars using the end-of-month translation rate for balance sheet accounts and average period currency translation rates for revenue and income accounts.

In the opinion of management, the accompanying unaudited interim condensed consolidated financial statements contain all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation of the results of operations for the interim periods. The results of operations for the nine months ended September 29, 2016 are not necessarily indicative of the results that may be expected for the year ending December 31, 2016. Certain reclassifications have been made to the prior year financial statements and notes to conform to the 2016 presentation.

In connection with the preparation of the condensed consolidated financial statements, the Company evaluated subsequent events through the date the financial statements were issued. The interim financial statements should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included in the Company's 2015 Annual Report on Form 10-K filed with the Securities and Exchange Commission (the “SEC”) on February 12, 2016 (the "2015 Form 10-K").

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Changes in Estimates

9 Months Ended

Sep. 29, 2016

Changes in Estimates [Abstract]

Change In Estimate [Text Block]

3.  Changes in Estimates

The Company has a Company-wide quarterly Estimate at Completion (EAC) process in which management assesses the progress and performance of the Company's contracts. This process requires management to review each program’s progress towards completion by evaluating the program schedule, changes to identified risks and opportunities, changes to estimated contract revenues and estimated contract costs over the current contract block and any outstanding contract matters. Risks and opportunities include management's judgment about the cost associated with a program’s ability to achieve the schedule, technical requirements (e.g., a newly-developed product versus a mature product) and any other contract requirements. The majority of the Company's fixed priced contracts are life of aircraft program contracts. Due to the span of years it may take to complete a contract block and the scope and nature of the work required to be performed on those contracts, the estimation of total revenue and costs at completion is complicated and subject to many variables and, accordingly, is subject to change. When adjustments in estimated total contract block revenue or estimated total cost are required, any changes from prior estimates for delivered units are recognized in the current period as a cumulative catch-up adjustment for the inception-to-date effect of such changes. Cumulative catch-up adjustments are driven by several factors including improved production efficiencies, assumed rate of production, the rate of overhead absorption, changes to scope of work and contract modifications. When estimates of total costs to be incurred on a contract block exceed estimates of total revenue to be earned, a provision for the entire loss on the contract block is recorded in the period in which the loss is determined. Changes in estimates are summarized below:

	For the Three Months Ended					For the Nine Months Ended
Changes in Estimates	September 29, 2016			October 1, 2015		September 29, 2016			October 1, 2015
Cumulative Catch-up Adjustment by Segment
Fuselage	$	(1.9	)	$	7.8	$	15.1		$	15.4
Propulsion	(1.6		)	8.4		(1.8		)	19.8
Wing	(0.8		)	2.8		18.7			1.2
Total Favorable (Unfavorable) Cumulative Catch-up Adjustment	$	(4.3	)	$	19.0	$	32.0		$	36.4
Changes in Estimates on Loss Programs (Forward Loss)
Fuselage
Boeing - All other platforms	$	(1.6	)	$	—	$	2.4		$	6.4
Airbus A350 XWB	—			—		(135.7		)	—
Other Platforms	—			—		0.3			—
Total Fuselage (Forward Loss) Change in Estimate on Loss Programs	$	(1.6	)	$	—	$	(133.0	)	$	6.4
Propulsion
Boeing - All other platforms	$	(0.5	)	$	—	$	2.6		$	(1.3	)
Rolls-Royce BR725	—			—		3.4			—
Total Propulsion (Forward Loss) Change in Estimate on Loss Programs	$	(0.5	)	$	—	$	6.0		$	(1.3	)
Wing
Boeing - All other platforms	$	(0.6	)	$	—	$	3.6		$	—
Airbus A350 XWB	1.5			—		1.5			—
Total Wing Change in Estimate on Loss Programs	$	0.9		$	—	$	5.1		$	—
Total (Forward Loss) Change in Estimate on Loss Programs	$	(1.2	)	$	—	$	(121.9	)	$	5.1
Total Change in Estimate	$	(5.5	)	$	19.0	$	(89.9	)	$	41.5
EPS Impact (diluted per share based upon statutory rates)	$	(0.03	)	$	0.09	$	(0.44	)	$	0.19

Airbus A350 XWB

During the second quarter of 2016, Spirit signed a memorandum of agreement with Airbus (the "Airbus 2016 MOA") which, in part, materially reset the pricing for 800 units on the A350 XWB Fuselage and Wing requirements contracts. The Airbus 2016 MOA was negotiated to economically compensate Spirit for significant engineering changes to aircraft design. The new pricing provided the Company with a higher degree of certainty of revenue that will be realized over the 800 unit contracts. Further, the Company analyzed A350 XWB market demand using third party publications as well as Airbus firm orders which indicated that the sustained demand for the A350 XWB program was in excess of 800 units. The Company determined that due to the higher degree of precision of the A350 XWB revenue along with the strong, sustained market demand, it was appropriate to extend the accounting block quantity to 800 units in the second quarter of 2016. The contract block quantity change was made in accordance with applicable accounting guidance as well as the Company’s accounting policies and past practices. As a result of the Airbus 2016 MOA, the Company updated its estimated revenues that will be realized over the 800 unit A350 XWB Fuselage and Wing contract accounting blocks.

While the Company continued to make progress on the A350 XWB Fuselage program the Company experienced various disruption and production inefficiencies that exceeded estimates made in previous quarters primarily related to achieving production rate increases. As a result of these disruptions and inefficiencies, cost estimates were updated in the second quarter of 2016 to account for increased labor costs in fabrication and assembly and expedited shipping costs to meet current and future customer production rate increases. The Company also updated its estimates in the second quarter of 2016 due to uncertainty of supply chain cost reductions and achievement of cost affordability projects.

For the nine months ended September 29, 2016, the changes in revenue and cost estimates during the second quarter of 2016 (as described above) resulted in a net forward loss charge of $135.7 and a net $8.2 favorable cumulative catch-up adjustment on the A350 XWB program. The Company could record additional forward loss charges if there are further changes to revenue and cost estimates and/or if risks are not mitigated.

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Accounts Receivable, net

9 Months Ended

Sep. 29, 2016

Accounts Receivable, Net, Current [Abstract]

Accounts Receivable, net

Accounts Receivable, net

Accounts receivable, net consists of the following:

	September 29, 2016			December 31, 2015
Trade receivables	$	720.1		$	524.3
Other	33.7			18.8
Less: allowance for doubtful accounts	(5.2		)	(6.1		)
Accounts receivable, net	$	748.6		$	537.0

Accounts receivable, net includes unbilled receivables on long-term aerospace contracts, comprised principally of revenue recognized on contracts for which amounts were earned but not contractually billable as of the balance sheet date, or amounts earned for which the recovery will occur over the term of the contract, which could exceed one year.

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Inventory

9 Months Ended

Sep. 29, 2016

Inventory Disclosure [Abstract]

Inventory

Inventory

Inventories are summarized as follows:

	September 29, 2016			December 31, 2015
Raw materials	$	266.6		$	253.8
Work-in-process	736.9			854.4
Finished goods	35.2			65.7
Product inventory	1,038.7			1,173.9
Capitalized pre-production	109.8			167.8
Deferred production	747.6			1,315.4
Forward loss provision	(408.0		)	(882.7		)
Total inventory, net	$	1,488.1		$	1,774.4

Capitalized pre-production costs include certain contract costs, including applicable overhead, incurred before a product is manufactured on a recurring basis. Significant statement of work changes considered not reimbursable by the customer can also cause pre-production costs to be incurred. These costs are typically amortized over a certain number of shipset deliveries. Capitalized pre-production may be amortized over multiple blocks. See contract block and orders table noted below.

Deferred production includes costs for the excess of production costs over the estimated average cost per shipset, and credit balances for favorable variances on contracts between actual costs incurred and the estimated average cost per shipset for units delivered under the current production blocks. Recovery of excess-over-average deferred production costs is dependent on the number of shipsets ultimately sold and the ultimate selling prices and lower production costs associated with future production under these contract blocks. The Company believes these amounts, net of forward loss provisions, will be fully recovered over the contract block quantities noted in the contract block and orders table below. Should orders not materialize in future periods to fulfill the block, potential forward loss charges may be necessary to the extent the final delivered quantity does not absorb deferred inventory costs. Sales significantly under estimates or costs significantly over estimates could result in losses on these contracts in future periods.

Capitalized pre-production and deferred production inventories are at risk to the extent that the Company does not achieve the orders in the forecasted blocks or if future actual costs exceed current projected estimates, as those categories of inventory are recoverable over future deliveries.

Forward loss provisions on contract blocks are recorded in the period in which they become evident and included in inventory with any remaining amount reflected in accrued contract liabilities.

Non-recurring production costs include design and engineering costs and test articles.

Inventories for contract blocks that have not closed are summarized by platform and costs below:

	September 29, 2016
	Product Inventory
	Inventory		Non-Recurring		Capitalized Pre- Production		Deferred Production			Forward Loss Provision			Total Inventory, net September 29, 2016
Boeing - All platforms	691.7		28.0		4.9		(37.2		)	(19.1		)	668.3
A350 XWB	158.2		33.2		86.6		678.0			(247.8		)	708.2
Airbus - All other platforms	92.3		—		—		(9.8		)	—			82.5
Rolls-Royce BR725(1)	13.7		—		18.3		108.9			(140.9		)	—
Other platforms	16.2		5.4		—		7.7			(0.2		)	29.1
Total	$	972.1	$	66.6	$	109.8	$	747.6		$	(408.0	)	$	1,488.1

	December 31, 2015
	Product Inventory
	Inventory		Non-Recurring		Capitalized Pre- Production		Deferred Production		Forward Loss Provision			Total Inventory, net December 31, 2015
Boeing - All platforms(2)	714.6		32.8		47.7		525.7		(634.8		)	686.0
A350 XWB	148.7		35.3		94.2		679.4		(113.8		)	843.8
Airbus - All other platforms	90.8		—		—		9.2		—			100.0
Rolls-Royce BR725(1)	12.5		—		25.9		95.7		(134.1		)	—
Other platforms	134.3		4.9		—		5.4		—			144.6
Total	$	1,100.9	$	73.0	$	167.8	$	1,315.4	$	(882.7	)	$	1,774.4

(1) Forward loss charges recorded in prior periods on the Rolls-Royce BR725 program exceeded the total inventory balance. The excess of the charge over program inventory is classified as a contract liability and reported in other current liabilities on the Condensed Consolidated Balance Sheet.  The total contract liability was $1.9 and $12.2 as of September 29, 2016 and December 31, 2015, respectively.

(2) Includes $558.5 and ($606.0) of Deferred Production and Forward Loss Provision, respectively, on the B787 program as of December 31, 2015. The first contract block on the B787 program was closed as of September 29, 2016.

Significant amortization of capitalized pre-production and deferred production inventory has occurred over the following contract block deliveries and will continue to occur over the following contract blocks:

Model	Current Block Deliveries	Contract Block Quantity	Orders(1)
A350 XWB	114	800	769
Rolls-Royce BR725	238	350	320

(1) Order amount for Airbus obtained from the published firm-order backlog and exclude Airbus delivered units. For Rolls-Royce BR725, orders represent purchase orders received from OEMs and are not reflective of OEM sales backlog.

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Property, Plant and Equipment

9 Months Ended

Sep. 29, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment, net

Property, Plant and Equipment, net

Property, plant and equipment, net consists of the following: 

	September 29, 2016			December 31, 2015
Land	$	15.0		$	16.5
Buildings (including improvements)	629.1			585.4
Machinery and equipment	1,314.5			1,210.6
Tooling	972.7			927.2
Capitalized software	239.7			219.7
Construction-in-progress	185.5			278.6
Total	3,356.5			3,238.0
Less: accumulated depreciation	(1,421.8		)	(1,287.3		)
Property, plant and equipment, net	$	1,934.7		$	1,950.7

Repair and maintenance costs are expensed as incurred. The Company recognized repair and maintenance costs of $31.2 and $33.6 for the three months ended September 29, 2016 and October 1, 2015, respectively, and $85.5 and $96.6 for the nine months ended September 29, 2016 and October 1, 2015, respectively.

The Company capitalizes certain costs, such as software coding, installation and testing, that are incurred to purchase or to create and implement internal-use computer software.  Depreciation expense related to capitalized software was $4.5 and $4.2 for the three months ended September 29, 2016 and October 1, 2015, respectively, and $13.4 and $12.7 for the nine months ended September 29, 2016 and October 1, 2015, respectively.

The Company reviews capital and amortizing intangible assets (long-lived assets) for impairment on an annual basis or whenever events or changes in circumstances indicate that the carrying amount may not be recoverable.  The Company evaluated its long-lived assets at its locations and determined no impairment was necessary for the period ended September 29, 2016.

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Other Assets

9 Months Ended

Sep. 29, 2016

Other Assets, Noncurrent [Abstract]

Other Assets

Other Assets

Other assets are summarized as follows:

	September 29, 2016			December 31, 2015
Intangible assets
Patents	$	1.9		$	1.9
Favorable leasehold interests	6.3			6.3
Total intangible assets	8.2			8.2
Less: Accumulated amortization - patents	(1.7		)	(1.6		)
Accumulated amortization - favorable leasehold interest	(4.1		)	(3.8		)
Intangible assets, net	2.4			2.8
Deferred financing
Deferred financing costs	38.5			36.8
Less: Accumulated amortization - deferred financing costs	(31.8		)	(30.3		)
Deferred financing costs, net (1)	6.7			6.5
Other
Goodwill - Europe	2.4			2.7
Equity in net assets of affiliates	4.5			3.2
Supply agreements(2)	19.6			29.3
Restricted Cash - collateral requirements	19.9			19.9
Deferred Tax Asset - non-current	133.2			162.8
Other	49.5			40.6
Total	$	238.2		$	267.8

(1) In accordance with ASU 2015-03, includes a retrospective reclassification for the period ended December 31, 2015 of $13.0 net deferred financing costs to a direct deduction from the carrying amount of the related debt liability, See Note 12, "Debt" for further detail.

(2) Under agreements with customers and a supplier, certain payments accounted for as consideration paid by the Company to a customer and supplier are being amortized as a reduction to net revenues.

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Advance Payments and Deferred Revenue/Credits

9 Months Ended

Sep. 29, 2016

Advance Payments And Deferred Revenue Credits [Abstract]

Advance Payments And Deferred Revenue Credits

Advance Payments and Deferred Revenue/Credits

Advance payments. Advance payments are those payments made to Spirit by customers in contemplation of the future performance of services, receipt of goods, incurrence of expenditures or for other assets to be provided by Spirit under a contract and are repayable if such obligation is not satisfied. The amount of advance payments to be recovered against production units expected to be delivered within a year is classified as a short-term liability on the Company's consolidated balance sheet, with the balance of the unliquidated advance payments classified as a long-term liability.

On April 8, 2014, the Company signed a memorandum of agreement with Boeing which suspended advance repayments related to the B787 program for a period of twelve months beginning April 1, 2014. Repayment recommenced on April 1, 2015 and any repayments which otherwise would have become due during such twelve-month period will be offset against the purchase price for shipsets 1,001 through 1,120.

Deferred revenue/credits. Deferred revenue/credits generally consist of nonrefundable amounts received in advance of revenue being earned for specific contractual deliverables or amounts that could be required to be refunded if certain performance obligations or conditions are not met. These payments are classified as deferred revenue/credits on the Company's Condensed Consolidated Balance Sheet when received and recognized as revenue as the production units are delivered or performance obligations or conditions are met.

In November 2014, Spirit and Boeing entered into a Memorandum of Agreement (the “November 2014 MOA”). As part of the November 2014 MOA, Boeing and Spirit established interim prices for certain B787 shipsets, and the parties agreed to negotiate future rate increases, recurring prices and other issues across multiple programs during 2015. Since the Company was unable to reach agreement with Boeing on these issues by the end of 2015, once the parties agree upon appropriate pricing for the B787-9, Boeing will be entitled to a retroactive adjustment on certain B787 payments which were based on the interim pricing. The amount Spirit received that is subject to a retroactive adjustment was recorded as deferred revenue, and has not been recognized by the Company as revenue. The Company is engaged in discussions with Boeing concerning how to determine the subsequent B787-9 and initial B787-10 prices, and the parties have not yet reached agreement.

Advance payments and deferred revenue/credits are summarized by platform as follows:

	September 29, 2016		December 31, 2015
B787	$	867.4	$	909.3
Boeing - All other platforms	17.6		13.8
A350 XWB	145.1		183.5
Airbus — All other platforms	2.5		4.0
Other	30.1		30.6
Total advance payments and deferred revenue/credits	$	1,062.7	$	1,141.2

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Government Grants

9 Months Ended

Sep. 29, 2016

Government Grants [Abstract]

Government Grants

Government Grants

The Company received grants in the form of government funding for a portion of the site construction and other specific capital asset costs at the Company's Kinston, North Carolina and Subang, Malaysia sites. Deferred grant income is being amortized as a reduction to production cost. This amortization is based on specific terms associated with the different grants. In North Carolina, the deferred grant income related to the capital investment criteria, which represents half of the grant, is being amortized over the lives of the assets purchased to satisfy the capital investment performance criteria. The other half of the deferred grant income is being amortized over a ten-year period, which began in 2010, in a manner consistent with the job performance criteria. Under the agreement, failure by Spirit to meet job performance criteria, including creation of a targeted number of jobs, could result in Spirit being obligated to make incremental rent payments to the North Carolina Global TransPark Authority over the initial term of the lease. The amount of the incremental rent payments would vary depending on Spirit’s level of attainment of the specified requirements not to exceed a certain dollar threshold. In Malaysia, the deferred grant income is being amortized based on the estimated lives of the eligible assets constructed with the grant funds as there are no performance criteria. The assets related to deferred grant income are consolidated within property, plant and equipment.

Deferred grant income liability, net consists of the following:

Balance, December 31, 2015	$	94.2
Grant liability amortized	(8.6		)
Exchange rate	(3.3		)
Total deferred grant income liability, September 29, 2016	$	82.3

The assets related to the deferred grant income consist of the following:

Balance, December 31, 2015	$	106.6
Amortization	(3.7		)
Exchange rate	(3.3		)
Total asset value related to deferred grant income, September 29, 2016	$	99.6

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Fair Value Measurements

9 Months Ended

Sep. 29, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

FASB’s authoritative guidance on fair value measurements defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. It also establishes a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The guidance discloses three levels of inputs that may be used to measure fair value:

Level 1 Quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 1 assets and liabilities include debt and equity securities and derivative contracts that are traded in an active exchange market.

Level 2 Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Level 2 assets and liabilities include debt securities with quoted prices that are traded less frequently than exchange-traded instruments and derivative contracts whose value is determined using a pricing model with inputs that are observable in the market or can be derived principally from or corroborated by observable market data. Observable inputs, such as current and forward interest rates and foreign exchange rates, are used in determining the fair value of the interest rate swaps and foreign currency hedge contracts.

Level 3 Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of assets and liabilities. Level 3 assets and liabilities include financial instruments whose value is determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.

	Fair Value Measurements
	December 31, 2015						At December 31, 2015 using
Description	Total Carrying Amount in Balance Sheet		Assets Measured at Fair Value		Liabilities Measured at Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Money Market Fund	$	90.2	$	90.2	$	—	$	90.2	$	—	$	—

At September 29, 2016, the Company did not hold any cash within money market funds.

The Company’s long-term debt includes a senior unsecured term loan, senior unsecured notes and the Malaysian term loan.  The estimated fair value of the Company's debt obligations is based on the quoted market prices for such obligations or the historical default rate for debt with similar credit ratings. The following table presents the carrying amount and estimated fair value of long-term debt:

	September 29, 2016					December 31, 2015
	Carrying Amount		Fair Value			Carrying Amount		Fair Value
Senior unsecured term loan A (including current portion)	$	497.5	$	494.4	(2)	$	505.8	$	501.6	(2)
Senior unsecured notes due 2020	—		—		(1)	296.3		310.5		(1)
Senior unsecured notes due 2022	293.5		308.6		(1)	292.7		304.8		(1)
Senior unsecured notes due 2026	296.9		309.7		(1)	—		—		(1)
Malaysian loan	1.7		1.5		(2)	3.2		2.8		(2)
Total	$	1,089.6	$	1,114.2		$	1,098.0	$	1,119.7

(1) Level 1 Fair Value hierarchy

(2) Level 2 Fair Value hierarchy

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Derivative and Hedging Activities

9 Months Ended

Sep. 29, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative and Hedging Activities

Derivative and Hedging Activities

The Company has historically entered into interest rate swap agreements to reduce its exposure to the variable rate portion of its long-term debt. On the inception date, the Company designates a derivative contract as either a fair value or cash flow hedge and links the contract to either a specific asset or liability on the balance sheet, or to forecasted commitments or transactions. The Company assesses, both at the hedges' inception and on a quarterly basis, whether the derivative item is effective in offsetting changes in fair value or cash flows. Any gains or losses on hedges are included in earnings when the underlying transaction that was hedged occurs. The Company also considers counterparty credit risk and its own credit risk in its determination of all estimated fair values.

The Company has historically entered into derivative instruments covered by master netting arrangements whereby, in the event of a default as defined by the senior unsecured credit facility or termination event, the non-defaulting party has the right to offset any amounts payable against any obligation of the defaulting party under the same counterparty agreement. See Note 12, Debt for discussion of the Company's senior unsecured credit facilities.

Interest Rate Swaps

During the first quarter of 2015, as a result of Amendment No. 5 to its Credit Agreement, the Company unwound its interest rate swap agreements which had a notional amount of $250.0. The company recognized a loss of $0.4 as a result of unwinding these interest rate swaps. This loss on derivatives not designated as hedging instruments is included in Other Expense on the Consolidated Statement of Operations for the nine months ended October 1, 2015. In total, the Company paid $2.0 as a result of the settlement of the interest rate swap agreements.

As of September 29, 2016 and December 31, 2015, the Company had no outstanding interest rate swap agreements.

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Debt

9 Months Ended

Sep. 29, 2016

Debt Disclosure [Abstract]

Debt

Debt

Total debt shown on the balance sheet is comprised of the following: 

	September 29, 2016				December 31, 2015
	Current		Noncurrent		Current(1)		Noncurrent(1)
Senior unsecured term loan A	$	24.9	$	472.6	$	26.1	$	479.7
Senior notes due 2020	—		—		—		296.3
Senior notes due 2022	—		293.5		—		292.7
Senior notes due 2026	—		296.9		—		—
Malaysian term loan	1.7		—		2.1		1.1
Present value of capital lease obligations	0.6		8.1		0.6		8.5
Other	7.0		—		6.1		7.0
Total	$	34.2	$	1,071.1	$	34.9	$	1,085.3

(1) In connection with the Company's adoption of ASU No. 2015-03 relating to the presentation of debt issuance costs, debt balances at December 31, 2015 include unamortized debt issuance costs of $13.0. These unamortized debt issuance costs were previously included in other long-term assets in the Company's Condensed Consolidated Balance Sheet at December 31, 2015.

Senior Unsecured Credit Facilities

On June 6, 2016, Spirit and the Company entered into the senior unsecured Amended and Restated Credit Agreement, among Spirit, as borrower, the Company, as parent guarantor, the lenders party thereto, Bank of America, N.A., as administrative agent, and the other agents named therein (the "A&R Credit Agreement"). The A&R Credit Agreement refinanced and replaced the Credit Agreement, dated as of April 18, 2012, as amended by Amendment No. 1, dated as of October 26, 2012, Amendment No. 2, dated as of August 2, 2013, Amendment No. 3, dated as of March 18, 2014, Amendment No. 4, dated as of June 3, 2014 and Amendment No. 5 dated as of March 18, 2015 (the “Prior Credit Agreement”). Certain terms of the A&R Credit Agreement were available to Spirit based on increases to Spirit's senior unsecured debt rating provided by Standard & Poor’s Financial Services LLC (“S&P”) and/or Moody’s Investors Service, Inc. (“Moody’s”). The A&R Credit Agreement provides for a $650.0 revolving credit facility (the “Revolver”) and a $500.0 term loan A facility (the “Term Loan”). Each of the Revolver and the Term Loan has a maturity date of June 4, 2021, and each bears interest, at Spirit’s option, at either LIBOR plus 1.5% or a defined “base rate” plus 0.50%, subject to adjustment to amounts between and including LIBOR plus 1.125% and LIBOR plus 2.0% (or amounts between and including base rate plus 0.125% and base rate plus 1.0%, as applicable) based on changes to Spirit’s senior unsecured debt rating provided by S&P and/or Moody’s. The principal obligations under the Term Loan are to be repaid in equal quarterly installments of $6.25, with the remaining balance due at maturity of the Term Loan. The A&R Credit Agreement removes many of the prepayment requirements contained in the Prior Credit Agreement. The covenant structure was amended and provides the Company with some additional flexibility with respect to certain activities which were previously restricted by affirmative and negative covenants, though the A&R Credit Agreement does continue to contain customary affirmative and negative covenants available to investment grade companies, including certain financial covenants that are tested on a quarterly basis. The A&R Credit Agreement contains an accordion feature that provides Spirit with the option to increase the Revolver commitments and/or institute one or more additional term loans by an amount not to exceed $500.0 in the aggregate, subject to the satisfaction of certain conditions and the participation of the lenders. Spirit used the proceeds of the Term Loan, along with cash on hand, to pay off the outstanding amounts under the term loan A under the Prior Credit Agreement and to pay a portion of the fees and expenses payable in connection with the A&R Credit Agreement.

As of September 29, 2016, the outstanding balance of the Term Loan was $500.0 and the carrying value was $497.5. As a result of extinguishment and modification of the term loan A and the revolver under the Prior Credit Agreement which occurred during the second quarter of 2016, the Company recognized a loss on extinguishment of debt of $1.4 including third party fees of $0.4, all of which is reflected within amortization of deferred financing fees on the Condensed Consolidated Statement of Cash Flows for the nine months ended September 29, 2016. As a result of extinguishment of a term loan B under the Prior Credit Agreement during the first quarter of 2015, the Company recognized a loss on extinguishment of debt of $3.6. Of this total charge, $3.1 is reflected within amortization of deferred financing fees and $0.5 is reflected within amortization expense on the Condensed Consolidated Statement of Cash Flows for the nine months ended October 1, 2015.

Senior Notes

In November 2010, the Company issued $300.0 in aggregate principal amount of 6.75% Senior Notes due December 15, 2020 (the “2020 Notes”), with interest payable, in cash in arrears, on June 15 and December 15 of each year, beginning June 15, 2011. The 2020 Notes were fully and unconditionally guaranteed, jointly and severally, on a senior unsecured basis by the Company and Spirit’s existing and future domestic subsidiaries that guaranteed Spirit’s obligations under the Prior Credit Agreement. As more fully described below, as of July 1, 2016, the 2020 Notes were no longer outstanding.

In March 2014, the Company issued $300.0 in aggregate principal amount of 5.25% Senior Notes due March 15, 2022 (the "2022 Notes") with interest payable, in cash in arrears, on March 15 and September 15 of each year, beginning September 15, 2014. The 2022 Notes are unconditionally guaranteed, jointly and severally, on a senior unsecured basis, by the Company and its existing and future domestic subsidiaries, if any, that may guarantee Spirit's obligations under a senior credit facility. The carrying value of the 2022 Notes was $293.5 as of September 29, 2016.

On May 24, 2016 the Company commenced an offer to purchase for cash any and all of the $300.0 outstanding principal amount of its 2020 Notes (the “Tender Offer”). Under the terms of the Tender Offer, holders of 2020 Notes who validly tendered their notes at or prior to May 31, 2016 would receive, in whole dollars, $1,037.25 per $1,000 principal amount of the 2020 Notes tendered.

On June 1, 2016, in order to fund the Tender Offer or otherwise acquire, redeem or repurchase the 2020 Notes, the Company issued $300.0 in aggregate principal amount of 3.850% Senior Notes due June 15, 2026 (the "2026 Notes") with interest payable, in cash in arrears, on June 15 and December 15 of each year, beginning December 15, 2016. The indenture governing the 2026 Notes (the “2026 Notes Indenture”) requires that the 2026 Notes be guaranteed by the Company and each of Spirit’s existing and future domestic subsidiaries, if any, that may guarantee Spirit’s obligations under a senior credit facility. In addition, the 2026 Notes Indenture contains covenants that limit Spirit’s, the Company’s and certain of Spirit’s subsidiaries’ ability to create liens without granting equal and ratable liens to the holders of the 2026 Notes or to enter into sale and leaseback transactions. These covenants are subject to a number of qualifications and limitations. The 2026 Notes Indenture also provides for customary events of default. The carrying value of the 2026 Notes was $296.9 as of September 29, 2016.

On June 1, 2016, Spirit repurchased $213.6 aggregate principal amount of its 2020 Notes pursuant to the Tender Offer. Tender fees related to the early extinguishment of the 2020 Notes were $8.0, which are included within debt issuance cost on the Condensed Consolidated Statement of Cash Flows for the nine months ended September 29, 2016.

In addition, on June 1, 2016, Spirit called for redemption of the remaining $86.4 aggregate principal amount of 2020 Notes outstanding following completion of the Tender Offer. The redemption price of the 2020 Notes was 103.375% of the principal amount thereof, plus accrued and unpaid interest to, but not including, the redemption date of July 1, 2016. Following the redemption on July 1, 2016, none of the 2020 Notes remained outstanding.

As a result of the extinguishment of the 2020 Notes, the Company recognized a loss on extinguishment of the 2020 Notes of $11.5, all of which is reflected within amortization of deferred financing fees on the Condensed Consolidated Statement of Cash Flows for the nine months ended September 29, 2016.

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Pension and Other Post-Retirement Benefits

9 Months Ended

Sep. 29, 2016

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Pension and Other Post-Retirement Benefits

Pension and Other Post-Retirement Benefits

	Defined Benefit Plans
	For the Three Months Ended						For the Nine Months Ended
Components of Net Periodic Pension Expense/(Income)	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
Service cost	$	0.2		$	0.2		$	0.8		$	0.7
Interest cost	11.4			12.0			34.5			35.8
Expected return on plan assets	(19.7		)	(20.7		)	(59.0		)	(62.2		)
Amortization of net loss	1.6			0.8			4.0			2.7
Special termination benefits(1)	—			—			10.9			—
Net periodic pension income	$	(6.5	)	$	(7.7	)	$	(8.8	)	$	(23.0	)

(1) Special termination benefits related to early retirement incentives offered as part of a voluntary retirement plan in the first quarter of 2016.

	Other Benefits
	For the Three Months Ended					For the Nine Months Ended
Components of Other Benefit Expense	September 29, 2016			October 1, 2015		September 29, 2016			October 1, 2015
Service cost	$	0.5		$	0.6	$	1.4		$	1.7
Interest cost	0.5			0.5		1.6			1.6
Amortization of prior service cost	(0.2		)	—		(0.7		)	—
Special termination benefits(1)	—			—		3.1			—
Net periodic other benefit expense	$	0.8		$	1.1	$	5.4		$	3.3

(1) Special termination benefits related to early retirement incentives offered as part of a voluntary retirement plan in the first quarter of 2016.

Employer Contributions

The Company expects to contribute zero dollars to the U.S. qualified pension plan and a combined total of approximately $6.8 for the Supplemental Executive Retirement Plan (SERP) and post-retirement medical plans in 2016.  The Company's projected contributions to the U.K. pension plan for 2016 are zero. The entire amount contributed can vary based on exchange rate fluctuations.

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Stock Compensation

9 Months Ended

Sep. 29, 2016

Share-based Compensation [Abstract]

Stock Compensation

 Stock Compensation

Holdings has established various stock compensation plans which include restricted share grants and stock purchase plans. Compensation values are based on the value of Holdings' common stock at the grant date. The common stock value is added to equity and charged to period expense or included in inventory and cost of sales.

The Executive Incentive Plan, Short-Term Incentive Plan ("STIP"), Long-Term Incentive Plan ("LTIP") and Director Stock Plan (collectively referred to as "Prior Plans") were replaced by the Omnibus Incentive Plan (the "Omnibus Plan") in 2014. No new awards will be granted under such Prior Plans. Outstanding awards under the Prior Plans will continue to be governed by the terms of such plans until exercised, expired, or otherwise terminated or canceled.

The Omnibus Plan provides for a Long-Term Incentive Award ("LTIA") for the 2014 plan year and forward. The LTIAs provide both time and performance based incentives.

• 75% of the LTIA is service-based restricted stock that will vest in equal installments over a three-year period.

• 25% of the LTIA is market-based restricted stock that will vest on the three-year anniversary of the grant date contingent upon total shareholder return ("TSR") compared to the Company’s peers.

For the three months ended September 29, 2016 the Company recognized a net total of $6.3 of stock compensation expense, which is net of stock forfeitures and includes expense for the Prior Plans and the LTIA under the Omnibus Plan. For the three months ended October 1, 2015, the Company recognized $7.0 of stock compensation expense, net of forfeitures. The entire stock compensation expense of $6.3 and $7.0, for the three months ended September 29, 2016 and October 1, 2015, respectively, was recorded as selling, general and administrative.

For the nine months ended September 29, 2016 the Company recognized a net total of $35.2 of stock compensation expense, which is net of stock forfeitures and includes expense for the Prior Plans and the LTIA under the Omnibus Plan. For the nine months ended October 1, 2015, the Company recognized $19.0 of stock compensation expense, net of forfeitures. The entire stock compensation expense of $35.2 and $19.0, for the nine months ended September 29, 2016 and October 1, 2015, respectively, was recorded as selling, general and administrative. The increase in stock compensation expense during the nine months ended September 29, 2016 was primarily due to executive retirements during the second quarter of 2016.

During the three months ended September 29, 2016, 4,575 shares of class A common stock with an aggregate grant date fair value of $0.2 were granted under the service-based portion of the Company's LTIA. Additionally, 12,839 shares of class A common stock with an aggregate grant date fair value of $0.4 awarded under the Company's LTIP vested during the three months ended September 29, 2016.

For the nine months ended September 29, 2016, 623,620 shares of class A common stock with an aggregate grant date fair value of $27.4 were granted under the service-based portion of the Company's LTIA. In addition, 206,132 shares of class A common stock with an aggregate grant date fair value of $10.9 were granted under the market-based portion of the Company's LTIA. Additionally, 502,909 shares of class A common stock with an aggregate grant date fair value of $14.9 awarded under the Company's LTIP vested during the nine months ended September 29, 2016.

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Income Taxes

9 Months Ended

Sep. 29, 2016

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The process for calculating the Company's income tax expense involves estimating actual current taxes due plus assessing temporary differences arising from differing treatment for tax and accounting purposes that are recorded as deferred tax assets and liabilities. Deferred tax assets are periodically evaluated to determine their recoverability. The total net deferred tax asset at September 29, 2016 and December 31, 2015 was $118.4 and $149.7, respectively. The difference is primarily due to the utilization of deductible temporary differences within the calculation of taxable income across jurisdictions.

The Company files income tax returns in all jurisdictions in which it operates. The Company establishes reserves to provide for additional income taxes that may be due upon audit. These reserves are established based on management’s assessment as to the potential exposure attributable to permanent tax adjustments and associated interest. All tax reserves are analyzed quarterly and adjustments made as events occur that warrant modification.

In general, the Company records income tax expense each quarter based on its best estimate as to the full year’s effective tax rate. Certain items, however, are given discrete period treatment and the tax effects for such items are therefore reported in the quarter that an event arises. Events or items that may give rise to discrete recognition include excess tax benefits in respect to share-based compensation, finalizing amounts in income tax returns filed, finalizing audit examinations for open tax years and expiration of statutes of limitations and changes in tax law.

The 29.1% effective tax rate for the nine months ended September 29, 2016 differs from the (5.7%) effective tax rate for the same period of 2015 primarily due to U.S. net deferred tax asset valuation allowance decrease in 2015 and by the inclusion of the tax effects of excess tax benefits in respect of share-based compensation in the income tax provision.

As a result of the early adoption of ASU 2016-09, during the nine months ended September 29, 2016, excess tax benefits in respect of share-based compensation of $4.4 were reflected in the Consolidated Statements of Income as a component of the income tax provision and the Consolidated Statement of Cash Flows included a $4.4 increase to net cash provided by operating activities. Accounting guidance requires that this item is treated as a discrete adjustment to the Company's tax rate, which is reflected in the 29.1% effective tax rate for the nine months ended September 29, 2016.

The Company will continue to participate in the Internal Revenue Service’s Compliance Assurance Process (“CAP”) program for its 2015 and 2016 tax years. The CAP program’s objective is to resolve issues in a timely, contemporaneous manner and eliminate the need for a lengthy post-filing examination. The HM Revenue & Customs completed its examination of the Company's 2009-2011 U.K. income tax returns and the statute of limitations has lapsed on the 2013 tax return. The Directorate General of Public Finance is currently examining the Company's 2011-2013 France income tax returns. While a change could result from the ongoing examinations, the Company expects no material change in its recorded unrecognized tax benefit liability in the next 12 months.

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Equity

9 Months Ended

Sep. 29, 2016

Stockholders' Equity Note [Abstract]

Equity

Equity

Earnings per Share Calculation

Basic net income per share is computed using the weighted-average number of outstanding shares of common stock during the measurement period. Diluted net income per share is computed using the weighted-average number of outstanding shares of common stock and, when dilutive, potential outstanding shares of common stock during the measurement period.

 Subject to preferences that may apply to shares of preferred stock outstanding at the time, holders of the Company’s outstanding common stock are entitled to any dividend declared by the Board of Directors out of funds legally available for this purpose. The Company did not pay any cash dividends in the three months ended September 29, 2016. On November 1, 2016 the Company announced a $0.10 per share cash dividend on the outstanding common stock of the Company payable January 9, 2017 to shareholders of record at the close of business on December 19, 2016. The Company's future dividend policy will depend on the requirements of financing agreements to which the Company may be a party. Any future determination to pay dividends will be at the discretion of the Company's Board of Directors and will depend upon, among other factors, the Company's results of operations, financial condition, capital requirements and contractual restrictions. The Company accounts for treasury stock under the cost method and includes treasury stock as a component of shareholders' equity. As of September 29, 2016, no treasury shares have been reissued or retired.

The following table sets forth the computation of basic and diluted earnings per share:

	For the Three Months Ended
	September 29, 2016					October 1, 2015
	Income		Shares	Per Share Amount		Income		Shares	Per Share Amount
Basic EPS
Income available to common shareholders	$	144.9	124.4	$	1.16	$	313.3	139.3	$	2.25
Income allocated to participating securities	0.2		0.1			0.3		0.1
Net income	$	145.1				$	313.6
Diluted potential common shares			0.8					0.8
Diluted EPS
Net income	$	145.1	125.3	$	1.16	$	313.6	140.2	$	2.24

	For the Nine Months Ended
	September 29, 2016					October 1, 2015
	Income		Shares	Per Share Amount		Income		Shares	Per Share Amount
Basic EPS
Income available to common shareholders	$	361.2	128.2	$	2.82	$	649.8	139.1	$	4.67
Income allocated to participating securities	0.3		0.1			0.6		0.2
Net income	$	361.5				$	650.4
Diluted potential common shares			0.7					0.8
Diluted EPS
Net income	$	361.5	129.0	$	2.80	$	650.4	140.1	$	4.64

The balance of outstanding common shares presented in the Condensed Consolidated Balance Sheets was 121.7 million and 141.2 million at September 29, 2016 and October 1, 2015, respectively. Included in the outstanding common shares were 1.6 million and 1.8 million of issued but unvested shares at September 29, 2016 and October 1, 2015, respectively, which are excluded from the basic EPS calculation.

Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss is summarized by component as follows:

	As of			As of
	September 29, 2016			December 31, 2015
Pension	$	(119.7	)	$	(121.5	)
Interest rate swaps	—			(0.4		)
SERP/Retiree medical	5.9			6.1
Foreign currency impact on long term intercompany loan	(14.7		)	(9.2		)
Currency translation adjustment	(74.9		)	(35.5		)
Total accumulated other comprehensive loss	$	(203.4	)	$	(160.5	)

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Related Party Transactions

9 Months Ended

Sep. 29, 2016

Related Party Transaction, Due from (to) Related Party [Abstract]

Related Party Transactions

Related Party Transactions

In December 2014, Onex acquired approximately a 40% interest in Advanced Integration Technologies (“AIT”), a provider of automation and tooling, maintenance services and aircraft components to the aerospace industry and a supplier to the Company. For the three months ended September 29, 2016 and October 1, 2015, sales from AIT to the Company and its subsidiaries were $3.8 and $2.1, respectively. For the nine months ended September 29, 2016 and October 1, 2015, sales from AIT to the Company and its subsidiaries were $10.9 and $12.5, respectively. The amounts owed to AIT and recorded as accrued liabilities were $1.3 and $4.0 as of September 29, 2016 and December 31, 2015, respectively. Tawfiq Popatia, a former director of Spirit Holdings, is a Managing Director of Onex Corporation.

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Commitments, Contingencies and Guarantees

9 Months Ended

Sep. 29, 2016

Commitments Contingencies And Guarantees [Abstract]

Commitments, Contingencies and Guarantees

Commitments, Contingencies and Guarantees

Litigation

From time to time the Company is subject to, and is presently involved in, litigation or other legal proceedings arising in the ordinary course of business. While the final outcome of these matters cannot be predicted with certainty, considering, among other things, the meritorious legal defenses available, it is the opinion of the Company that none of these items, when finally resolved, will have a material adverse effect on the Company’s long-term financial position or liquidity. The Company had outstanding obligations in respect of litigation or other legal proceedings of $25.0 as of both September 29, 2016 and December 31, 2015. However, an unexpected adverse resolution of one or more of these items could have a material adverse effect on the results of operations and cash flows in a particular quarter or fiscal year.

From time to time, in the ordinary course of business and similar to others in the industry, we receive requests for information from government agencies in connection with their regulatory or investigational authority. Such requests can include subpoenas or demand letters for documents to assist the government in audits or investigations. We review such requests and notices and take appropriate action. We have been subject to certain requests for information and investigations in the past and could be subject to such requests for information and investigations in the future. Additionally, we are subject to federal and state requirements for protection of the environment, including those for disposal of hazardous waste and remediation of contaminated sites. As a result, we are required to participate in certain government investigations regarding environmental remediation actions.

On December 5, 2014, Boeing filed a complaint in Delaware Superior Court, Complex Commercial Litigation Division, entitled The Boeing Co. v. Spirit AeroSystems, Inc., No. N14C-12-055 (EMD). Boeing seeks indemnification from Spirit for (a) damages assessed against Boeing in International Union, United Automobile, Aerospace and Agricultural Workers of America v. Boeing Co., AAA Case No. 54 300 00795 07 (the “UAW Arbitration”), which was brought on behalf of certain former Boeing employees in Tulsa and McAlester, Oklahoma, and (b) claims that Boeing allegedly settled in Society of Professional Engineering Employees in Aerospace v. Boeing Co., Nos. 05-1251-MLB, 07-1043-MLB (D. Kan.) (the “Harkness Class Action”). Spirit Holdings, Spirit and certain Spirit retirement plan entities were parties to the Harkness Class Action, but all claims against the Spirit entities were subsequently dismissed. Boeing’s Complaint asserts that the damages assessed against Boeing in the UAW Arbitration and the claims settled by Boeing in the Harkness Class Action are liabilities that Spirit assumed under an Asset Purchase Agreement between Boeing and Spirit, dated February 22, 2005 (the “APA”). Boeing asserts claims for breach of contract and declaratory judgment regarding its indemnification rights under the APA. Boeing alleges that, under the UAW Arbitration decision, Boeing has paid more than $13.0 of a liability Boeing estimates to have a net present value of $39.0. In regard to the Harkness Class Action, Boeing has announced that the district court has approved a settlement in an amount of $90.0. In addition to the amounts related to the UAW Arbitration and Harkness Class Action, Boeing seeks indemnification for more than $10.0 in attorneys’ fees it alleges it expended to defend the UAW Arbitration and Harkness Class Action. On December 24, 2014, the parties filed a joint stipulation extending Spirit’s deadline to move, answer or otherwise respond to Boeing’s complaint until February 12, 2015. Spirit timely answered the complaint. Spirit intends to defend vigorously against the allegations in this lawsuit. Management believes the resolution of this matter will not materially affect the Company’s financial position, results of operations or liquidity.

On June 3, 2013, a putative class action lawsuit was commenced against the Company, Jeffrey L. Turner, and Philip D. Anderson in the U.S. District Court for the District of Kansas. The court-appointed lead plaintiffs - two pension funds that claim to represent a class of investors in the Company's stock - filed an amended complaint on April 7, 2014, naming as additional defendants Spirit's Vice President of the B787 Program Terry J. George and former Senior Vice President of Oklahoma Operations Alexander K. Kummant. The amended complaint alleges that defendants engaged in a scheme to artificially inflate the market price of the Company's stock by making false statements and omissions about certain programs' performance and costs. It contends that the alleged scheme was revealed by the Company’s accrual of $590.0 in forward loss charges on October 25, 2012. The lead plaintiffs seek certification of a class of all persons other than defendants who purchased Holdings securities between May 5, 2011 and October 24, 2012, and seek an unspecified amount of damages on behalf of the putative class. In June 2014, the defendants filed a motion to dismiss the claims set forth in the amended complaint. On May 14, 2015, the District Court granted Spirit's motion to dismiss and dismissed the matter with prejudice. The plaintiffs filed a notice of appeal on June 11, 2015.  On July 5, 2016, the U.S. Court of Appeals for the Tenth Circuit affirmed the District Courts' dismissal. On July 20, 2016, the plaintiff filed a petition for rehearing and rehearing en banc. On August 2, 2016, the Court of Appeals denied the petition. The deadline for the plaintiffs to file a petition for a writ of certiorari is October 31, 2016. At the time this Quarterly Report on Form 10-Q was filed with the Securities and Exchange Commission, the Company was not aware of any petition for writ of certiorari having been filed with the United States Supreme Court. The Company intends to vigorously defend against these allegations, and management believes the resolution of this matter will not materially affect the Company’s financial position, results of operations or liquidity.

Guarantees

Outstanding guarantees were $21.6 and $20.1 at September 29, 2016 and December 31, 2015, respectively.

Restricted Cash - collateral requirements

The Company was required to maintain $19.9 of restricted cash as of both September 29, 2016 and December 31, 2015 related to certain collateral requirements for obligations under its workers’ compensation programs. Restricted cash related to certain collateral requirements for obligations under its workers' compensation programs is included in “Other assets” in the Company's Condensed Consolidated Balance Sheets.

Indemnification

The Company has entered into customary indemnification agreements with each of its Directors, and some of its executive employment agreements include indemnification provisions. Under those agreements, the Company agrees to indemnify each of these individuals against claims arising out of events or occurrences related to that individual’s service as the Company’s agent or the agent of any of its subsidiaries to the fullest extent legally permitted.

Service and Product Warranties and Extraordinary Rework

Provisions for estimated expenses related to service and product warranties and certain extraordinary rework are evaluated on a quarterly basis. These costs are accrued and are recorded to unallocated cost of goods sold. These estimates are established using historical information on the nature, frequency and average cost of warranty claims, including the experience of industry peers. In the case of new development products or new customers, Spirit considers other factors including the experience of other entities in the same business and management judgment, among others. Service warranty and extraordinary work is reported in current liabilities and other liabilities in the Condensed Consolidated Balance Sheet.

The following is a roll forward of the service warranty and extraordinary rework balance at September 29, 2016:

Balance, December 31, 2015	$	158.7
Charges to costs and expenses	15.0
Payouts	(8.6		)
Exchange rate	(0.7		)
Balance, September 29, 2016	$	164.4

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Other Income (Expense), Net

9 Months Ended

Sep. 29, 2016

Other Nonoperating Income (Expense) [Abstract]

Other Income (Expense), Net

Other Expense, Net

Other expense, net is summarized as follows:

	For the Three Months Ended						For the Nine Months Ended
	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
KDFA bond	$	0.8		$	0.8		$	2.7		$	2.9
Rental and miscellaneous income (expense)(1)	0.2			(0.2		)	0.3			(2.1		)
Interest income	1.0			0.7			2.7			1.4
Foreign currency losses	(2.3		)	(3.8		)	(14.4		)	(3.0		)
Total	$	(0.3	)	$	(2.5	)	$	(8.7	)	$	(0.8	)

(1) Includes $2.0 of losses related to the settlement of interest rate swap agreements for the nine months ended October 1, 2015, as further detailed in Note 11, Derivative and Hedging Activities.

Foreign currency losses are due to the impact of movement in foreign currency exchange rates on an intercompany revolver and long-term contractual rights/obligations, as well as trade and intercompany receivables/payables which are denominated in a currency other than the entity’s functional currency. Foreign currency losses recognized during the nine months ended September 29, 2016 were primarily driven by the impact on the global markets of the decision for the United Kingdom to withdraw from the European Union (Brexit).

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Segment Information

9 Months Ended

Sep. 29, 2016

Segment Reporting [Abstract]

Segment Information

Segment Information

The Company operates in three principal segments: Fuselage Systems, Propulsion Systems and Wing Systems. Substantially all revenues in the three principal segments are from Boeing, with the exception of Wing Systems, which includes revenues from Airbus and other customers.  Approximately 96% of the Company’s net revenues for the nine months ended September 29, 2016 came from the Company's two largest customers, Boeing and Airbus. All other activities fall within the All Other segment, principally made up of sundry sales of miscellaneous services, tooling contracts and sales of natural gas through a tenancy-in-common with other companies that have operations in Wichita, Kansas. The Company's primary profitability measure to review a segment’s operating performance is segment operating income before corporate selling, general and administrative expenses, research and development and unallocated cost of sales.

Corporate selling, general and administrative expenses include centralized functions such as accounting, treasury and human resources that are not specifically related to the Company's operating segments and are not allocated in measuring the operating segments’ profitability and performance and net profit margins. Research and development includes research and development efforts that benefit the Company as a whole and are not unique to a specific segment. Unallocated cost of sales includes general costs not directly attributable to segment operations, such as warranty, early retirement and other incentives. All of these items are not specifically related to the Company's operating segments and are not utilized in measuring the operating segments’ profitability and performance.

The Company’s Fuselage Systems segment includes development, production and marketing of forward, mid and rear fuselage sections and systems, primarily to aircraft OEMs (OEM refers to aircraft original equipment manufacturer), as well as related spares and maintenance, repairs and overhaul (MRO) services. The Fuselage Systems segment manufactures products at the Company's facilities in Wichita, Kansas and Kinston, North Carolina.  The Fuselage Systems segment also includes an assembly plant for the A350 XWB aircraft in Saint-Nazaire, France.

The Company’s Propulsion Systems segment includes development, production and marketing of struts/pylons, nacelles (including thrust reversers) and related engine structural components primarily to aircraft or engine OEMs, as well as related spares and MRO services.  The Propulsion Systems segment manufactures products at the Company's facility in Wichita, Kansas.

The Company’s Wing Systems segment includes development, production and marketing of wings and wing components (including flight control surfaces) as well as other miscellaneous structural parts primarily to aircraft OEMs, as well as related spares and MRO services. These activities take place at the Company’s facilities in Tulsa and McAlester, Oklahoma; Kinston, North Carolina; Prestwick, Scotland; and Subang, Malaysia.

 The Company’s segments are consistent with the organization and responsibilities of management reporting to the chief operating decision-maker for the purpose of assessing performance. The Company’s definition of segment operating income differs from net profit margin as presented in its primary financial statements and a reconciliation of the segment and consolidated results is provided in the table set forth below.

 While some working capital accounts are maintained on a segment basis, much of the Company’s assets are not managed or maintained on a segment basis. Property, plant and equipment, including tooling, is used in the design and production of products for each of the segments and, therefore, is not allocated to any individual segment. In addition, cash, prepaid expenses, other assets and deferred taxes are managed and maintained on a consolidated basis and generally do not pertain to any particular segment. Raw materials and certain component parts are used in the production of aerostructures across all segments. Work-in-process inventory is identifiable by segment, but is managed and evaluated at the program level. As there is no segmentation of the Company’s productive assets, depreciation expense (included in fixed manufacturing costs and selling, general and administrative expenses) and capital expenditures, no allocation of these amounts has been made solely for purposes of segment disclosure requirements.

The following table shows segment revenues and operating income for the three and nine months ended September 29, 2016 and October 1, 2015:

	Three Months Ended						Nine Months Ended
	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
Segment Revenues
Fuselage Systems(1)	$	880.3		$	819.8		$	2,679.7		$	2,624.2
Propulsion Systems	453.0			429.5			1,373.3			1,316.0
Wing Systems	376.8			341.2			1,161.5			1,085.4
All Other (1)	1.3			3.1			8.4			8.9
	$	1,711.4		$	1,593.6		$	5,222.9		$	5,034.5
Segment Operating Income
Fuselage Systems (1)	$	142.5		$	130.7		$	340.9		$	463.2
Propulsion Systems	77.5			95.1			250.9			279.0
Wing Systems	51.1			45.6			174.7			140.9
All Other (1)	0.6			0.2			2.0			1.3
	271.7			271.6			768.5			884.4
Corporate SG&A	(52.2		)	(54.5		)	(172.4		)	(159.9		)
Research and development	(5.4		)	(6.5		)	(15.9		)	(20.2		)
Unallocated cost of sales (2)	0.3			(19.0		)	(16.0		)	(47.1		)
Total operating income	$	214.4		$	191.6		$	564.2		$	657.2

(1) Includes a reclassification of $10.2 of revenues and $1.8 of operating income from the Other segment to the Fuselage segment for the nine months ended September 29, 2016.

(2) Includes $7.7 and $11.8 of warranty reserve for the three months ended September 29, 2016 and October 1, 2015, respectively, and $12.0 and $34.2 for the nine months ended September 29, 2016 and October 1, 2015, respectively. Also includes $7.9 for the settlement of historical claims with suppliers for both the three and nine month periods ended September 29, 2016 and $11.8 related to early retirement incentives for the nine months ended September 29, 2016.

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Condensed Consolidating Financial Information

9 Months Ended

Sep. 29, 2016

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Consolidating Financial Information

Condensed Consolidating Financial Information

The 2020 Notes, 2022 Notes, and 2026 Notes were fully and unconditionally guaranteed on a joint and several senior unsecured basis by the Company and its 100% owned domestic subsidiaries, other than Spirit (the “Subsidiary Guarantors”). Following the A&R Credit Agreement, the 2022 Notes and 2026 Notes are fully and unconditionally guaranteed on a joint and several senior unsecured basis by the Company and no subsidiaries are guarantors to any of Spirit's senior notes. As of July 1, 2016, Spirit redeemed the 2020 Notes. For comparative purposes, all statements below have been updated to reflect the effects of the A&R Credit Agreement on the guarantor structure.

The following condensed consolidating financial information, which has been prepared in accordance with the requirements for presentation of Rule 3-10(d) of Regulation S-X promulgated under the Securities Act, presents the condensed consolidating financial information separately for:

(i) Holdings, as the parent company and parent guarantor to the A&R Credit Agreement, as further detailed in Note 12, Debt;

(ii) Spirit, as the subsidiary issuer of the 2022 Notes and the 2026 Notes, as well as the 2020 Notes which were outstanding through July 1, 2016;

(iii) The Company’s subsidiaries, (the “Subsidiary Non-Guarantors”), on a combined basis;

(iv) Consolidating entries and eliminations representing adjustments to (a) eliminate intercompany transactions between or among Holdings and the Subsidiary Non-Guarantors, (b) eliminate the investments in the Company’s subsidiaries and (c) record consolidating entries; and

(v) Holdings and its subsidiaries on a consolidated basis.

Condensed Consolidating Statements of Operations

For the Three Months Ended September 29, 2016

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net revenues	$	—		$	1,549.3		$	308.7		$	(146.6	)	$	1,711.4
Operating costs and expenses
Cost of sales	—			1,298.8			287.2			(146.6		)	1,439.4
Selling, general and administrative	2.2			46.6			3.4			—			52.2
Research and development	—			5.0			0.4			—			5.4
Total operating costs and expenses	2.2			1,350.4			291.0			(146.6		)	1,497.0
Operating (loss) income	(2.2		)	198.9			17.7			—			214.4
Interest expense and financing fee amortization	—			(12.1		)	(1.9		)	1.8			(12.2		)
Other income (expense), net	—			4.0			(2.5		)	(1.8		)	(0.3		)
(Loss) income before income taxes and equity in net income of affiliate and subsidiaries	(2.2		)	190.8			13.3			—			201.9
Income tax benefit (provision)	0.6			(55.8		)	(2.1		)	—			(57.3		)
(Loss) income before equity in net income of affiliate and subsidiaries	(1.6		)	135.0			11.2			—			144.6
Equity in net income of affiliate	0.5			—			0.5			(0.5		)	0.5
Equity in net income of subsidiaries	146.2			11.2			—			(157.4		)	—
Net income	145.1			146.2			11.7			(157.9		)	145.1
Other comprehensive (loss) income	(8.5		)	(8.5		)	(17.7		)	26.2			(8.5		)
Comprehensive income (loss)	$	136.6		$	137.7		$	(6.0	)	$	(131.7	)	$	136.6

Condensed Consolidating Statements of Operations

For the Three Months Ended October 1, 2015

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net revenues	$	—		$	1,457.7		$	238.1		$	(102.2	)	$	1,593.6
Operating costs and expenses
Cost of sales	—			1,227.7			215.5			(102.2		)	1,341.0
Selling, general and administrative	1.3			47.8			5.4			—			54.5
Research and development	—			6.0			0.5			—			6.5
Total operating costs and expenses	1.3			1,281.5			221.4			(102.2		)	1,402.0
Operating (loss) income	(1.3		)	176.2			16.7			—			191.6
Interest expense and financing fee amortization	—			(11.6		)	(1.8		)	1.7			(11.7		)
Other income (expense), net	—			2.8			(3.6		)	(1.7		)	(2.5		)
(Loss) income before income taxes and equity in net income of affiliate and subsidiaries	(1.3		)	167.4			11.3			—			177.4
Income tax (provision) benefit	(1.5		)	139.9			(2.5		)	—			135.9
(Loss) income before equity in net income of affiliate and subsidiaries	(2.8		)	307.3			8.8			—			313.3
Equity in net income of affiliate	0.3			—			0.3			(0.3		)	0.3
Equity in net income of subsidiaries	316.1			8.7			—			(324.8		)	—
Net income	313.6			316.0			9.1			(325.1		)	313.6
Other comprehensive (loss) income	(11.4		)	(11.4		)	(10.7		)	22.1			(11.4		)
Comprehensive income (loss)	$	302.2		$	304.6		$	(1.6	)	$	(303.0	)	$	302.2

Condensed Consolidating Statements of Operations

For the Nine Months Ended September 29, 2016

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net revenues	$	—		$	4,711.7		$	984.5		$	(473.3	)	$	5,222.9
Operating costs and expenses
Cost of sales	—			4,047.0			896.7			(473.3		)	4,470.4
Selling, general and administrative	6.0			154.4			12.0			—			172.4
Research and development	—			14.4			1.5			—			15.9
Total operating costs and expenses	6.0			4,215.8			910.2			(473.3		)	4,658.7
Operating (loss) income	(6.0		)	495.9			74.3			—			564.2
Interest expense and financing fee amortization	—			(47.2		)	(6.0		)	5.7			(47.5		)
Other income (expense), net	—			11.5			(14.5		)	(5.7		)	(8.7		)
(Loss) income before income taxes and equity in net income of affiliate and subsidiaries	(6.0		)	460.2			53.8			—			508.0
Income tax benefit (provision)	1.8			(140.1		)	(9.5		)	—			(147.8		)
(Loss) income before equity in net income of affiliate and subsidiaries	(4.2		)	320.1			44.3			—			360.2
Equity in net income of affiliate	1.3			—			1.3			(1.3		)	1.3
Equity in net income of subsidiaries	364.4			44.3			—			(408.7		)	—
Net income	361.5			364.4			45.6			(410.0		)	361.5
Other comprehensive (loss) income	(42.9		)	(42.9		)	(44.5		)	87.4			(42.9		)
Comprehensive income (loss)	$	318.6		$	321.5		$	1.1		$	(322.6	)	$	318.6

Condensed Consolidating Statements of Operations

For the Nine Months Ended October 1, 2015

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net revenues	$	—		$	4,641.2		$	736.8		$	(343.5	)	$	5,034.5
Operating costs and expenses
Cost of sales	—			3,881.8			658.9			(343.5		)	4,197.2
Selling, general and administrative	5.8			141.2			12.9			—			159.9
Research and development	—			19.0			1.2			—			20.2
Total operating costs and expenses	5.8			4,042.0			673.0			(343.5		)	4,377.3
Operating (loss) income	(5.8		)	599.2			63.8			—			657.2
Interest expense and financing fee amortization	—			(41.3		)	(5.8		)	5.4			(41.7		)
Other income (expense), net	—			7.4			(2.8		)	(5.4		)	(0.8		)
(Loss) income before income taxes and equity in net income of affiliate and subsidiaries	(5.8		)	565.3			55.2			—			614.7
Income tax (provision) benefit	(0.4		)	43.3			(8.1		)	—			34.8
(Loss) income before equity in net income of affiliate and subsidiaries	(6.2		)	608.6			47.1			—			649.5
Equity in net income of affiliate	0.9			—			0.9			(0.9		)	0.9
Equity in net income of subsidiaries	655.7			47.1			—			(702.8		)	—
Net income	650.4			655.7			48.0			(703.7		)	650.4
Other comprehensive (loss) income	(11.0		)	(11.0		)	(9.5		)	20.5			(11.0		)
Comprehensive income (loss)	$	639.4		$	644.7		$	38.5		$	(683.2	)	$	639.4

Condensed Consolidating Balance Sheet

September 29, 2016

	Holdings		Spirit		Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Current assets
Cash and cash equivalents	$	—	$	609.4	$	61.0	$	—		$	670.4
Accounts receivable, net	—		868.3		242.8		(362.5		)	748.6
Inventory, net	—		1,024.0		464.1		—			1,488.1
Other current assets	—		19.0		6.1		—			25.1
Total current assets	—		2,520.7		774.0		(362.5		)	2,932.2
Property, plant and equipment, net	—		1,397.7		537.0		—			1,934.7
Pension assets, net	—		244.3		11.8		—			256.1
Investment in subsidiary	1,809.3		542.6		—		(2,351.9		)	—
Other assets	—		429.9		98.3		(290.0		)	238.2
Total assets	$	1,809.3	$	5,135.2	$	1,421.1	$	(3,004.4	)	$	5,361.2
Current liabilities
Accounts payable	$	—	$	525.7	$	428.6	$	(362.5	)	$	591.8
Accrued expenses	—		191.3		35.7		—			227.0
Profit sharing	—		61.9		2.1		—			64.0
Current portion of long-term debt	—		31.9		2.3		—			34.2
Advance payments, short-term	—		201.4		—		—			201.4
Deferred revenue and other deferred credits, short-term	—		310.1		1.4		—			311.5
Deferred grant income liability - current	—		—		13.8		—			13.8
Other current liabilities	—		84.2		0.4		—			84.6
Total current liabilities	—		1,406.5		484.3		(362.5		)	1,528.3
Long-term debt	—		1,063.0		218.1		(210.0		)	1,071.1
Advance payments, long-term	—		382.5		—		—			382.5
Pension/OPEB obligation	—		71.6		—		—			71.6
Deferred grant income liability - non-current	—		—		68.5		—			68.5
Deferred revenue and other deferred credits	—		163.3		4.0		—			167.3
Other liabilities	—		318.9		23.7		(80.0		)	262.6
Total equity	1,809.3		1,729.4		622.5		(2,351.9		)	1,809.3
Total liabilities and shareholders’ equity	$	1,809.3	$	5,135.2	$	1,421.1	$	(3,004.4	)	$	5,361.2

Condensed Consolidating Balance Sheet

December 31, 2015

	Holdings		Spirit		Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Current assets
Cash and cash equivalents	$	—	$	894.2	$	63.1	$	—		$	957.3
Accounts receivable, net	—		686.3		216.5		(365.8		)	537.0
Inventory, net	—		1,229.0		545.3		0.1			1,774.4
Other current assets	—		24.4		6.0		—			30.4
Total current assets	—		2,833.9		830.9		(365.7		)	3,299.1
Property, plant and equipment, net	—		1,393.1		557.6		—			1,950.7
Pension assets, net	—		233.3		13.6		—			246.9
Investment in subsidiary	2,120.0		537.8		0.1		(2,657.9		)	—
Other assets	—		504.7		104.0		(340.9		)	267.8
Total assets	$	2,120.0	$	5,502.8	$	1,506.2	$	(3,364.5	)	$	5,764.5
Current liabilities
Accounts payable	$	—	$	538.2	$	445.8	$	(365.8	)	$	618.2
Accrued expenses	—		195.0		35.2		—			230.2
Profit sharing	—		58.3		3.3		—			61.6
Current portion of long-term debt	—		32.2		2.7		—			34.9
Advance payments, short-term	—		178.3		—		—			178.3
Deferred revenue and other deferred credits, short-term	—		281.7		3.8		—			285.5
Deferred grant income liability - current	—		—		11.9		—			11.9
Other current liabilities	—		34.7		3.0		—			37.7
Total current liabilities	—		1,318.4		505.7		(365.8		)	1,458.3
Long-term debt	—		1,075.7		270.6		(261.0		)	1,085.3
Advance payments, long-term	—		507.4		—		—			507.4
Pension/OPEB obligation	—		67.7		—		—			67.7
Deferred grant income liability - non-current	—		—		82.3		—			82.3
Deferred revenue and other deferred credits	—		165.6		4.4		—			170.0
Other liabilities	—		328.2		25.3		(80.0		)	273.5
Total equity	2,120.0		2,039.8		617.9		(2,657.7		)	2,120.0
Total liabilities and shareholders’ equity	$	2,120.0	$	5,502.8	$	1,506.2	$	(3,364.5	)	$	5,764.5

Condensed Consolidating Statements of Cash Flows

For the Nine Months Ended September 29, 2016

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments		Total
Operating activities
Net cash provided by (used in) operating activities	$	—		$	481.3		$	93.1		$	—	$	574.4
Investing activities
Purchase of property, plant and equipment	—			(121.4		)	(35.4		)	—		(156.8		)
Proceeds from sale of assets	—			0.6			—			—		0.6
Other	—			0.4			(0.4		)	—		—
Net cash used in investing activities	—			(120.4		)	(35.8		)	—		(156.2		)
Financing activities
Proceeds from issuance of bonds	—			299.8			—			—		299.8
Principal payments of debt	—			(14.4		)	(2.3		)	—		(16.7		)
Payment on bonds	—			(300.0		)	—			—		(300.0		)
Collection on (repayment of) intercompany debt	—			51.0			(51.0		)	—		—
Taxes paid related to net share settlement of awards	—			(15.2		)	—			—		(15.2		)
Excess tax benefit of share-based payment arrangements	—			(0.1		)	—			—		(0.1		)
Debt issuance and financing costs	—			(17.2		)	—			—		(17.2		)
Proceeds (payments) from subsidiary for purchase of treasury stock	649.6			(649.6		)	—			—		—
Purchase of treasury stock	(649.6		)	—			—			—		(649.6		)
Net cash used in financing activities	—			(645.7		)	(53.3		)	—		(699.0		)
Effect of exchange rate changes on cash and cash equivalents	—			—			(6.1		)	—		(6.1		)
Net decrease in cash and cash equivalents for the period	—			(284.8		)	(2.1		)	—		(286.9		)
Cash and cash equivalents, beginning of period	—			894.2			63.1			—		957.3
Cash and cash equivalents, end of period	$	—		$	609.4		$	61.0		$	—	$	670.4

Condensed Consolidating Statements of Cash Flows

For the Nine Months Ended October 1, 2015

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments		Total
Operating activities
Net cash provided by operating activities	$	—		$	888.9		$	80.5		$	—	$	969.4
Investing activities
Purchase of property, plant and equipment	—			(164.9		)	(51.6		)	—		(216.5		)
Proceeds from sale of assets	—			1.8			—			—		1.8
Other	—			(0.2		)	0.2			—		—
Net cash used in investing activities	—			(163.3		)	(51.4		)	—		(214.7		)
Financing activities
Proceeds from issuance of debt	—			535.0			—			—		535.0
Principal payments of debt	—			(26.7		)	(2.5		)	—		(29.2		)
Payments on term loan	—			(534.9		)	—			—		(534.9		)
Increase (decrease) in intercompany debt	—			17.0			(17.0		)	—		—
Excess tax benefits from share-based payment arrangements	—			10.6			0.1			—		10.7
Collection on (repayment of) intercompany debt	—			(20.7		)	—			—		(20.7		)
Debt issuance and financing costs	—			(4.7		)	—			—		(4.7		)
Proceeds (payments) from subsidiary for purchase of treasury stock	45.9			(45.9		)	—			—		—
Purchase of treasury stock	(45.9		)	—			—			—		(45.9		)
Net cash used in financing activities	—			(70.3		)	(19.4		)	—		(89.7		)
Effect of exchange rate changes on cash and cash equivalents	—			—			(0.2		)	—		(0.2		)
Net increase in cash and cash equivalents for the period	—			655.3			9.5			—		664.8
Cash and cash equivalents, beginning of period	—			354.6			23.3			—		377.9
Cash and cash equivalents, end of period	$	—		$	1,009.9		$	32.8		$	—	$	1,042.7

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Customer Unpriced Change Orders and Assertions (Notes)

9 Months Ended

Sep. 29, 2016

Customer Unpriced Change Orders and Assertions [Abstract]

Long-term Contracts or Programs Disclosure [Text Block]

22.  Customer Unpriced Change Orders and Assertions

Spirit regularly commences work and incorporates customer-directed changes prior to negotiating pricing terms for engineering work, for work related to the modification of the product, and/or other statement of work. Spirit typically has the legal right to negotiate pricing for customer-directed changes. In those cases, Spirit asserts to its customers its contractual rights to be paid the additional revenue or cost reimbursement the Company expects to receive upon finalizing pricing terms.

Spirit’s supply agreement for the B787 program (the "B787 Supply Agreement") provides that initial prices for the B787-9 and B787-10 are to be determined by a procedure set out in the B787 Supply Agreement, and documented by amendment once that amendment has been agreed to by the parties. As part of a memorandum of agreement that Spirit and Boeing entered into in November 2014 (the "November 2014 MOA"), Boeing and Spirit established interim prices for certain B787 shipsets, and the parties agreed to negotiate future rate increases, recurring prices, and other issues across multiple programs during 2015. Since Spirit was unable to reach agreement with Boeing on these issues by the end of 2015, once the parties agree upon appropriate pricing for the B787-9, Boeing will be entitled to a retroactive adjustment on certain B787 payments which were based on the interim pricing. The amount Spirit received that is subject to a retroactive adjustment was recorded as deferred revenue, and has not been recognized by the Company as revenue. Spirit is engaged in discussions with Boeing concerning how to determine the subsequent B787-9 and initial B787-10 prices, and have not yet reached agreement. Spirit’s ability to successfully negotiate fair and equitable prices for these models as well as overall B787 delivery volumes and rate investments, and its ability to achieve forecasted cost improvements on all B787 models are key factors in achieving the projected financial performance for this program.

For B787-9 and B787-10 deliveries in the Company's second B787 contract block, the Company has applied the applicable accounting guidance for unpriced change orders in estimating total block revenues which will be updated as part of the Company’s Estimate at Completion process until the final pricing is negotiated. Pending final price negotiations, the Company has estimated revenue for B787-9 and B787-10 deliveries to include assumptions around changes from the contract configuration baseline for each B787 model.

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New Accounting Pronouncements (Policies)

9 Months Ended

Sep. 29, 2016

Accounting Policies [Abstract]

New Accounting Pronouncements, Policy [Policy Text Block]

2.  New Accounting Pronouncements

In August 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-15, Statement of Cash Flows (Topic 230), Classification of Certain Cash Receipts and Cash Payments (“ASU 2016-15”). ASU 2016-15 provides guidance on eight specific cash flow classification issues. Current GAAP does not include specific guidance on these eight cash flow classification issues. The amendments of this ASU are effective for reporting periods beginning after December 15, 2017, with early adoption permitted. The adoption of ASU 2016-15 is not expected to have a material impact on the Company's consolidated financial statements.

In May 2016, the FASB issued ASU 2016-11, Revenue Recognition (Topic 605) and Derivatives and Hedging (Topic 815): Rescission of SEC Guidance Because of Accounting Standards Updates 2014-09 and 2014-16 Pursuant to Staff Announcements at the March 3, 2016 EITF Meeting (SEC Update)") (ASU 2016-11), which rescinds various standards codified as part of Topic 605, Revenue Recognition in relation to the future adoption of Topic 606. These rescissions include changes to topics pertaining to revenue and expense recognition for freight services in process, accounting for shipping and handling fees and costs and accounting for consideration given by a vendor to a customer. This guidance is effective for the Company in its first quarter of fiscal 2018 and early adoption as permitted. The Company is currently evaluating the guidance and impact the adoption of ASU 2016-11 will have on its consolidated financial statements.

In March 2016, the FASB issued ASU No. 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting (ASU 2016-09). ASU 2016-09 identifies areas for simplification involving several aspects of accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, an option to recognize gross stock compensation expense with actual forfeitures recognized as they occur, as well as certain classifications on the statement of cash flows. ASU 2016-09 will be effective for annual periods beginning after December 15, 2016. Early adoption is permitted. The Company elected to early adopt these amendments beginning in the second quarter of 2016. Beginning in that quarter, excess tax benefits or deficiencies in respect of stock-based compensation were reflected in the Consolidated Statements of Operations as a component of the income tax provision. Previously, they were recognized in equity as part of additional paid-in-capital. Also, beginning in that quarter, the Company's Consolidated Statement of Cash Flows presents excess tax benefits or deficiencies as an operating activity. Accordingly, the Consolidated Statement of Cash Flows for the nine months ended September 29, 2016 includes a $4.4 increase to net cash provided by operating activities. The Company has also elected to account for forfeitures using an expected estimate rather than recording forfeitures as they occur as permitted by ASU 2016-09. See Note 15, Income Taxes, for information regarding the additional impact on the Company's financial statements.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842) (ASU 2016-02). This update requires recognition of lease assets and lease liabilities on the balance sheet of lessees. ASU 2016-02 is effective for fiscal years and interim reporting periods within those years beginning after December 15, 2018. Early adoption is permitted. ASU 2016-02 requires a modified retrospective transition approach and provides certain optional transition relief. The Company is currently evaluating the new guidance to determine the impact it may have to the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers, which supersedes the revenue recognition requirements in ASC 605, Revenue Recognition (ASU 2014-09). This update is based on the principle that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 was supposed to be effective in annual periods beginning after December 15, 2016 and for interim and annual reporting periods thereafter. However, in July 2015, the FASB affirmed its proposal to defer the effective date of ASU 2014-09 for all entities by one year. As a result, ASU 2014-09 is effective for annual reporting periods beginning after December 15, 2017, with an option that would permit companies to adopt the standard as early as the original effective date. Early adoption prior to the original effective date is not permitted. In March 2016, the FASB issued ASU 2016-08, Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations (Reporting Revenue Gross versus Net) and in April 2016, ASU 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing, both of which provide supplemental adoption guidance and clarification to ASC 2014-09. In May 2016, the FASB issued ASU 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients, which addresses implementation issues that were raised by stakeholders and discussed by the Revenue Recognition Transition Resource Group. ASU 2016-08, ASU 2016-10 and ASU 2016-12 must be adopted concurrently with the adoption of ASU 2014-09. The Company is currently evaluating the new guidance to determine the impact it may have to the Company's consolidated financial statements.

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Changes in Estimates Changes in Estimates (Tables)

9 Months Ended

Sep. 29, 2016

Accounting Changes and Error Corrections [Abstract]

Schedule of Change in Accounting Estimate [Table Text Block]

The Company has a Company-wide quarterly Estimate at Completion (EAC) process in which management assesses the progress and performance of the Company's contracts. This process requires management to review each program’s progress towards completion by evaluating the program schedule, changes to identified risks and opportunities, changes to estimated contract revenues and estimated contract costs over the current contract block and any outstanding contract matters. Risks and opportunities include management's judgment about the cost associated with a program’s ability to achieve the schedule, technical requirements (e.g., a newly-developed product versus a mature product) and any other contract requirements. The majority of the Company's fixed priced contracts are life of aircraft program contracts. Due to the span of years it may take to complete a contract block and the scope and nature of the work required to be performed on those contracts, the estimation of total revenue and costs at completion is complicated and subject to many variables and, accordingly, is subject to change. When adjustments in estimated total contract block revenue or estimated total cost are required, any changes from prior estimates for delivered units are recognized in the current period as a cumulative catch-up adjustment for the inception-to-date effect of such changes. Cumulative catch-up adjustments are driven by several factors including improved production efficiencies, assumed rate of production, the rate of overhead absorption, changes to scope of work and contract modifications. When estimates of total costs to be incurred on a contract block exceed estimates of total revenue to be earned, a provision for the entire loss on the contract block is recorded in the period in which the loss is determined. Changes in estimates are summarized below:

	For the Three Months Ended					For the Nine Months Ended
Changes in Estimates	September 29, 2016			October 1, 2015		September 29, 2016			October 1, 2015
Cumulative Catch-up Adjustment by Segment
Fuselage	$	(1.9	)	$	7.8	$	15.1		$	15.4
Propulsion	(1.6		)	8.4		(1.8		)	19.8
Wing	(0.8		)	2.8		18.7			1.2
Total Favorable (Unfavorable) Cumulative Catch-up Adjustment	$	(4.3	)	$	19.0	$	32.0		$	36.4
Changes in Estimates on Loss Programs (Forward Loss)
Fuselage
Boeing - All other platforms	$	(1.6	)	$	—	$	2.4		$	6.4
Airbus A350 XWB	—			—		(135.7		)	—
Other Platforms	—			—		0.3			—
Total Fuselage (Forward Loss) Change in Estimate on Loss Programs	$	(1.6	)	$	—	$	(133.0	)	$	6.4
Propulsion
Boeing - All other platforms	$	(0.5	)	$	—	$	2.6		$	(1.3	)
Rolls-Royce BR725	—			—		3.4			—
Total Propulsion (Forward Loss) Change in Estimate on Loss Programs	$	(0.5	)	$	—	$	6.0		$	(1.3	)
Wing
Boeing - All other platforms	$	(0.6	)	$	—	$	3.6		$	—
Airbus A350 XWB	1.5			—		1.5			—
Total Wing Change in Estimate on Loss Programs	$	0.9		$	—	$	5.1		$	—
Total (Forward Loss) Change in Estimate on Loss Programs	$	(1.2	)	$	—	$	(121.9	)	$	5.1
Total Change in Estimate	$	(5.5	)	$	19.0	$	(89.9	)	$	41.5
EPS Impact (diluted per share based upon statutory rates)	$	(0.03	)	$	0.09	$	(0.44	)	$	0.19

Airbus A350 XWB

During the second quarter of 2016, Spirit signed a memorandum of agreement with Airbus (the "Airbus 2016 MOA") which, in part, materially reset the pricing for 800 units on the A350 XWB Fuselage and Wing requirements contracts. The Airbus 2016 MOA was negotiated to economically compensate Spirit for significant eng

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Accounts Receivable, net (Tables)

9 Months Ended

Sep. 29, 2016

Accounts Receivable, Net, Current [Abstract]

Accounts Receivable, Net

Accounts receivable, net consists of the following:

	September 29, 2016			December 31, 2015
Trade receivables	$	720.1		$	524.3
Other	33.7			18.8
Less: allowance for doubtful accounts	(5.2		)	(6.1		)
Accounts receivable, net	$	748.6		$	537.0

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Inventory (Tables)

9 Months Ended

Sep. 29, 2016

Inventory Disclosure [Abstract]

Summary Of Inventories

Inventories are summarized as follows:

	September 29, 2016			December 31, 2015
Raw materials	$	266.6		$	253.8
Work-in-process	736.9			854.4
Finished goods	35.2			65.7
Product inventory	1,038.7			1,173.9
Capitalized pre-production	109.8			167.8
Deferred production	747.6			1,315.4
Forward loss provision	(408.0		)	(882.7		)
Total inventory, net	$	1,488.1		$	1,774.4

Capitalized pre-production costs include certain contract costs, including applicable overhead, incurred before a product is manufactured on a recurring basis. Significant statement of work changes considered not reimbursable by the customer can also cause pre-production costs to be incurred. These costs are typically amortized over a certain number of shipset deliveries. Capitalized pre-production may be amortized over multiple blocks. See contract block and orders table noted below.

Deferred production includes costs for the excess of production costs over the estimated average cost per shipset, and credit balances for favorable variances on contracts between actual costs incurred and the estimated average cost per shipset for units delivered under the current production blocks. Recovery of excess-over-average deferred production costs is dependent on the number of shipsets ultimately sold and the ultimate selling prices and lower production costs associated with future production under these contract blocks. The Company believes these amounts, net of forward loss provisions, will be fully recovered over the contract block quantities noted in the contract block and orders table below. Should orders not materialize in future periods to fulfill the block, potential forward loss charges may be necessary to the extent the final delivered quantity does not absorb deferred inventory costs. Sales significantly under estimates or costs significantly over estimates could result in losses on these contracts in future periods.

Capitalized pre-production and deferred production inventories are at risk to the extent that the Company does not achieve the orders in the forecasted blocks or if future actual costs exceed current projected estimates, as those categories of inventory are recoverable over future deliveries.

Forward loss provisions on contract blocks are recorded in the period in which they become evident and included in inventory with any remaining amount reflected in accrued contract liabilities.

Non-recurring production costs include design and engineering costs and test articles.

Summary Of Inventories By Platform

Inventories for contract blocks that have not closed are summarized by platform and costs below:

	September 29, 2016
	Product Inventory
	Inventory		Non-Recurring		Capitalized Pre- Production		Deferred Production			Forward Loss Provision			Total Inventory, net September 29, 2016
Boeing - All platforms	691.7		28.0		4.9		(37.2		)	(19.1		)	668.3
A350 XWB	158.2		33.2		86.6		678.0			(247.8		)	708.2
Airbus - All other platforms	92.3		—		—		(9.8		)	—			82.5
Rolls-Royce BR725(1)	13.7		—		18.3		108.9			(140.9		)	—
Other platforms	16.2		5.4		—		7.7			(0.2		)	29.1
Total	$	972.1	$	66.6	$	109.8	$	747.6		$	(408.0	)	$	1,488.1

	December 31, 2015
	Product Inventory
	Inventory		Non-Recurring		Capitalized Pre- Production		Deferred Production		Forward Loss Provision			Total Inventory, net December 31, 2015
Boeing - All platforms(2)	714.6		32.8		47.7		525.7		(634.8		)	686.0
A350 XWB	148.7		35.3		94.2		679.4		(113.8		)	843.8
Airbus - All other platforms	90.8		—		—		9.2		—			100.0
Rolls-Royce BR725(1)	12.5		—		25.9		95.7		(134.1		)	—
Other platforms	134.3		4.9		—		5.4		—			144.6
Total	$	1,100.9	$	73.0	$	167.8	$	1,315.4	$	(882.7	)	$	1,774.4

(1) Forward loss charges recorded in prior periods on the Rolls-Royce BR725 program exceeded the total inventory balance. The excess of the charge over program inventory is classified as a contract liability and reported in other current liabilities on the Condensed Consolidated Balance Sheet.  The total contract liability was $1.9 and $12.2 as of September 29, 2016 and December 31, 2015, respectively.

(2) Includes $558.5 and ($606.0) of Deferred Production and Forward Loss Provision, respectively, on the B787 program as of December 31, 2015. The first contract block on the B787 program was closed as of September 29, 2016.

Block and Orders

Significant amortization of capitalized pre-production and deferred production inventory has occurred over the following contract block deliveries and will continue to occur over the following contract blocks:

Model	Current Block Deliveries	Contract Block Quantity	Orders(1)
A350 XWB	114	800	769
Rolls-Royce BR725	238	350	320

(1) Order amount for Airbus obtained from the published firm-order backlog and exclude Airbus delivered units. For Rolls-Royce BR725, orders represent purchase orders received from OEMs and are not reflective of OEM sales backlog.

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Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 29, 2016

Property, Plant and Equipment [Abstract]

Property, plant and equipment, net

Property, plant and equipment, net consists of the following: 

	September 29, 2016			December 31, 2015
Land	$	15.0		$	16.5
Buildings (including improvements)	629.1			585.4
Machinery and equipment	1,314.5			1,210.6
Tooling	972.7			927.2
Capitalized software	239.7			219.7
Construction-in-progress	185.5			278.6
Total	3,356.5			3,238.0
Less: accumulated depreciation	(1,421.8		)	(1,287.3		)
Property, plant and equipment, net	$	1,934.7		$	1,950.7

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Other Assets (Tables)

9 Months Ended

Sep. 29, 2016

Other Assets, Noncurrent [Abstract]

Other Assets

Other assets are summarized as follows:

	September 29, 2016			December 31, 2015
Intangible assets
Patents	$	1.9		$	1.9
Favorable leasehold interests	6.3			6.3
Total intangible assets	8.2			8.2
Less: Accumulated amortization - patents	(1.7		)	(1.6		)
Accumulated amortization - favorable leasehold interest	(4.1		)	(3.8		)
Intangible assets, net	2.4			2.8
Deferred financing
Deferred financing costs	38.5			36.8
Less: Accumulated amortization - deferred financing costs	(31.8		)	(30.3		)
Deferred financing costs, net (1)	6.7			6.5
Other
Goodwill - Europe	2.4			2.7
Equity in net assets of affiliates	4.5			3.2
Supply agreements(2)	19.6			29.3
Restricted Cash - collateral requirements	19.9			19.9
Deferred Tax Asset - non-current	133.2			162.8
Other	49.5			40.6
Total	$	238.2		$	267.8

(1) In accordance with ASU 2015-03, includes a retrospective reclassification for the period ended December 31, 2015 of $13.0 net deferred financing costs to a direct deduction from the carrying amount of the related debt liability, See Note 12, "Debt" for further detail.

(2) Under agreements with customers and a supplier, certain payments accounted for as consideration paid by the Company to a customer and supplier are being amortized as a reduction to net revenues.

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Advance Payments and Deferred Revenue/Credits (Tables)

9 Months Ended

Sep. 29, 2016

Advance Payments And Deferred Revenue Credits [Abstract]

Advance Payments And Deferred Revenue Credits Summarized

Advance payments and deferred revenue/credits are summarized by platform as follows:

	September 29, 2016		December 31, 2015
B787	$	867.4	$	909.3
Boeing - All other platforms	17.6		13.8
A350 XWB	145.1		183.5
Airbus — All other platforms	2.5		4.0
Other	30.1		30.6
Total advance payments and deferred revenue/credits	$	1,062.7	$	1,141.2

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Government Grants (Tables)

9 Months Ended

Sep. 29, 2016

Government Grants [Abstract]

Deferred Grant Income Liability Net

Deferred grant income liability, net consists of the following:

Balance, December 31, 2015	$	94.2
Grant liability amortized	(8.6		)
Exchange rate	(3.3		)
Total deferred grant income liability, September 29, 2016	$	82.3

Asset Related To Deferred Grant Income Net

The assets related to the deferred grant income consist of the following:

Balance, December 31, 2015	$	106.6
Amortization	(3.7		)
Exchange rate	(3.3		)
Total asset value related to deferred grant income, September 29, 2016	$	99.6

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 29, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurements

	Fair Value Measurements
	December 31, 2015						At December 31, 2015 using
Description	Total Carrying Amount in Balance Sheet		Assets Measured at Fair Value		Liabilities Measured at Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Money Market Fund	$	90.2	$	90.2	$	—	$	90.2	$	—	$	—

Carrying Amount And Estimated Fair Value Of Long Term Debt

The following table presents the carrying amount and estimated fair value of long-term debt:

	September 29, 2016					December 31, 2015
	Carrying Amount		Fair Value			Carrying Amount		Fair Value
Senior unsecured term loan A (including current portion)	$	497.5	$	494.4	(2)	$	505.8	$	501.6	(2)
Senior unsecured notes due 2020	—		—		(1)	296.3		310.5		(1)
Senior unsecured notes due 2022	293.5		308.6		(1)	292.7		304.8		(1)
Senior unsecured notes due 2026	296.9		309.7		(1)	—		—		(1)
Malaysian loan	1.7		1.5		(2)	3.2		2.8		(2)
Total	$	1,089.6	$	1,114.2		$	1,098.0	$	1,119.7

(1) Level 1 Fair Value hierarchy

(2) Level 2 Fair Value hierarchy

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Derivative and Hedging Activities (Tables)

9 Months Ended

Sep. 29, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Interest rate swaps

During the first quarter of 2015, as a result of Amendment No. 5 to its Credit Agreement, the Company unwound its interest rate swap agreements which had a notional amount of $250.0. The company recognized a loss of $0.4 as a result of unwinding these interest rate swaps. This loss on derivatives not designated as hedging instruments is included in Other Expense on the Consolidated Statement of Operations for the nine months ended October 1, 2015. In total, the Company paid $2.0 as a result of the settlement of the interest rate swap agreements.

As of September 29, 2016 and December 31, 2015, the Company had no outstanding interest rate swap agreements.

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Debt (Tables)

9 Months Ended

Sep. 29, 2016

Debt Disclosure [Abstract]

Long Term Debt And Capital Lease Obligations Current And Non Current

Total debt shown on the balance sheet is comprised of the following: 

	September 29, 2016				December 31, 2015
	Current		Noncurrent		Current(1)		Noncurrent(1)
Senior unsecured term loan A	$	24.9	$	472.6	$	26.1	$	479.7
Senior notes due 2020	—		—		—		296.3
Senior notes due 2022	—		293.5		—		292.7
Senior notes due 2026	—		296.9		—		—
Malaysian term loan	1.7		—		2.1		1.1
Present value of capital lease obligations	0.6		8.1		0.6		8.5
Other	7.0		—		6.1		7.0
Total	$	34.2	$	1,071.1	$	34.9	$	1,085.3

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Pension and Other Post-Retirement Benefits (Tables)

9 Months Ended

Sep. 29, 2016

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Change in projected benefit obligations

3.Pension and Other Post-Retirement Benefits

	Defined Benefit Plans
	For the Three Months Ended						For the Nine Months Ended
Components of Net Periodic Pension Expense/(Income)	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
Service cost	$	0.2		$	0.2		$	0.8		$	0.7
Interest cost	11.4			12.0			34.5			35.8
Expected return on plan assets	(19.7		)	(20.7		)	(59.0		)	(62.2		)
Amortization of net loss	1.6			0.8			4.0			2.7
Special termination benefits(1)	—			—			10.9			—
Net periodic pension income	$	(6.5	)	$	(7.7	)	$	(8.8	)	$	(23.0	)

(1) Special termination benefits related to early retirement incentives offered as part of a voluntary r

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Equity (Tables)

9 Months Ended

Sep. 29, 2016

Stockholders' Equity Note [Abstract]

Basic and Diluted Earnings per share

The following table sets forth the computation of basic and diluted earnings per share:

	For the Three Months Ended
	September 29, 2016					October 1, 2015
	Income		Shares	Per Share Amount		Income		Shares	Per Share Amount
Basic EPS
Income available to common shareholders	$	144.9	124.4	$	1.16	$	313.3	139.3	$	2.25
Income allocated to participating securities	0.2		0.1			0.3		0.1
Net income	$	145.1				$	313.6
Diluted potential common shares			0.8					0.8
Diluted EPS
Net income	$	145.1	125.3	$	1.16	$	313.6	140.2	$	2.24

	For the Nine Months Ended
	September 29, 2016					October 1, 2015
	Income		Shares	Per Share Amount		Income		Shares	Per Share Amount
Basic EPS
Income available to common shareholders	$	361.2	128.2	$	2.82	$	649.8	139.1	$	4.67
Income allocated to participating securities	0.3		0.1			0.6		0.2
Net income	$	361.5				$	650.4
Diluted potential common shares			0.7					0.8
Diluted EPS
Net income	$	361.5	129.0	$	2.80	$	650.4	140.1	$	4.64

Schedule of Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Loss is summarized by component as follows:

	As of			As of
	September 29, 2016			December 31, 2015
Pension	$	(119.7	)	$	(121.5	)
Interest rate swaps	—			(0.4		)
SERP/Retiree medical	5.9			6.1
Foreign currency impact on long term intercompany loan	(14.7		)	(9.2		)
Currency translation adjustment	(74.9		)	(35.5		)
Total accumulated other comprehensive loss	$	(203.4	)	$	(160.5	)

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Commitments, Contingencies and Guarantees (Tables)

9 Months Ended

Sep. 29, 2016

Commitments Contingencies And Guarantees [Abstract]

Service warranty roll forward

The following is a roll forward of the service warranty and extraordinary rework balance at September 29, 2016:

Balance, December 31, 2015	$	158.7
Charges to costs and expenses	15.0
Payouts	(8.6		)
Exchange rate	(0.7		)
Balance, September 29, 2016	$	164.4

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Other Income (Expense), Net (Tables)

9 Months Ended

Sep. 29, 2016

Other Nonoperating Income (Expense) [Abstract]

Other Income Expense Net

Other expense, net is summarized as follows:

	For the Three Months Ended						For the Nine Months Ended
	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
KDFA bond	$	0.8		$	0.8		$	2.7		$	2.9
Rental and miscellaneous income (expense)(1)	0.2			(0.2		)	0.3			(2.1		)
Interest income	1.0			0.7			2.7			1.4
Foreign currency losses	(2.3		)	(3.8		)	(14.4		)	(3.0		)
Total	$	(0.3	)	$	(2.5	)	$	(8.7	)	$	(0.8	)

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Segment Information (Tables)

9 Months Ended

Sep. 29, 2016

Segment Reporting [Abstract]

Segment Information

The following table shows segment revenues and operating income for the three and nine months ended September 29, 2016 and October 1, 2015:

	Three Months Ended						Nine Months Ended
	September 29, 2016			October 1, 2015			September 29, 2016			October 1, 2015
Segment Revenues
Fuselage Systems(1)	$	880.3		$	819.8		$	2,679.7		$	2,624.2
Propulsion Systems	453.0			429.5			1,373.3			1,316.0
Wing Systems	376.8			341.2			1,161.5			1,085.4
All Other (1)	1.3			3.1			8.4			8.9
	$	1,711.4		$	1,593.6		$	5,222.9		$	5,034.5
Segment Operating Income
Fuselage Systems (1)	$	142.5		$	130.7		$	340.9		$	463.2
Propulsion Systems	77.5			95.1			250.9			279.0
Wing Systems	51.1			45.6			174.7			140.9
All Other (1)	0.6			0.2			2.0			1.3
	271.7			271.6			768.5			884.4
Corporate SG&A	(52.2		)	(54.5		)	(172.4		)	(159.9		)
Research and development	(5.4		)	(6.5		)	(15.9		)	(20.2		)
Unallocated cost of sales (2)	0.3			(19.0		)	(16.0		)	(47.1		)
Total operating income	$	214.4		$	191.6		$	564.2		$	657.2

(1) Includes a reclassification of $10.2 of revenues and $1.8 of operating income from the Other segment to the Fuselage segment for the nine months ended September 29, 2016.

(2) Includes $7.7 and $11.8 of warranty reserve for the three months ended September 29, 2016 and October 1, 2015, respectively, and $12.0 and $34.2 for the nine months ended September 29, 2016 and October 1, 2015, respectively.

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Condensed Consolidating Financial Information (Tables)

9 Months Ended

Sep. 29, 2016

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Income Statement

Condensed Consolidating Statements of Operations

For the Three Months Ended September 29, 2016

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net revenues	$	—		$	1,549.3		$	308.7		$	(146.6	)	$	1,711.4
Operating costs and expenses
Cost of sales	—			1,298.8			287.2			(146.6		)	1,439.4
Selling, general and administrative	2.2			46.6			3.4			—			52.2
Research and development	—			5.0			0.4			—			5.4
Total operating costs and expenses	2.2			1,350.4			291.0			(146.6		)	1,497.0
Operating (loss) income	(2.2		)	198.9			17.7			—			214.4
Interest expense and financing fee amortization	—			(12.1		)	(1.9		)	1.8			(12.2		)
Other income (expense), net	—			4.0			(2.5		)	(1.8		)	(0.3		)
(Loss) income before income taxes and equity in net income of affiliate and subsidiaries	(2.2		)	190.8			13.3			—			201.9
Income tax benefit (provision)	0.6			(55.8		)	(2.1		)	—			(57.3		)
(Loss) income before equity in net income of affiliate and subsidiaries	(1.6		)	135.0			11.2			—			144.6
Equity in net income of affiliate	0.5			—			0.5			(0.5		)	0.5
Equity in net income of subsidiaries	146.2			11.2			—			(157.4		)	—
Net income	145.1			146.2			11.7			(157.9		)	145.1
Other comprehensive (loss) income	(8.5		)	(8.5		)	(17.7		)	26.2			(8.5		)
Comprehensive income (loss)	$	136.6		$	137.7		$	(6.0	)	$	(131.7	)	$	136.6

Condensed Consolidating Statements of Operations

For the Three Months Ended October 1, 2015

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net revenues	$	—		$	1,457.7		$	238.1		$	(102.2	)	$	1,593.6
Operating costs and expenses
Cost of sales	—			1,227.7			215.5			(102.2		)	1,341.0
Selling, general and administrative	1.3			47.8			5.4			—			54.5
Research and development	—			6.0			0.5			—			6.5
Total operating costs and expenses	1.3			1,281.5			221.4			(102.2		)	1,402.0
Operating (loss) income	(1.3		)	176.2			16.7			—			191.6
Interest expense and financing fee amortization	—			(11.6		)	(1.8		)	1.7			(11.7		)
Other income (expense), net	—			2.8			(3.6		)	(1.7		)	(2.5		)
(Loss) income before income taxes and equity in net income of affiliate and subsidiaries	(1.3		)	167.4			11.3			—			177.4
Income tax (provision) benefit	(1.5		)	139.9			(2.5		)	—			135.9
(Loss) income before equity in net income of affiliate and subsidiaries	(2.8		)	307.3			8.8			—			313.3
Equity in net income of affiliate	0.3			—			0.3			(0.3		)	0.3
Equity in net income of subsidiaries	316.1			8.7			—			(324.8		)	—
Net income	313.6			316.0			9.1			(325.1		)	313.6
Other comprehensive (loss) income	(11.4		)	(11.4		)	(10.7		)	22.1			(11.4		)
Comprehensive income (loss)	$	302.2		$	304.6		$	(1.6	)	$	(303.0	)	$	302.2

Condensed Balance Sheet

Condensed Consolidating Balance Sheet

September 29, 2016

	Holdings		Spirit		Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Current assets
Cash and cash equivalents	$	—	$	609.4	$	61.0	$	—		$	670.4
Accounts receivable, net	—		868.3		242.8		(362.5		)	748.6
Inventory, net	—		1,024.0		464.1		—			1,488.1
Other current assets	—		19.0		6.1		—			25.1
Total current assets	—		2,520.7		774.0		(362.5		)	2,932.2
Property, plant and equipment, net	—		1,397.7		537.0		—			1,934.7
Pension assets, net	—		244.3		11.8		—			256.1
Investment in subsidiary	1,809.3		542.6		—		(2,351.9		)	—
Other assets	—		429.9		98.3		(290.0		)	238.2
Total assets	$	1,809.3	$	5,135.2	$	1,421.1	$	(3,004.4	)	$	5,361.2
Current liabilities
Accounts payable	$	—	$	525.7	$	428.6	$	(362.5	)	$	591.8
Accrued expenses	—		191.3		35.7		—			227.0
Profit sharing	—		61.9		2.1		—			64.0
Current portion of long-term debt	—		31.9		2.3		—			34.2
Advance payments, short-term	—		201.4		—		—			201.4
Deferred revenue and other deferred credits, short-term	—		310.1		1.4		—			311.5
Deferred grant income liability - current	—		—		13.8		—			13.8
Other current liabilities	—		84.2		0.4		—			84.6
Total current liabilities	—		1,406.5		484.3		(362.5		)	1,528.3
Long-term debt	—		1,063.0		218.1		(210.0		)	1,071.1
Advance payments, long-term	—		382.5		—		—			382.5
Pension/OPEB obligation	—		71.6		—		—			71.6
Deferred grant income liability - non-current	—		—		68.5		—			68.5
Deferred revenue and other deferred credits	—		163.3		4.0		—			167.3
Other liabilities	—		318.9		23.7		(80.0		)	262.6
Total equity	1,809.3		1,729.4		622.5		(2,351.9		)	1,809.3
Total liabilities and shareholders’ equity	$	1,809.3	$	5,135.2	$	1,421.1	$	(3,004.4	)	$	5,361.2

Condensed Consolidating Balance Sheet

December 31, 2015

	Holdings		Spirit		Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Current assets
Cash and cash equivalents	$	—	$	894.2	$	63.1	$	—		$	957.3
Accounts receivable, net	—		686.3		216.5		(365.8		)	537.0
Inventory, net	—		1,229.0		545.3		0.1			1,774.4
Other current assets	—		24.4		6.0		—			30.4
Total current assets	—		2,833.9		830.9		(365.7		)	3,299.1
Property, plant and equipment, net	—		1,393.1		557.6		—			1,950.7
Pension assets, net	—		233.3		13.6		—			246.9
Investment in subsidiary	2,120.0		537.8		0.1		(2,657.9		)	—
Other assets	—		504.7		104.0		(340.9		)	267.8
Total assets	$	2,120.0	$	5,502.8	$	1,506.2	$	(3,364.5	)	$	5,764.5
Current liabilities
Accounts payable	$	—	$	538.2	$	445.8	$	(365.8	)	$	618.2
Accrued expenses	—		195.0		35.2		—			230.2
Profit sharing	—		58.3		3.3		—			61.6
Current portion of long-term debt	—		32.2		2.7		—			34.9
Advance payments, short-term	—		178.3		—		—			178.3
Deferred revenue and other deferred credits, short-term	—		281.7		3.8		—			285.5
Deferred grant income liability - current	—		—		11.9		—			11.9
Other current liabilities	—		34.7		3.0		—			37.7
Total current liabilities	—		1,318.4		505.7		(365.8		)	1,458.3
Long-term debt	—		1,075.7		270.6		(261.0		)	1,085.3
Advance payments, long-term	—		507.4		—		—			507.4
Pension/OPEB obligation	—		67.7		—		—			67.7
Deferred grant income liability - non-current	—		—		82.3		—			82.3
Deferred revenue and other deferred credits	—		165.6		4.4		—			170.0
Other liabilities	—		328.2		25.3		(80.0		)	273.5
Total equity	2,120.0		2,039.8		617.9		(2,657.7		)	2,120.0
Total liabilities and shareholders’ equity	$	2,120.0	$	5,502.8	$	1,506.2	$	(3,364.5	)	$	5,764.5

Condensed Cash Flow Statement

Condensed Consolidating Statements of Cash Flows

For the Nine Months Ended September 29, 2016

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments		Total
Operating activities
Net cash provided by (used in) operating activities	$	—		$	481.3		$	93.1		$	—	$	574.4
Investing activities
Purchase of property, plant and equipment	—			(121.4		)	(35.4		)	—		(156.8		)
Proceeds from sale of assets	—			0.6			—			—		0.6
Other	—			0.4			(0.4		)	—		—
Net cash used in investing activities	—			(120.4		)	(35.8		)	—		(156.2		)
Financing activities
Proceeds from issuance of bonds	—			299.8			—			—		299.8
Principal payments of debt	—			(14.4		)	(2.3		)	—		(16.7		)
Payment on bonds	—			(300.0		)	—			—		(300.0		)
Collection on (repayment of) intercompany debt	—			51.0			(51.0		)	—		—
Taxes paid related to net share settlement of awards	—			(15.2		)	—			—		(15.2		)
Excess tax benefit of share-based payment arrangements	—			(0.1		)	—			—		(0.1		)
Debt issuance and financing costs	—			(17.2		)	—			—		(17.2		)
Proceeds (payments) from subsidiary for purchase of treasury stock	649.6			(649.6		)	—			—		—
Purchase of treasury stock	(649.6		)	—			—			—		(649.6		)
Net cash used in financing activities	—			(645.7		)	(53.3		)	—		(699.0		)
Effect of exchange rate changes on cash and cash equivalents	—			—			(6.1		)	—		(6.1		)
Net decrease in cash and cash equivalents for the period	—			(284.8		)	(2.1		)	—		(286.9		)
Cash and cash equivalents, beginning of period	—			894.2			63.1			—		957.3
Cash and cash equivalents, end of period	$	—		$	609.4		$	61.0		$	—	$	670.4

Condensed Consolidating Statements of Cash Flows

For the Nine Months Ended October 1, 2015

	Holdings			Spirit			Non-Guarantor Subsidiaries			Consolidating Adjustments		Total
Operating activities
Net cash provided by operating activities	$	—		$	888.9		$	80.5		$	—	$	969.4
Investing activities
Purchase of property, plant and equipment	—			(164.9		)	(51.6		)	—		(216.5		)
Proceeds from sale of assets	—			1.8			—			—		1.8
Other	—			(0.2		)	0.2			—		—
Net cash used in investing activities	—			(163.3		)	(51.4		)	—		(214.7		)
Financing activities
Proceeds from issuance of debt	—			535.0			—			—		535.0
Principal payments of debt	—			(26.7		)	(2.5		)	—		(29.2		)
Payments on term loan	—			(534.9		)	—			—		(534.9		)
Increase (decrease) in intercompany debt	—			17.0			(17.0		)	—		—
Excess tax benefits from share-based payment arrangements	—			10.6			0.1			—		10.7
Collection on (repayment of) intercompany debt	—			(20.7		)	—			—		(20.7		)
Debt issuance and financing costs	—			(4.7		)	—			—		(4.7		)
Proceeds (payments) from subsidiary for purchase of treasury stock	45.9			(45.9		)	—			—		—
Purchase of treasury stock	(45.9		)	—			—			—		(45.9		)
Net cash used in financing activities	—			(70.3		)	(19.4		)	—		(89.7		)
Effect of exchange rate changes on cash and cash equivalents	—			—			(0.2		)	—		(0.2		)
Net increase in cash and cash equivalents for the period	—			655.3			9.5			—		664.8
Cash and cash equivalents, beginning of period	—			354.6			23.3			—		377.9
Cash and cash equivalents, end of period	$	—		$	1,009.9		$	32.8		$	—	$	1,042.7

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Organization and Basis of Interim Presentation (Details)	9 Months Ended
	Sep. 29, 2016
Variable Interest Entity [Line Items]
KIESC Ownership Percentage	77.80%
TSACCL [Member]
Variable Interest Entity [Line Items]
Ownership interest in VIE's	31.50%

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New Accounting Pronouncements New Accounting Pronouncement (Details) $ in Millions	9 Months Ended
	Sep. 29, 2016 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 4.4

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Changes in Estimates (Details) $ / shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2016 USD ($) $ / shares	Oct. 01, 2015 USD ($) $ / shares	Sep. 29, 2016 USD ($) pure / $ $ / shares	Oct. 01, 2015 USD ($) $ / shares
Change In Estimate [Line Items]
Current Period Forward Loss Recorded	$ (1,200,000)		$ (121,900,000)
Cumulative Catch Up Adjustment	$ (4,300,000)	$ 19,000,000	$ 32,000,000	$ 36,400,000
Changes in Contract Estimates, aggregate, Affecting earnings from Continuing Operations, per Share diluted | $ / shares	$ (30)	$ 90	$ (440)	$ 190
Change In Accounting Estimate, aggregate	$ (5,500,000)	$ 19,000,000	$ (89,900,000)	$ 41,500,000
Reduction In Previously Reported Forward-Loss		0		5,100,000
A350 XWB [Member]
Change In Estimate [Line Items]
Contract Block Quantity			800
Current Period Forward Loss Recorded			$ 135,700,000
Cumulative Catch Up Adjustment			8.2
Fuselage Systems [Member]
Change In Estimate [Line Items]
Current Period Forward Loss Recorded	(1,600,000)		(133,000,000)
Cumulative Catch Up Adjustment	(1,900,000)	7,800,000	15,100,000	15,400,000
Reduction In Previously Reported Forward-Loss		0		6,400,000
Fuselage Systems [Member] | A350 XWB [Member]
Change In Estimate [Line Items]
Current Period Forward Loss Recorded	0	0	(135,700,000)	0
Fuselage Systems [Member] | Bell V280 [Member]
Change In Estimate [Line Items]
Reduction In Previously Reported Forward-Loss	0	0	300,000	0
Fuselage Systems [Member] | Boeing - all other platforms [Member]
Change In Estimate [Line Items]
Reduction In Previously Reported Forward-Loss	(1,600,000)	0	2,400,000	6,400,000
Wing Systems [Member]
Change In Estimate [Line Items]
Cumulative Catch Up Adjustment	(800,000)	2,800,000	18,700,000	1,200,000
Reduction In Previously Reported Forward-Loss	900,000	0	5,100,000	0
Wing Systems [Member] | A350 XWB [Member]
Change In Estimate [Line Items]
Reduction In Previously Reported Forward-Loss	1,500,000	0	1,500,000	0
Wing Systems [Member] | Boeing - all other platforms [Member]
Change In Estimate [Line Items]
Reduction In Previously Reported Forward-Loss	(600,000)	0	3,600,000	0
Propulsion Systems [Member]
Change In Estimate [Line Items]
Current Period Forward Loss Recorded	(500,000)	0		(1,300,000)
Cumulative Catch Up Adjustment	(1,600,000)	8,400,000	(1,800,000)	19,800,000
Reduction In Previously Reported Forward-Loss			6,000,000
Propulsion Systems [Member] | Boeing - all other platforms [Member]
Change In Estimate [Line Items]
Current Period Forward Loss Recorded	(500,000)	0		(1,300,000)
Reduction In Previously Reported Forward-Loss			2,600,000
Propulsion Systems [Member] | Rolls-Royce [Member]
Change In Estimate [Line Items]
Reduction In Previously Reported Forward-Loss	$ 0	$ 0	$ 3,400,000	$ 0

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Accounts Receivable, net (Details) - USD ($) $ in Millions	Sep. 29, 2016	Dec. 31, 2015
Accounts Receivable, Net, Current [Abstract]
Trade receivables	$ 720.1	$ 524.3
Other	33.7	18.8
Less: allowance for doubtful accounts	(5.2)	(6.1)
Accounts receivable, net	$ 748.6	$ 537.0

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Inventory (Details) - USD ($) $ in Millions	Sep. 29, 2016	Dec. 31, 2015
Summary Of Inventories [Abstract]
Raw materials	$ 266.6	$ 253.8
Work-in-process	736.9	854.4
Finished goods	35.2	65.7
Product inventory	1,038.7	1,173.9
Capitalized pre-production	109.8	167.8
Deferred Production Costs	747.6	1,315.4
Forward loss provision	(408.0)	(882.7)
Total inventory, net	$ 1,488.1	$ 1,774.4

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Inventory (Details 1) - USD ($)	3 Months Ended	9 Months Ended
	Oct. 01, 2015	Oct. 01, 2015	Sep. 29, 2016	Dec. 31, 2015
Inventory By Platform [Abstract]
Inventory			$ 972,100,000	$ 1,100,900,000
Non Recurring Production Costs Included In Inventory [Abstract]
Nonrecurring production cost included in inventory			66,600,000	73,000,000
Capitalized Preproduction Costs Included In Inventory [Abstract]
Capitalized pre-production			109,800,000	167,800,000
Deferred Production Costs			747,600,000	1,315,400,000
Forward loss provision			(408,000,000)	(882,700,000)
Total inventory, net			1,488,100,000	1,774,400,000
Reduction In Previously Reported Forward-Loss	$ 0	$ 5,100,000
B787 [Member]
Capitalized Preproduction Costs Included In Inventory [Abstract]
Deferred Production Costs				558.5
Forward loss provision				606.0
Airbus Three Hundred Fifty XWB [Member]
Inventory By Platform [Abstract]
Inventory			158,200,000	148,700,000
Non Recurring Production Costs Included In Inventory [Abstract]
Nonrecurring production cost included in inventory			33,200,000	35,300,000
Capitalized Preproduction Costs Included In Inventory [Abstract]
Capitalized pre-production			86,600,000	94,200,000
Deferred Production Costs			678,000,000	679,400,000
Forward loss provision			(247,800,000)	(113,800,000)
Total inventory, net			708,200,000	843,800,000
Airbus - All other platforms [Member]
Inventory By Platform [Abstract]
Inventory			92,300,000	90,800,000
Non Recurring Production Costs Included In Inventory [Abstract]
Nonrecurring production cost included in inventory			0	0
Capitalized Preproduction Costs Included In Inventory [Abstract]
Capitalized pre-production			0	0
Deferred Production Costs			(9,800,000)	9,200,000
Forward loss provision			0	0
Total inventory, net			82,500,000	100,000,000
Rolls-Royce
Inventory By Platform [Abstract]
Inventory			13,700,000	12,500,000
Non Recurring Production Costs Included In Inventory [Abstract]
Nonrecurring production cost included in inventory			0	0
Capitalized Preproduction Costs Included In Inventory [Abstract]
Capitalized pre-production			18,300,000	25,900,000
Deferred Production Costs			108,900,000	95,700,000
Forward loss provision			(140,900,000)	(134,100,000)
Total inventory, net			0	0
Contract Liability			1,900,000	12,200,000
Other platforms [Member]
Inventory By Platform [Abstract]
Inventory			16,200,000	134,300,000
Non Recurring Production Costs Included In Inventory [Abstract]
Nonrecurring production cost included in inventory			5,400,000	4,900,000
Capitalized Preproduction Costs Included In Inventory [Abstract]
Capitalized pre-production			0	0
Deferred Production Costs			7,700,000	5,400,000
Forward loss provision			(200,000)	0
Total inventory, net			29,100,000	144,600,000
Boeing - all platforms [Member]
Inventory By Platform [Abstract]
Inventory			691,700,000	714,600,000
Non Recurring Production Costs Included In Inventory [Abstract]
Nonrecurring production cost included in inventory			28,000,000	32,800,000
Capitalized Preproduction Costs Included In Inventory [Abstract]
Capitalized pre-production			4,900,000	47,700,000
Deferred Production Costs			(37,200,000)	525,700,000
Forward loss provision			(19,100,000)	(634,800,000)
Total inventory, net			$ 668,300,000	$ 686,000,000

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Inventory (Details 2)	3 Months Ended	9 Months Ended
	Sep. 29, 2016 ship_set	Sep. 29, 2016 pure / $
Airbus Three Hundred Fifty XWB [Member]
Block And Order Detail [Abstract]
Contract Block Quantity		800
Orders		769
Contract Block Deliveries	114
Rolls-Royce
Block And Order Detail [Abstract]
Contract Block Quantity		350
Orders		320
Contract Block Deliveries	238

XML

Property, Plant and Equipment (Details) - USD ($) $ in Millions	Sep. 29, 2016	Dec. 31, 2015
Property, plant and equipment, net
Land	$ 15.0	$ 16.5
Buildings (including improvements)	629.1	585.4
Machinery and equipment	1,314.5	1,210.6
Tooling	972.7	927.2
Capitalized software	239.7	219.7
Construction-in-progress	185.5	278.6
Total	3,356.5	3,238.0
Less: accumulated depreciation	(1,421.8)	(1,287.3)
Property, plant and equipment, net	$ 1,934.7	$ 1,950.7

XML

Property, Plant and Equipment (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Oct. 01, 2015
Property Plant And Equipment Textuals [Abstract]
Repair and maintenance costs	$ 31.2	$ 33.6	$ 85.5	$ 96.6
Depreciation expense related to capitalized software	$ 4.5	$ 4.2	$ 13.4	$ 12.7

XML

Other Assets (Details) - USD ($) $ in Millions	Sep. 29, 2016	Dec. 31, 2015
Intangible assets
Total intangible assets	$ 8.2	$ 8.2
Intangible assets, net	2.4	2.8
Deferred financing costs	38.5	36.8
Less: Accumulated amortization-deferred financing costs	(31.8)	(30.3)
Deferred financing costs, net (1)	6.7	6.5
Goodwill - Europe	2.4	2.7
Equity in net assets of affiliates	4.5	3.2
Customer Supply Agreement	19.6	29.3
Restricted Cash and Investments, Noncurrent	19.9	19.9
Deferred Tax Assets, Net, Noncurrent	133.2	162.8
Other	49.5	40.6
Total	238.2	267.8
Patents [Member]
Intangible assets
Total intangible assets	1.9	1.9
Less: Accumulated amortization	(1.7)	(1.6)
Favorable Leasehold Interests [Member]
Intangible assets
Total intangible assets	6.3	6.3
Less: Accumulated amortization	$ (4.1)	$ (3.8)

XML

Other Assets (Details Textuals) - USD ($) $ in Millions	9 Months Ended
	Sep. 29, 2016	Dec. 31, 2015
Other Assets, Noncurrent [Abstract]
New Accounting Pronouncement or Change in Accounting Principle Debt Issuance Costs Reclassified to a Reduction in Long term Debt Net		$ 13.0
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 4.4

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Advance Payments and Deferred Revenue/Credits (Details) $ in Millions	9 Months Ended
	Sep. 29, 2016 USD ($) pure / $	Dec. 31, 2015 USD ($)
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	$ 1,062.7	$ 1,141.2
B737 [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	17.6	13.8
B787 [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	867.4	909.3
Airbus Three Hundred Fifty XWB [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	145.1	183.5
Airbus - All other platforms [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	2.5	4.0
Other Inventory [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	$ 30.1	$ 30.6
Minimum [Member]
Advance payments and deferred revenue/credits summarized
Boeing Advance Payment ShipSet	1,001
Maximum [Member]
Advance payments and deferred revenue/credits summarized
Boeing Advance Payment ShipSet	1,120

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Government Grants (Details) $ in Millions	9 Months Ended
	Sep. 29, 2016 USD ($)
Government Grants [Abstract]
Deferred Grant Income Liability beginning balance	$ 94.2
Deferred Grant Income Liability Net [Abstract]
Grant Liability Recorded	(8.6)
Deferred Grant Income Liability	82.3
Exchange Rate Effect On Deferred Grant Income Liability	$ (3.3)

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Government Grants (Details 1) $ in Millions	9 Months Ended
	Sep. 29, 2016 USD ($)
Asset Related To Deferred Grant Income Net [Abstract]
Amortization	$ (3.7)
Exchange rate	(3.3)
Asset Related To Deferred Grant Income Ending Balance	106.6
Asset Related to Deferred Grant Income Ending Balance	$ 99.6

XML

Government Grants (Details Textuals)	9 Months Ended
	Sep. 29, 2016
Government Grants Textuals [Abstract]
Deferred Grant Income Amortization Period	10 years

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Fair Value Measurements (Details) - USD ($) $ in Millions	Sep. 29, 2016	Dec. 31, 2015
Carrying amount and estimated fair value of long term debt
Carrying Amount	$ 1,089.6	$ 1,098.0
Fair Value	1,114.2	1,119.7
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Money Market Fund [Member]
Fair Value Measurements
Money Market Fund		90.2
Reported Value Measurement [Member] | Money Market Fund [Member]
Fair Value Measurements
Money Market Fund		90.2
Assets Measured At Fair Value [Member] | Money Market Fund [Member]
Fair Value Measurements
Money Market Fund		90.2
Liabilities Measured At Fair Value [Member] | Money Market Fund [Member]
Fair Value Measurements
Money Market Fund		0.0
Secured Debt Term A [Member]
Debt Instrument [Line Items]
Secured Debt, Current	24.9	26.1
Secured Long-term Debt, Noncurrent	472.6	479.7
Carrying amount and estimated fair value of long term debt
Carrying Amount	497.5	505.8
Fair Value	494.4	501.6
Senior Unsecured Notes Due 2020 [Member]
Carrying amount and estimated fair value of long term debt
Carrying Amount	0.0	296.3
Fair Value	0.0	310.5
Senior unsecured notes due 2022 [Member]
Carrying amount and estimated fair value of long term debt
Carrying Amount	293.5	292.7
Fair Value	308.6	304.8
SeniorUnsecuredNotesDueTwoThousandAndTwentySix [Member] [Member]
Carrying amount and estimated fair value of long term debt
Carrying Amount	296.9
Fair Value	309.7
Malaysian loan [Member]
Carrying amount and estimated fair value of long term debt
Carrying Amount	1.7	3.2
Fair Value	$ 1.5	$ 2.8

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Derivative and Hedging Activities (Details) - USD ($)
$ in Millions

9 Months Ended

Sep. 29, 2016

Oct. 01, 2015

Derivative [Line Items]

Interest Rate Swaps [Table Text Block]

During the first quarter of 2015, as a result of Amendment No. 5 to its Credit Agreement, the Company unwound its interest rate swap agreements which had a notional amount of $250.0. The company recognized a loss of $0.4 as a result of unwinding these interest rate swaps. This loss on derivatives not designated as hedging instruments is included in Other Expense on the Consolidated Statement of Operations for the nine months ended October 1, 2015. In total, the Company paid $2.0 as a result of the settlement of the interest rate swap agreements.

As of September 29, 2016 and December 31, 2015, the Company had no outstanding interest rate swap agreements.

Interest Rate Swaps

Derivative Instruments Not Designated as Hedging Instruments, Loss

$ 0.4

Interest Rate Swap [Member]

Derivative [Line Items]

Derivative, Notional Amount, Unwound swap

$ 250.0

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Derivative and Hedging Activities (Details Textual) - USD ($) $ in Millions	9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015
Derivatives Fair Value [Line Items]
Total payment of swap settlement		$ 2.0
LIBOR floor	0.75%
Interest Rate Swap [Member]
Derivatives Fair Value [Line Items]
Derivative, Notional Amount, Unwound swap		$ 250.0

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Debt (Details) - USD ($) $ in Millions	Sep. 29, 2016	Dec. 31, 2015
Long Term Debt And Capital Lease Obligations Current And Non Current [Abstract]
Loans Payable to Bank, Current	$ 1.7	$ 2.1
Loans Payable to Bank, Noncurrent	0.0	1.1
Capital Lease Obligations, Current	0.6	0.6
Capital Lease Obligations, Noncurrent	8.1	8.5
Other Long-term Debt, Current	7.0	6.1
Other Long-term Debt, Noncurrent	0.0	7.0
Long-term Debt and Capital Lease Obligations, Current	34.2	34.9
Long-term Debt and Capital Lease Obligations	1,071.1	1,085.3
Secured Debt Term A [Member]
Debt Disclosure [Abstract]
Secured Debt, Current	24.9	26.1
Secured Long-term Debt, Noncurrent	472.6	479.7
Senior Unsecured Notes Due 2020 [Member]
Long Term Debt And Capital Lease Obligations Current And Non Current [Abstract]
Senior Notes, Current	0.0	0.0
Senior Notes, Noncurrent	0.0	296.3
Senior unsecured notes due 2022 [Member]
Long Term Debt And Capital Lease Obligations Current And Non Current [Abstract]
Senior Notes, Current	0.0	0.0
Senior Notes, Noncurrent	293.5	$ 292.7
Senior Unsecured Notes Due 2026 [Member]
Long Term Debt And Capital Lease Obligations Current And Non Current [Abstract]
Senior Notes, Noncurrent	$ 296.9

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Debt (Details Textual)	3 Months Ended	9 Months Ended
	Sep. 29, 2016 USD ($)	Sep. 29, 2016 USD ($)	Oct. 01, 2015 USD ($)	Jun. 01, 2016 USD ($)	May 24, 2016 USD ($)	Dec. 31, 2015 USD ($)	Mar. 18, 2015 USD ($)	Mar. 18, 2014 USD ($)	Nov. 18, 2010 USD ($)
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount				$ 213,600,000
Unsolicited Tender Offer Costs		$ 8,000,000
Debt Instrument, Redemption Price, Percentage		103.375%
Unamortized Debt Issuance Expense						$ 13.0
Line of Credit Facility, Maximum Borrowing Capacity	$ 650,000,000	$ 650,000,000
Senior Secured Credit Facility Term Libor Floor		0.75%
MinimumAdjustmentMarginOnLibor							1.125%
MaximumAdjustmentMarginOnLibor							2.00%
Minimum Adjustment Margin on Base Rate							0.125%
Maximum Adjustment Margin on Base Rate							1.00%
Note Consideration Payment					$ 1,037.25
Incremental Tender Amount					1,000
Optional Revolver Commitment	500,000,000	$ 500,000,000
Senior Unsecured Notes Due 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 300,000,000				$ 300,000,000
Gains (Losses) on Extinguishment of Debt		$ 11,500,000
Debt Instrument, Interest Rate, Stated Percentage									6.75%
MaturityDatefor2020Notes		Dec. 15, 2020
Senior Notes, Noncurrent	0	$ 0				296,300,000
Senior Notes, Current	0	0				0
Senior Unsecured Notes Due 2020 [Member] | Redeemed Notes [Member]
Debt Instrument [Line Items]
Senior Notes, Current	86,400,000	86,400,000
Senior unsecured notes due 2022 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount								$ 300,000,000
Debt Instrument, Interest Rate, Stated Percentage								5.25%
Senior Notes	293,500,000	$ 293,500,000
Maturity Date 2022 Notes		Mar. 15, 2022
Senior Notes, Noncurrent	293,500,000	$ 293,500,000				292,700,000
Senior Notes, Current	0	$ 0				$ 0
Senior Unsecured Notes Due 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 300,000,000
Debt Instrument, Interest Rate, Stated Percentage				3.85%
Maturity Date 2022 Notes		Jun. 15, 2026
Senior Notes, Noncurrent	$ 296,900,000	$ 296,900,000
Amendment Five Term Loan Due 2020 [Member]
Debt Instrument [Line Items]
Gains (Losses) on Extinguishment of Debt			$ 3,600,000
Extinguishment Included In Cash Flow Deferred Financing Fees			3,100,000
Extinguishment Included In Cash Flow Amortization Expense			$ 500,000
Amended and Restated Credit Agreement Due 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount							$ 500,000,000
Maturity Date 2012 Senior Secured Credit Facility Term	Jun. 04, 2021
Credit Agreement Margin on LIBOR							0.015
Margin On Base Rate Borrowing Term Loan							0.50%
Outstanding Balance Term Loan	$ 500,000,000	500,000,000
Gains (Losses) on Extinguishment of Debt		1,400,000
Extinguishment Included In Cash Flow Deferred Financing Fees		400,000
Debt Instrument, Periodic Payment, Principal		6,250,000
Carry Value Term Loan	$ 497,500,000	$ 497,500,000

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Pension and Other Post Retirement Benefits (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Oct. 01, 2015
Defined Benefit Plans [Member]
Pension and Other Post-Retirement Benefits
Service cost	$ 0.2	$ 0.2	$ 0.8	$ 0.7
Interest cost	11.4	12.0	34.5	35.8
Expected return on plan assets	(19.7)	(20.7)	(59.0)	(62.2)
Amortization of net loss	1.6	0.8	4.0	2.7
Defined Benefit Plan, Special Termination Benefits	0.0	0.0	10.9	0.0
Net periodic pension income	(6.5)	(7.7)	(8.8)	(23.0)
Other Benefits [Member]
Pension and Other Post-Retirement Benefits
Service cost	0.5	0.6	1.4	1.7
Interest cost	0.5	0.5	1.6	1.6
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(0.2)	0.0	(0.7)	0.0
Defined Benefit Plan, Special Termination Benefits	0.0	0.0	3.1	0.0
Net periodic pension income	$ 0.8	$ 1.1	5.4	$ 3.3
U.K. pension plan [Member]
Pension And Other Post Retirement Benefits Textuals [Abstract]
Expected UK Pension Plan Contribution For The Year			0.0
Supplemental Executive Retirement Plan [Member]
Pension And Other Post Retirement Benefits Textuals [Abstract]
Defined Benefit Plan Estimated Future Employer Contributions Remainder Of Year			$ 6.8

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Stock Compensation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Oct. 01, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service Based Portion of LTIA	75.00%		75.00%
Market Based Portion of LTIA	25.00%		25.00%
Company recognized total stock compensation expense, net of forfeitures			$ 35.7	$ 19.0
Service Based LTIP Vesting Period			3 years
LTIA AND Prior Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Company recognized total stock compensation expense, net of forfeitures	$ 6.3	$ 7.0	$ 35.2	19.0
Class A [Member] | Service Based LTIA [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted	4,575		623,620
Fair Value Of Shares Granted	$ 0.2		$ 27.4
Class A [Member] | Market Based LTIA [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted			206,132
Fair Value Of Shares Granted			$ 10.9
Class A [Member] | Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Vested	12,839		502,909
Grant date value of shares vested	$ 0.4		$ 14.9
Selling General And Administrative Expense [Member] | LTIA AND Prior Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Company recognized total stock compensation expense, net of forfeitures	$ 6.3	$ 7.0	$ 35.2	$ 19.0

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Income Tax (details) - USD ($) $ in Millions	9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Dec. 31, 2015
Income Taxes Textuals [Abstract]
Deferred tax assets net total	$ (118.4)		$ (149.7)
Valuation Allowance [Line Items]
Excess Tax Benefit from Share-based Compensation, Operating Activities	$ (0.1)	$ 10.7
Effective tax rate	29.10%	(5.70%)
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 4.4

XML

Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Oct. 01, 2015	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Common Stock, Dividends, Per Share, Declared			$ 0.10
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (203.4)		$ (203.4)		$ (160.5)
Basic EPS
Income available to common shareholders	$ 144.9	$ 313.3	$ 361.2	$ 649.8
Income available to common shareholders, shares	124.4	139.3	128.2	139.1
Income available to common shareholders, per share amount	$ 1.16	$ 2.25	$ 2.82	$ 4.67
Income allocated to participating securities	$ 0.2	$ 0.3	$ 0.3	$ 0.6
Income allocated to participating securities, shares	0.1	0.1	0.1	0.2
Net income	$ 145.1	$ 313.6	$ 361.5	$ 650.4
Diluted potential common shares	0.8	0.8	0.7	0.8
Diluted EPS
Net income	$ 145.1	$ 313.6	$ 361.5	$ 650.4
Shares	125.3	140.2	129.0	140.1
Per share amount	$ 1.16	$ 2.24	$ 2.80	$ 4.64
Equity Textuals [Abstract]
Common shares, outstanding	121.7	141.2	121.7	141.2
Common shares outstanding issued but unvested	1.6	1.8	1.6	1.8
Noncontrolling interest	$ 0.5		$ 0.5		0.5
Pension [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(119.7)		(119.7)		(121.5)
SERP and Retiree medical [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	5.9		5.9		6.1
Foreign currency impact on long term intercompany loan [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(14.7)		(14.7)		(9.2)
Currency translation adjustment [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(74.9)		(74.9)		(35.5)
Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	$ 0.0		$ 0.0		$ (0.4)

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Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Oct. 01, 2015	Dec. 31, 2015
Related Party Transaction [Line Items]
Amount paid for services rendered ($0.1 and less than $0.1 respectively)	$ 3.8	$ 2.1	$ 10.9	$ 12.5
Amounts owed to supplier and recorded as accrued liabilities	$ 1.3		$ 1.3		$ 4.0

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Commitments, Contingencies and Guarantees (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 29, 2016	Sep. 29, 2016	Dec. 31, 2015
Commitments Contingencies And Guarantees [Abstract]
Loss Contingency Accrual	$ 25.0	$ 25.0	$ 25.0
Current Period Forward Loss Recorded	(1.2)	(121.9)
Service warranty roll forward
Product Warranty And Extraordinary Rework		158.7
Charges to costs and expenses	15.0
Product Warranty Accrual, Payments	(8.6)
Product Warranty And Extraordinary Rework	164.4	164.4
Product Warranty Extraordinary Rework Accrual Currency Translation Increase Decrease	(0.7)
Commitments Contingencies And Guarantees Textuals [Abstract]
Outstanding amount of guarantees	21.6	21.6	20.1
Restricted Cash and Investments, Noncurrent	$ 19.9	$ 19.9	$ 19.9

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Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Oct. 01, 2015
Other Nonoperating Income (Expense) [Abstract]
KDFA bond	$ 0.8	$ 0.8	$ 2.7	$ 2.9
Rental and miscellaneous income (expense)(1)	0.2	(0.2)	0.3	(2.1)
Interest Income, Other	1.0	0.7	2.7	1.4
Foreign currency losses	(2.3)	(3.8)	(14.4)	(3.0)
Total	$ (0.3)	$ (2.5)	$ (8.7)	(0.8)
Loss on Derivative Settlement				$ 2.0

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Segment Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016 USD ($)	Oct. 01, 2015 USD ($)	Sep. 29, 2016 USD ($) segment customer	Oct. 01, 2015 USD ($)
Segment Revenues
Revenues	$ 1,711.4	$ 1,593.6	$ 5,222.9	$ 5,034.5
Segment Operating Income
Business Segment Operating Income	271.7	271.6	768.5	884.4
Segment Information Unallocated Corporate Selling General And Administrative	(52.2)	(54.5)	(172.4)	(159.9)
Segment Information Unallocated Research And Development	(5.4)	(6.5)	(15.9)	(20.2)
Segment Information Unallocated Cost Of Sales	0.3	(19.0)	(16.0)	(47.1)
Operating income	214.4	191.6	564.2	657.2
Segment Reporting Information, Additional Information [Abstract]
Forward Loss Recorded For The Period	(1.2)		$ (121.9)
Reduction In Previously Reported Forward-Loss		0.0		5.1
Number Of Principal Segments | segment			3
Percentage Of Net Revenue Derived From Two Largest Customers			96.00%
Number Of Largest Customers | customer			2
Cumulative Catch Up Adjustment	(4.3)	19.0	$ 32.0	36.4
Product Warranty Expense	7.7	11.8	0.0	0.0
Prior Year Claims and Claims Adjustment Expense	7.9
Early Retirement Incentive	11.8
Fuselage Systems [Member]
Segment Revenues
Segment Revenues	880.3	819.8	2,679.7	2,624.2
Segment Operating Income
Business Segment Operating Income	142.5	130.7	340.9	463.2
Segment Reporting Information, Additional Information [Abstract]
Forward Loss Recorded For The Period	(1.6)		(133.0)
Reduction In Previously Reported Forward-Loss		0.0		6.4
Cumulative Catch Up Adjustment	(1.9)	7.8	15.1	15.4
Propulsion Systems [Member]
Segment Revenues
Segment Revenues	453.0	429.5	1,373.3	1,316.0
Segment Operating Income
Business Segment Operating Income	77.5	95.1	250.9	279.0
Segment Reporting Information, Additional Information [Abstract]
Forward Loss Recorded For The Period	(0.5)	0.0		(1.3)
Reduction In Previously Reported Forward-Loss			6.0
Cumulative Catch Up Adjustment	(1.6)	8.4	(1.8)	19.8
Wing Systems [Member]
Segment Revenues
Segment Revenues	376.8	341.2	1,161.5	1,085.4
Segment Operating Income
Business Segment Operating Income	51.1	45.6	174.7	140.9
Segment Reporting Information, Additional Information [Abstract]
Reduction In Previously Reported Forward-Loss	0.9	0.0	5.1	0.0
Cumulative Catch Up Adjustment	(0.8)	2.8	18.7	1.2
Other Systems [Member]
Segment Revenues
Segment Revenues	1.3	3.1	8.4	8.9
Segment Operating Income
Business Segment Operating Income	0.6	0.2	2.0	1.3
Bell V280 [Member] | Fuselage Systems [Member]
Segment Reporting Information, Additional Information [Abstract]
Reduction In Previously Reported Forward-Loss	0.0	$ 0.0	$ 0.3	$ 0.0
Immaterial reclassification of segment revenue [Member] | Other Systems [Member]
Segment Revenues
Segment Revenues	10.2
Segment Operating Income
Business Segment Operating Income	$ 1.8

XML

Condensed Consolidating Financial Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Oct. 01, 2015	Sep. 29, 2016	Dec. 31, 2015
Condensed Consolidating Statements of Operations [Abstract]
Net revenues	$ 1,711.4	$ 1,593.6	$ 5,222.9	$ 5,034.5
Operating costs and expenses
Cost of sales	1,439.4	1,341.0	4,470.4	4,197.2
Selling, general and administrative	52.2	54.5	172.4	159.9
Research and development	5.4	6.5	15.9	20.2
Total operating costs and expenses	1,497.0	1,402.0	4,658.7	4,377.3
Operating income	214.4	191.6	564.2	657.2
Interest expense and financing fee amortization	(12.2)	(11.7)	(47.5)	(41.7)
Other expense, net	(0.3)	(2.5)	(8.7)	(0.8)
Income (loss) before income taxes and equity in net loss of affiliates and subsidiaries	201.9	177.4	508.0	614.7
Income tax (provision) benefit	(57.3)	135.9	(147.8)	34.8
Income (loss) Before Equity In Net Income (Loss) Of Affiliates and Subsidiaries	144.6	313.3	360.2	649.5
Equity in net income of affiliate	0.5	0.3	1.3	0.9
Equity in net income of subsidiaries	0.0		0.0
Net income	145.1	313.6	361.5	650.4
Total other comprehensive income (loss)	(8.5)	(11.4)	(42.9)	(11.0)
Comprehensive Income, Net of Tax, Attributable to Parent	136.6	302.2	318.6	639.4
Current assets
Cash and cash equivalents	670.4	1,042.7	957.3	377.9	$ 670.4	$ 957.3
Accounts receivable, net					748.6	537.0
Inventory					1,488.1	1,774.4
Other current assets					25.1	30.4
Total current assets					2,932.2	3,299.1
Property, plant and equipment, net					1,934.7	1,950.7
Pension assets					256.1	246.9
Other assets					238.2	267.8
Total assets					5,361.2	5,764.5
Current liabilities
Accounts payable					591.8	618.2
Accrued expenses					227.0	230.2
Profit sharing					64.0	61.6
Current portion of long-term debt					34.2	34.9
Advance payments, short-term					201.4	178.3
Deferred revenue and other deferred credits, short-term					311.5	285.5
Deferred grant income liability - current					13.8	11.9
Other current liabilities					84.6	37.7
Total current liabilities					1,528.3	1,458.3
Long-term debt					1,071.1	1,085.3
Advance payments, long-term					382.5	507.4
Pension/OPEB obligation					71.6	67.7
Deferred grant income liability - non-current					68.5	82.3
Deferred revenue and other deferred credits					167.3	170.0
Other liabilities					262.6	273.5
Total equity					1,809.3	2,120.0
Total liabilities and equity					5,361.2	5,764.5
Operating activities
Net cash (used in) operating activities	574.4	969.4	574.4	969.4
Investing activities
Purchase of property, plant and equipment	(156.8)	(216.5)	(156.8)	(216.5)
Proceeds from Sales of Assets, Investing Activities	0.6			1.8
Payments for (Proceeds from) Other Investing Activities	0.0			0.0
Net cash used in investing activities	(156.2)	(214.7)	(156.2)	(214.7)
Proceeds from Issuance of Senior Long-term Debt			299.8	0.0
Financing activities
Principal payments of debt	(16.7)	(29.2)	(16.7)	(29.2)
Repayments of Senior Debt			(300.0)	0.0
Repayments of Debt		(534.9)	0.0	(534.9)
Collection on (repayment of) intercompany debt		(20.7)
Payments Related to Tax Withholding for Share-based Compensation	(15.2)		(15.2)	(20.7)
Proceeds from Issuance of Long-term Debt		535.0	0.0	535.0
Debt issuance and financing costs		(4.7)	(17.2)	(4.7)
Proceeds from (Payments for) Other Financing Activities	0.0			0.0
Payments for Repurchase of Common Stock	(649.6)		(649.6)	(45.9)
Proceeds from (Repayments of) Restricted Cash, Financing Activities			0.0
Excess tax benefit of share-based payment arrangements	(0.1)		(0.1)	10.7
Net cash used in financing activities	(699.0)	(89.7)	(699.0)	(89.7)
Effect of exchange rate changes on cash and cash equivalents	(6.1)	(0.2)	(6.1)	(0.2)
Net (decrease) increase in cash and cash equivalents for the period	(286.9)	664.8	(286.9)	664.8
Cash and cash equivalents, beginning of period			957.3	377.9
Cash and cash equivalents, end of period	670.4	1,042.7	670.4	1,042.7
Holdings [Member]
Operating costs and expenses
Selling, general and administrative	2.2	1.3	6.0	5.8
Total operating costs and expenses	2.2	1.3	6.0	5.8
Operating income	(2.2)	(1.3)	(6.0)	(5.8)
Income (loss) before income taxes and equity in net loss of affiliates and subsidiaries	(2.2)	(1.3)	(6.0)	(5.8)
Income tax (provision) benefit	0.6	(1.5)	1.8	(0.4)
Income (loss) Before Equity In Net Income (Loss) Of Affiliates and Subsidiaries	(1.6)	(2.8)	(4.2)	(6.2)
Equity in net income of affiliate	0.5	0.3	1.3	0.9
Equity in net income of subsidiaries	146.2	316.1	364.4	655.7
Net income	145.1	313.6	361.5	650.4
Total other comprehensive income (loss)	(8.5)	(11.4)	(42.9)	(11.0)
Comprehensive Income, Net of Tax, Attributable to Parent	136.6	302.2	318.6	639.4
Current assets
Investment in subsidiary					1,809.3	2,120.0
Total assets					1,809.3	2,120.0
Current liabilities
Total equity					1,809.3	2,120.0
Total liabilities and equity					1,809.3	2,120.0
Investing activities
Proceeds from Sales of Assets, Investing Activities	0.0			0.0
Payments for (Proceeds from) Other Investing Activities	0.0			0.0
Proceeds from Issuance of Senior Long-term Debt			0.0
Financing activities
Repayments of Senior Debt			0.0
Repayments of Debt		0.0
Payments Related to Tax Withholding for Share-based Compensation	0.0
Debt issuance and financing costs			0.0
Proceeds from (Payments for) Other Financing Activities	649.6			45.9
Payments for Repurchase of Common Stock	(649.6)			(45.9)
Proceeds from (Repayments of) Restricted Cash, Financing Activities			0.0
Excess tax benefit of share-based payment arrangements	0.0			0.0
Spirit [Member]
Condensed Consolidating Statements of Operations [Abstract]
Net revenues	1,549.3	1,457.7	4,711.7	4,641.2
Operating costs and expenses
Cost of sales	1,298.8	1,227.7	4,047.0	3,881.8
Selling, general and administrative	46.6	47.8	154.4	141.2
Research and development	5.0	6.0	14.4	19.0
Total operating costs and expenses	1,350.4	1,281.5	4,215.8	4,042.0
Operating income	198.9	176.2	495.9	599.2
Interest expense and financing fee amortization	(12.1)	(11.6)	(47.2)	(41.3)
Other expense, net	4.0	2.8	11.5	7.4
Income (loss) before income taxes and equity in net loss of affiliates and subsidiaries	190.8	167.4	460.2	565.3
Income tax (provision) benefit	(55.8)	139.9	(140.1)	43.3
Income (loss) Before Equity In Net Income (Loss) Of Affiliates and Subsidiaries	135.0	307.3	320.1	608.6
Equity in net income of subsidiaries	11.2	8.7	44.3	47.1
Net income	146.2	316.0	364.4	655.7
Total other comprehensive income (loss)	(8.5)	(11.4)	(42.9)	(11.0)
Comprehensive Income, Net of Tax, Attributable to Parent	137.7	304.6	321.5	644.7
Current assets
Cash and cash equivalents	609.4	1,009.9	894.2	354.6	609.4	894.2
Accounts receivable, net					868.3	686.3
Inventory					1,024.0	1,229.0
Other current assets					19.0	24.4
Total current assets					2,520.7	2,833.9
Property, plant and equipment, net					1,397.7	1,393.1
Pension assets					244.3	233.3
Investment in subsidiary					542.6	537.8
Other assets					429.9	504.7
Total assets					5,135.2	5,502.8
Current liabilities
Accounts payable					525.7	538.2
Accrued expenses					191.3	195.0
Profit sharing					61.9	58.3
Current portion of long-term debt					31.9	32.2
Advance payments, short-term					201.4	178.3
Deferred revenue and other deferred credits, short-term					310.1	281.7
Other current liabilities					84.2	34.7
Total current liabilities					1,406.5	1,318.4
Long-term debt					1,063.0	1,075.7
Advance payments, long-term					382.5	507.4
Pension/OPEB obligation					71.6	67.7
Deferred revenue and other deferred credits					163.3	165.6
Other liabilities					318.9	328.2
Total equity					1,729.4	2,039.8
Total liabilities and equity					5,135.2	5,502.8
Operating activities
Net cash (used in) operating activities	481.3	888.9
Investing activities
Purchase of property, plant and equipment	(121.4)	(164.9)
Proceeds from Sales of Assets, Investing Activities	0.6			1.8
Payments for (Proceeds from) Other Investing Activities	0.4			(0.2)
Net cash used in investing activities	(120.4)	(163.3)
Proceeds from Issuance of Senior Long-term Debt			299.8
Financing activities
Principal payments of debt	(14.4)	(26.7)
Repayments of Senior Debt			(300.0)
Repayments of Debt		(534.9)
Collection on (repayment of) intercompany debt	51.0	(20.7)		17.0
Payments Related to Tax Withholding for Share-based Compensation	(15.2)
Proceeds from Issuance of Long-term Debt		535.0
Debt issuance and financing costs		(4.7)	(17.2)
Proceeds from (Payments for) Other Financing Activities	(649.6)			(45.9)
Proceeds from (Repayments of) Restricted Cash, Financing Activities			0.0
Excess tax benefit of share-based payment arrangements	(0.1)			10.6
Net cash used in financing activities	(645.7)	(70.3)
Net (decrease) increase in cash and cash equivalents for the period	(284.8)	655.3
Cash and cash equivalents, beginning of period			894.2	354.6
Cash and cash equivalents, end of period	609.4	1,009.9	609.4	1,009.9
Non-Guarantor Subsidiaries [Member]
Condensed Consolidating Statements of Operations [Abstract]
Net revenues	308.7	238.1	984.5	736.8
Operating costs and expenses
Cost of sales	287.2	215.5	896.7	658.9
Selling, general and administrative	3.4	5.4	12.0	12.9
Research and development	0.4	0.5	1.5	1.2
Total operating costs and expenses	291.0	221.4	910.2	673.0
Operating income	17.7	16.7	74.3	63.8
Interest expense and financing fee amortization	(1.9)	(1.8)	(6.0)	(5.8)
Other expense, net	(2.5)	(3.6)	(14.5)	(2.8)
Income (loss) before income taxes and equity in net loss of affiliates and subsidiaries	13.3	11.3	53.8	55.2
Income tax (provision) benefit	(2.1)	(2.5)	(9.5)	(8.1)
Income (loss) Before Equity In Net Income (Loss) Of Affiliates and Subsidiaries	11.2	8.8	44.3	47.1
Equity in net income of affiliate	0.5	0.3	1.3	0.9
Net income	11.7	9.1	45.6	48.0
Total other comprehensive income (loss)	(17.7)	(10.7)	(44.5)	(9.5)
Comprehensive Income, Net of Tax, Attributable to Parent	(6.0)	(1.6)	1.1	38.5
Current assets
Cash and cash equivalents	61.0	32.8	63.1	23.3	61.0	63.1
Accounts receivable, net					242.8	216.5
Inventory					464.1	545.3
Other current assets					6.1	6.0
Total current assets					774.0	830.9
Property, plant and equipment, net					537.0	557.6
Pension assets					11.8	13.6
Investment in subsidiary						0.1
Other assets					98.3	104.0
Total assets					1,421.1	1,506.2
Current liabilities
Accounts payable					428.6	445.8
Accrued expenses					35.7	35.2
Profit sharing					2.1	3.3
Current portion of long-term debt					2.3	2.7
Deferred revenue and other deferred credits, short-term					1.4	3.8
Deferred grant income liability - current					13.8	11.9
Other current liabilities					0.4	3.0
Total current liabilities					484.3	505.7
Long-term debt					218.1	270.6
Deferred grant income liability - non-current					68.5	82.3
Deferred revenue and other deferred credits					4.0	4.4
Other liabilities					23.7	25.3
Total equity					622.5	617.9
Total liabilities and equity					1,421.1	1,506.2
Operating activities
Net cash (used in) operating activities	93.1	80.5
Investing activities
Purchase of property, plant and equipment	(35.4)	(51.6)
Proceeds from Sales of Assets, Investing Activities	0.0			0.0
Payments for (Proceeds from) Other Investing Activities	(0.4)			0.2
Net cash used in investing activities	(35.8)	(51.4)
Proceeds from Issuance of Senior Long-term Debt			0.0
Financing activities
Principal payments of debt	(2.3)	(2.5)
Repayments of Senior Debt			0.0
Repayments of Debt		0.0
Collection on (repayment of) intercompany debt	(51.0)			(17.0)
Payments Related to Tax Withholding for Share-based Compensation	0.0
Debt issuance and financing costs			0.0
Proceeds from (Payments for) Other Financing Activities	0.0			0.0
Payments for Repurchase of Common Stock				0.0
Proceeds from (Repayments of) Restricted Cash, Financing Activities			0.0
Excess tax benefit of share-based payment arrangements	0.0			0.1
Net cash used in financing activities	(53.3)	(19.4)
Effect of exchange rate changes on cash and cash equivalents	(6.1)	(0.2)
Net (decrease) increase in cash and cash equivalents for the period	(2.1)	9.5
Cash and cash equivalents, beginning of period			63.1	23.3
Cash and cash equivalents, end of period	61.0	32.8	61.0	32.8
Consolidating Adjustments [Member]
Condensed Consolidating Statements of Operations [Abstract]
Net revenues	(146.6)	(102.2)	(473.3)	(343.5)
Operating costs and expenses
Cost of sales	(146.6)	(102.2)	(473.3)	(343.5)
Total operating costs and expenses	(146.6)	(102.2)	(473.3)	(343.5)
Interest expense and financing fee amortization	1.8	1.7	5.7	5.4
Other expense, net	(1.8)	(1.7)	(5.7)	(5.4)
Equity in net income of affiliate	(0.5)	(0.3)	(1.3)	(0.9)
Equity in net income of subsidiaries	(157.4)	(324.8)	(408.7)	(702.8)
Net income	(157.9)	(325.1)	(410.0)	(703.7)
Total other comprehensive income (loss)	26.2	22.1	87.4	20.5
Comprehensive Income, Net of Tax, Attributable to Parent	(131.7)	(303.0)	(322.6)	(683.2)
Current assets
Accounts receivable, net					(362.5)	(365.8)
Inventory						0.1
Total current assets					(362.5)	(365.7)
Investment in subsidiary					(2,351.9)	(2,657.9)
Other assets					(290.0)	(340.9)
Total assets					(3,004.4)	(3,364.5)
Current liabilities
Accounts payable					(362.5)	(365.8)
Total current liabilities					(362.5)	(365.8)
Long-term debt					(210.0)	(261.0)
Other liabilities					(80.0)	(80.0)
Total equity					(2,351.9)	(2,657.7)
Total liabilities and equity					$ (3,004.4)	$ (3,364.5)
Investing activities
Proceeds from Sales of Assets, Investing Activities	0.0			0.0
Payments for (Proceeds from) Other Investing Activities	0.0			0.0
Proceeds from Issuance of Senior Long-term Debt			0.0
Financing activities
Repayments of Senior Debt			0.0
Repayments of Debt		$ 0.0
Payments Related to Tax Withholding for Share-based Compensation	0.0
Debt issuance and financing costs			0.0
Proceeds from (Payments for) Other Financing Activities	0.0			0.0
Payments for Repurchase of Common Stock				0.0
Proceeds from (Repayments of) Restricted Cash, Financing Activities			$ 0.0
Excess tax benefit of share-based payment arrangements	$ 0.0			$ 0.0