10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

______________

FORM 10-Q

______________

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

For the Quarterly Period Ended September 30, 2023

OR

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

For the Transition Period From to    

Commission File Number 1-5397

__________________________

AUTOMATIC DATA PROCESSING, INC.

(Exact name of registrant as specified in its charter)

__________________________

Delaware		22-1467904
(State or other jurisdiction of incorporation or organization)		(IRS Employer Identification No.)
One ADP Boulevard
Roseland,	NJ	07068
(Address of principal executive offices)		(Zip Code)

Registrant's telephone number, including area code: (973) 974-5000

__________________________

Securities registered pursuant to Section 12(b) of the Act:
Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.10 Par Value (voting)	ADP	NASDAQ Global Select Market

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  ý   No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  Yes  ý   No o

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

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

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the

Exchange Act).        Yes  ☐   No ý

The number of shares outstanding of the registrant’s common stock as of October 31, 2023 was 411,304,782.

Table of Contents

		Page
PART I – FINANCIAL INFORMATION
Item 1.	Financial Statements (Unaudited)
	Statements of Consolidated Earnings Three months ended September 30, 2023 and 2022	3
	Statements of Consolidated Comprehensive Income Three months ended September 30, 2023 and 2022	4
	Consolidated Balance Sheets At September 30, 2023 and June 30, 2023	5
	Statements of Consolidated Cash Flows Three months ended September 30, 2023 and 2022	6
	Notes to the Consolidated Financial Statements	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	22
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	36
Item 4.	Controls and Procedures	36
PART II – OTHER INFORMATION
Item 1.	Legal Proceedings	36
Item 1A.	Risk Factors	37
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	37
Item 5.	Other Information	38
Item 6.	Exhibits	39
	Signatures	40

2

Part I. FINANCIAL INFORMATION

Item 1. Financial Statements

Automatic Data Processing, Inc. and Subsidiaries

Statements of Consolidated Earnings

(In millions, except per share amounts)

(Unaudited)

	Three Months Ended
	September 30,
	2023		2022
REVENUES:
Revenues, other than interest on funds held      for clients and PEO revenues	$	2,843.0	$	2,646.5
Interest on funds held for clients	201.7		141.0
PEO revenues (A)	1,467.7		1,428.1
TOTAL REVENUES	4,512.4		4,215.6
EXPENSES:
Costs of revenues:
Operating expenses	2,157.6		2,074.4
Research and development	236.5		209.8
Depreciation and amortization	121.3		109.4
TOTAL COSTS OF REVENUES	2,515.4		2,393.6
Selling, general, and administrative expenses	880.3		800.3
Interest expense	91.6		51.2
TOTAL EXPENSES	3,487.3		3,245.1
Other (income)/expense, net	(67.7)		(39.5)
EARNINGS BEFORE INCOME TAXES	1,092.8		1,010.0
Provision for income taxes	233.4		231.0
NET EARNINGS	$	859.4	$	779.0
BASIC EARNINGS PER SHARE	$	2.09	$	1.88
DILUTED EARNINGS PER SHARE	$	2.08	$	1.87
Basic weighted average shares outstanding	411.7		414.6
Diluted weighted average shares outstanding	413.6		416.9

(A) Professional Employer Organization (“PEO”) revenues are net of direct pass-through costs, primarily consisting of payroll wages and payroll taxes of $15,994.6 million and $15,534.2 million for the three months ended September 30, 2023 and 2022, respectively.

See notes to the Consolidated Financial Statements.

3

Automatic Data Processing, Inc. and Subsidiaries

Statements of Consolidated Comprehensive Income

(In millions)

(Unaudited)

	Three Months Ended
	September 30,
	2023		2022
Net earnings	$	859.4	$	779.0
Other comprehensive (loss)/income:
Currency translation adjustments	(44.6)		(84.7)
Unrealized net (losses)/gains on available-for-sale securities	(150.6)		(835.1)
Tax effect	30.1		185.8
Reclassification of realized net losses/(gains) on available-for-sale securities to net earnings	1.9		1.5
Tax effect	(0.4)		(0.3)
Amortization of unrealized losses on cash flow hedging activities	1.1		1.1
Tax effect	(0.3)		(0.3)
Reclassification of pension liability adjustment to net earnings	1.0		2.1
Tax effect	(0.2)		(0.5)
Other comprehensive (loss)/income, net of tax	(162.0)		(730.4)
Comprehensive income	$	697.4	$	48.6

See notes to the Consolidated Financial Statements.

4

Automatic Data Processing, Inc. and Subsidiaries

Consolidated Balance Sheets

(In millions, except per share amounts)

(Unaudited)

	September 30,		June 30,
	2023		2023
Assets
Current assets:
Cash and cash equivalents	$	1,441.4	$	2,083.5
Accounts receivable, net of allowance for doubtful accounts of $50.3 and $53.0, respectively	3,095.1		3,009.6
Other current assets	1,180.7		743.9
Total current assets before funds held for clients	5,717.2		5,837.0
Funds held for clients	34,762.9		36,333.6
Total current assets	40,480.1		42,170.6
Long-term receivables, net of allowance for doubtful accounts of $0.0 and $0.1, respectively	8.3		8.5
Property, plant and equipment, net	660.4		681.4
Operating lease right-of-use asset	380.5		402.4
Deferred contract costs	2,758.0		2,769.7
Other assets	1,352.0		1,255.4
Goodwill	2,352.5		2,339.4
Intangible assets, net	1,331.8		1,343.6
Total assets	$	49,323.6	$	50,971.0
Liabilities and Stockholders' Equity
Current liabilities:
Accounts payable	$	67.4	$	96.8
Accrued expenses and other current liabilities	2,292.0		2,342.6
Accrued payroll and payroll-related expenses	554.2		941.4
Dividends payable	509.9		510.0
Short-term deferred revenues	182.8		188.6
Obligations under reverse repurchase agreements (A)	343.8		105.4
Income taxes payable	179.8		44.2
Total current liabilities before client funds obligations	4,129.9		4,229.0
Client funds obligations	37,098.8		38,538.6
Total current liabilities	41,228.7		42,767.6
Long-term debt	2,989.8		2,989.0
Operating lease liabilities	334.3		349.9
Other liabilities	893.0		933.7
Deferred income taxes	67.7		73.6
Long-term deferred revenues	337.3		348.1
Total liabilities	45,850.8		47,461.9
Commitments and contingencies (Note 13)
Stockholders' equity:
Preferred stock, $1.00 par value: authorized, 0.3 shares; issued, none	—		—
Common stock, $0.10 par value: authorized, 1,000.0 shares; issued, 638.7 shares at September 30, 2023 and June 30, 2023;  outstanding, 411.7 and 412.1 shares at September 30, 2023 and June 30, 2023, respectively	63.9		63.9
Capital in excess of par value	2,188.7		2,102.3
Retained earnings	22,455.4		22,118.0
Treasury stock - at cost: 227.0 and 226.6 shares at September 30, 2023 and June 30, 2023, respectively	(18,767.4)		(18,469.3)
Accumulated other comprehensive (loss)/ income	(2,467.8)		(2,305.8)
Total stockholders’ equity	3,472.8		3,509.1
Total liabilities and stockholders’ equity	$	49,323.6	$	50,971.0

(A) As of September 30, 2023, $131.9 million of short-term marketable securities, $211.2 million of long-term marketable securities and $0.7 million of cash and cash equivalents have been pledged as collateral under the Company's reverse repurchase agreements. As of June 30, 2023, $104.6 million of long-term marketable securities and $0.8 million of cash and cash equivalents have been pledged as collateral under the Company's reverse repurchase agreements (see Note 9).

See notes to the Consolidated Financial Statements.

5

Automatic Data Processing, Inc. and Subsidiaries

Statements of Consolidated Cash Flows

(In millions)

(Unaudited)

	Three Months Ended
	September 30,
	2023		2022
Cash Flows from Operating Activities:
Net earnings	$	859.4	$	779.0
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Depreciation and amortization	141.5		135.1
Amortization of deferred contract costs	262.3		243.5
Deferred income taxes	26.8		20.5
Stock-based compensation expense	58.8		50.6
Net pension income	(5.8)		(9.3)
Net accretion of discounts and amortization of premiums on available-for-sale securities	(5.5)		16.0
Other	2.7		10.6
Changes in operating assets and liabilities:
(Increase)/Decrease in accounts receivable	(107.9)		201.5
Increase in deferred contract costs	(261.9)		(239.6)
Increase in other assets	(304.9)		(264.4)
Decrease in accounts payable	(30.4)		(30.7)
Decrease in accrued expenses and other liabilities	(308.6)		(194.7)
Net cash flows provided by operating activities	326.5		718.1
Cash Flows from Investing Activities:
Purchases of corporate and client funds marketable securities	(710.2)		(3,064.5)
Proceeds from the sales and maturities of corporate and client funds marketable securities	632.0		1,618.6
Capital expenditures	(39.3)		(45.4)
Additions to intangibles	(87.0)		(86.3)
Acquisitions of businesses, net of cash acquired	(33.6)		—
Proceeds from sale of property, plant, and equipment and other assets	22.0		—
Net cash flows used in investing activities	(216.1)		(1,577.6)
Cash Flows from Financing Activities:
Net decrease in client funds obligations	(1,374.9)		(15,592.0)
Payments of debt	(0.2)		(0.2)
Repurchases of common stock	(250.0)		(333.3)
Net proceeds from stock purchase plan and stock-based compensation plans	(36.6)		1.0
Dividends paid	(515.8)		(432.9)
Net proceeds related to reverse repurchase agreements	273.8		54.8
Net cash flows used in financing activities	(1,903.7)		(16,302.6)
Effect of exchange rate changes on cash, cash equivalents, restricted cash, and restricted cash equivalents	(16.3)		(44.9)
Net change in cash, cash equivalents, restricted cash, and restricted cash equivalents	(1,809.6)		(17,207.0)
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period	8,771.5		22,783.0
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period	$	6,961.9	$	5,576.0
Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents to the Consolidated Balance Sheets
Cash and cash equivalents	$	1,441.4	$	1,207.7
Restricted cash and restricted cash equivalents included in funds held for clients (A)	5,520.5		4,368.3
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	$	6,961.9	$	5,576.0
Supplemental disclosures of cash flow information:
Cash paid for interest	$	97.0	$	56.7
Cash paid for income taxes, net of income tax refunds	$	87.9	$	57.5

(A) See Note 6 for a reconciliation of restricted cash and restricted cash equivalents in funds held for clients on the Consolidated Balance Sheets.

See notes to the Consolidated Financial Statements.

6

Automatic Data Processing, Inc. and Subsidiaries

Notes to the Consolidated Financial Statements

(Tabular dollars in millions, except per share amounts or where otherwise stated)

(Unaudited)

Note 1.  Basis of Presentation

The accompanying Consolidated Financial Statements and footnotes thereto of Automatic Data Processing, Inc., its subsidiaries and variable interest entity (“ADP” or the “Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”).  The Consolidated Financial Statements and footnotes thereto are unaudited.  In the opinion of the Company’s management, the Consolidated Financial Statements reflect all adjustments, which are of a normal recurring nature, that are necessary for a fair presentation of the Company’s interim financial results.

The Company has a grantor trust, which holds the majority of the funds provided by its clients pending remittance to employees of those clients, tax authorities, and other payees.  The Company is the sole beneficial owner of the trust.  The trust meets the criteria in Accounting Standards Codification (“ASC”) 810, “Consolidation” to be characterized as a variable interest entity (“VIE”).  The Company has determined that it has a controlling financial interest in the trust because it has both (1) the power to direct the activities that most significantly impact the economic performance of the trust (including the power to make all investment decisions for the trust) and (2) the right to receive benefits that could potentially be significant to the trust (in the form of investment returns) and, therefore, consolidates the trust.  Further information on these funds and the Company’s obligations to remit to its clients’ employees, tax authorities, and other payees is provided in Note 6, “Corporate Investments and Funds Held for Clients.” 

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the assets, liabilities, revenue, expenses, and accumulated other comprehensive income that are reported in the Consolidated Financial Statements and footnotes thereto. Actual results may differ from those estimates. Interim financial results are not necessarily indicative of financial results for a full year. The information included in this Quarterly Report on Form 10-Q should be read in conjunction with the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2023 (“fiscal 2023”).

Certain amounts from the prior year's financial statements have been reclassified in order to conform to the current year's presentation. We also updated the description of "Systems development and programming costs" to "Research and development" within the Statement of Consolidated Earnings, this change did not result in changes to current or previously reported amounts.

Note 2.  New Accounting Pronouncements

Recently Adopted Accounting Pronouncements

None.

Recently Issued Accounting Pronouncements

None.

Note 3.  Revenue

Based upon similar operational and economic characteristics, the Company’s revenues are disaggregated by its three strategic pillars: Human Capital Management (“HCM”), HR Outsourcing (“HRO”), and Global Solutions (“Global”), with separate disaggregation for PEO zero-margin benefits pass-through revenues and client funds interest revenues. The Company believes these revenue categories depict how the nature, amount, timing, and uncertainty of its revenue and cash flows are affected by economic factors.

The following tables provide details of revenue by our strategic pillars, and include a reconciliation to the Company’s reportable segments:

7

	Three Months Ended
	September 30,
Types of Revenues	2023		2022
HCM	$	1,914.4	$	1,811.0
HRO, excluding PEO zero-margin benefits pass-throughs	811.7		777.3
PEO zero-margin benefits pass-throughs	976.7		945.8
Global	607.9		540.5
Interest on funds held for clients	201.7		141.0
Total Revenues	$	4,512.4	$	4,215.6

Reconciliation of disaggregated revenue to our reportable segments for the three months ended September 30, 2023:

Types of Revenues	Employer Services		PEO		Other		Total
HCM	$	1,916.7	$	—	$	(2.3)	$	1,914.4
HRO, excluding PEO zero-margin benefits pass-throughs	322.0		491.0		(1.3)		811.7
PEO zero-margin benefits pass-throughs	—		976.7		—		976.7
Global	607.9		—		—		607.9
Interest on funds held for clients	199.8		1.9		—		201.7
Total Segment Revenues	$	3,046.4	$	1,469.6	$	(3.6)	$	4,512.4

Reconciliation of disaggregated revenue to our reportable segments for the three months ended September 30, 2022:

Types of Revenues	Employer Services		PEO		Other		Total
HCM	$	1,813.2	$	—	$	(2.2)	$	1,811.0
HRO, excluding PEO zero-margin benefits pass-throughs	296.8		482.3		(1.8)		777.3
PEO zero-margin benefits pass-throughs	—		945.8		—		945.8
Global	540.5		—		—		540.5
Interest on funds held for clients	139.7		1.3		—		141.0
Total Segment Revenues	$	2,790.2	$	1,429.4	$	(4.0)	$	4,215.6

Contract Balances

The timing of revenue recognition for HCM, HRO and Global Solutions is consistent with the invoicing of clients, as invoicing occurs in the period the services are provided. Therefore, the Company does not recognize a contract asset or liability resulting from the timing of revenue recognition and invoicing.

Changes in deferred revenues related to set up fees for the three months ended September 30, 2023 were as follows:

Contract Liability
Contract liability, July 1, 2023	$	464.8
Recognition of revenue included in beginning of year contract liability	(35.7)
Contract liability, net of revenue recognized on contracts during the period	31.1
Currency translation adjustments	12.0
Contract liability, September 30, 2023	$	472.2

8

Note 4.  Earnings per Share (“EPS”)

	Basic		Effect of Employee Stock Option Shares	Effect of Employee Restricted Stock Shares	Diluted
Three Months Ended September 30, 2023
Net earnings	$	859.4			$	859.4
Weighted average shares (in millions)	411.7		0.9	1.0	413.6
EPS	$	2.09			$	2.08
Three Months Ended September 30, 2022
Net earnings	$	779.0			$	779.0
Weighted average shares (in millions)	414.6		1.1	1.2	416.9
EPS	$	1.88			$	1.87

For the three months ended September 30, 2023 there were no stock options excluded from the calculation of diluted earnings per share due to anti-dilution. Stock Options to purchase 0.3 million shares of common stock for the three months ended September 30, 2022 were excluded from the calculation of diluted earnings per share because their inclusion would have been anti-dilutive.

Note 5. Other (Income)/Expense, Net

	Three Months Ended
	September 30,
	2023		2022
Interest income on corporate funds	$	(46.5)	$	(29.7)
Realized losses/(gains) on available-for-sale securities, net	1.9		1.5
Gain on sale of assets	(14.6)		—
Impairment of assets	—		0.3
Non-service components of pension income, net (see Note 11)	(8.5)		(11.6)
Other (income)/expense, net	$	(67.7)	$	(39.5)

Note 6. Corporate Investments and Funds Held for Clients

Corporate investments and funds held for clients at September 30, 2023 and June 30, 2023 were as follows:

9

	September 30, 2023
	Amortized Cost		Gross Unrealized  Gains		Gross Unrealized Losses		Fair Market Value (A)
Type of issue:
Money market securities, cash and other cash equivalents	$	6,961.9	$	—	$	—	$	6,961.9
Available-for-sale securities:
Corporate bonds	15,836.9		0.1		(1,407.3)		14,429.7
U.S. Treasury securities	8,213.5		—		(283.8)		7,929.7
Canadian government obligations and Canadian government agency obligations	2,049.8		—		(149.2)		1,900.6
U.S. government agency securities	1,669.6		—		(197.9)		1,471.7
Asset-backed securities	1,136.6		—		(68.1)		1,068.5
Canadian provincial bonds	1,013.1		—		(88.0)		925.1
Commercial mortgage-backed securities	661.7		—		(51.9)		609.8
Other securities	1,374.8		0.1		(109.6)		1,265.3
Total available-for-sale securities	31,956.0		0.2		(2,355.8)		29,600.4
Total corporate investments and funds held for clients	$	38,917.9	$	0.2	$	(2,355.8)	$	36,562.3

(A) Included within available-for-sale securities are corporate investments with fair values of $358.0 million and funds held for clients with fair values of $29,242.4 million. All available-for-sale securities were included in Level 2 of the fair value hierarchy.

	June 30, 2023
	Amortized  Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Market Value (B)
Type of issue:
Money market securities, cash and other cash equivalents	$	8,771.5	$	—	$	—	$	8,771.5
Available-for-sale securities:
Corporate bonds	15,870.7		4.7		(1,308.3)		14,567.1
U.S. Treasury securities	8,054.7		0.7		(290.4)		7,765.0
Canadian government obligations and Canadian government agency obligations	2,070.4		—		(145.0)		1,925.4
U.S. government agency securities	1,670.0		0.2		(179.8)		1,490.4
Asset-backed securities	1,234.7		—		(69.7)		1,165.0
Canadian provincial bonds	1,000.5		0.2		(78.1)		922.6
Commercial mortgage-backed securities	679.2		—		(46.7)		632.5
Other securities	1,391.6		1.7		(96.4)		1,296.9
Total available-for-sale securities	31,971.8		7.5		(2,214.4)		29,764.9
Total corporate investments and funds held for clients	$	40,743.3	$	7.5	$	(2,214.4)	$	38,536.4

(B) Included within available-for-sale securities are corporate investments with fair values of $119.3 million and funds held for clients with fair values of $29,645.6 million. All available-for-sale securities were included in Level 2 of the fair value hierarchy.

For a description of the fair value hierarchy and the Company's fair value methodologies, including the use of an independent third-party pricing service, see Note 1 “Summary of Significant Accounting Policies” in the Company's Annual Report on Form

10

10-K for fiscal 2023. The Company concurred with and did not adjust the prices obtained from the independent pricing service. The Company had no available-for-sale securities included in Level 1 or Level 3 at September 30, 2023.

The unrealized losses and fair values of available-for-sale securities that have been in an unrealized loss position for a period of less than and greater than 12 months as of September 30, 2023, are as follows: 

	September 30, 2023
	Securities in Unrealized Loss Position Less Than 12 Months				Securities in Unrealized Loss Position Greater Than 12 Months				Total
	Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value
Corporate bonds	$	(50.3)	$	1,297.5	$	(1,357.0)	$	13,097.5	$	(1,407.3)	$	14,395.0
U.S. Treasury securities	(33.8)		2,090.5		(250.0)		5,836.0		(283.8)		7,926.5
Canadian government obligations and Canadian government agency obligations	(4.3)		186.8		(144.9)		1,713.8		(149.2)		1,900.6
U.S. government agency securities	(1.9)		36.0		(196.0)		1,435.6		(197.9)		1,471.6
Asset-backed securities	(3.2)		251.0		(64.9)		801.5		(68.1)		1,052.5
Canadian provincial bonds	(6.9)		143.3		(81.1)		781.8		(88.0)		925.1
Commercial mortgage-backed securities	—		—		(51.9)		609.8		(51.9)		609.8
Other securities	(12.3)		380.7		(97.3)		850.6		(109.6)		1,231.3
	$	(112.7)	$	4,385.8	$	(2,243.1)	$	25,126.6	$	(2,355.8)	$	29,512.4

The unrealized losses and fair values of available-for-sale securities that have been in an unrealized loss position for a period of less than and greater than 12 months as of June 30, 2023, are as follows:

	June 30, 2023
	Securities in Unrealized Loss Position Less Than 12 Months				Securities in Unrealized Loss Position Greater Than 12 Months				Total
	Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value
Corporate bonds	$	(62.0)	$	2,255.9	$	(1,246.3)	$	12,050.5	$	(1,308.3)	$	14,306.4
U.S. Treasury securities	(85.5)		4,629.4		(204.9)		2,876.3		(290.4)		7,505.7
Canadian government obligations and Canadian government agency obligations	(5.8)		333.9		(139.2)		1,588.0		(145.0)		1,921.9
U.S. government agency securities	(0.6)		28.2		(179.2)		1,432.2		(179.8)		1,460.4
Asset-backed securities	(2.0)		159.7		(67.7)		975.6		(69.7)		1,135.3
Canadian provincial bonds	(2.7)		127.0		(75.4)		757.3		(78.1)		884.3
Commercial mortgage-backed securities	(6.7)		126.9		(40.0)		505.6		(46.7)		632.5
Other securities	(14.5)		574.0		(81.9)		629.0		(96.4)		1,203.0
	$	(179.8)	$	8,235.0	$	(2,034.6)	$	20,814.5	$	(2,214.4)	$	29,049.5

At September 30, 2023, corporate bonds include investment-grade debt securities with a wide variety of issuers, industries, and sectors, primarily carrying credit ratings of A and above, and have maturities ranging from October 2023 through May 2033.

At September 30, 2023, asset-backed securities include AAA-rated senior tranches of securities with predominantly prime collateral of fixed-rate auto loan, credit card, and equipment lease receivables with fair values of $522.3 million, $352.1 million, and $168.3 million, respectively. These securities are collateralized by the cash flows of the underlying pools of receivables. The primary risk associated with these securities is the collection risk of the underlying receivables. All collateral on such asset-backed securities has performed as expected through September 30, 2023.

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At September 30, 2023, U.S. government agency securities primarily include debt directly issued by Federal Farm Credit Banks and Federal Home Loan Banks with fair values of $952.3 million and $442.1 million, respectively. U.S. government agency securities represent senior, unsecured, non-callable debt that primarily carry ratings of Aaa by Moody's, and AA+ by Standard & Poor's, with maturities ranging from December 2023 through March 2033.

At September 30, 2023, U.S. government agency commercial mortgage-backed securities of $609.8 million include those issued by Federal Home Loan Mortgage Corporation and Federal National Mortgage Association.

At September 30, 2023, other securities primarily include municipal bonds, diversified with a variety of issuers, with credit ratings of A and above with fair values of $521.2 million, AA-rated United Kingdom Gilt securities of $375.5 million, and AAA-rated supranational bonds of $203.2 million.

Classification of corporate investments on the Consolidated Balance Sheets is as follows:

	September 30,		June 30,
	2023		2023
Corporate investments:
Cash and cash equivalents	$	1,441.4	$	2,083.5
Short-term marketable securities (a)	146.8		14.7
Long-term marketable securities (b)	211.2		104.6
Total corporate investments	$	1,799.4	$	2,202.8

(a) - Short-term marketable securities are included within Other current assets on the Consolidated Balance Sheets.

(b) - Long-term marketable securities are included within Other assets on the Consolidated Balance Sheets.

Funds held for clients represent assets that, based upon the Company's intent, are restricted for use solely for the purposes of satisfying the obligations to remit funds relating to the Company’s payroll and payroll tax filing services, which are classified as client funds obligations on our Consolidated Balance Sheets.

Funds held for clients have been invested in the following categories:

	September 30,		June 30,
	2023		2023
Funds held for clients:
Restricted cash and cash equivalents held to satisfy client funds obligations	$	5,520.5	$	6,688.0
Restricted short-term marketable securities held to satisfy client funds obligations	6,061.5		5,601.9
Restricted long-term marketable securities held to satisfy client funds obligations	23,180.9		24,043.7
Total funds held for clients	$	34,762.9	$	36,333.6

Client funds obligations represent the Company's contractual obligations to remit funds to satisfy clients' payroll, tax, and other payee payment obligations and are recorded on the Consolidated Balance Sheets at the time that the Company impounds funds from clients. The client funds obligations represent liabilities that will be repaid within one year of the balance sheet date. The Company has reported client funds obligations as a current liability on the Consolidated Balance Sheets totaling $37,098.8 million and $38,538.6 million at September 30, 2023 and June 30, 2023, respectively. The Company has classified funds held for clients as a current asset since these funds are held solely for the purpose of satisfying the client funds obligations. Of the Company’s funds held for clients at September 30, 2023 and June 30, 2023, $31,932.5 million and $32,758.1 million, respectively, are held in the grantor trust. The liabilities held within the trust are intercompany liabilities to other Company subsidiaries and are eliminated in consolidation.

The Company has reported the cash flows related to the purchases of corporate and client funds marketable securities and related to the proceeds from the sales and maturities of corporate and client funds marketable securities on a gross basis in the investing section of the Statements of Consolidated Cash Flows. The Company has reported the cash and cash equivalents related to client funds investments with original maturities of ninety days or less, within the beginning and ending balances of cash, cash equivalents, restricted cash, and restricted cash equivalents. The Company has reported the cash flows related to the cash received from and paid on behalf of clients on a net basis within net increase / (decrease) in client funds obligations in the financing activities section of the Statements of Consolidated Cash Flows.

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All available-for-sale securities were rated as investment grade at September 30, 2023.

Expected maturities of available-for-sale securities at September 30, 2023 are as follows:

One year or less	$	6,208.3
One year to two years	6,246.6
Two years to three years	7,275.3
Three years to four years	2,980.7
After four years	6,889.5
Total available-for-sale securities	$	29,600.4

Note 7.  Leases

The Company records leases on the Consolidated Balance Sheets as operating lease right-of-use (“ROU”) assets, records the current portion of operating lease liabilities within accrued expenses and other current liabilities and, separately, records long-term operating lease liabilities. The difference between total ROU assets and total lease liabilities is primarily attributable to prepayments of our obligations and the recognition of various lease incentives.

The Company has entered into operating lease agreements for facilities and equipment. The Company's leases have remaining lease terms of up to approximately eleven years.

The components of operating lease expense were as follows:

	Three Months Ended
	September 30,
	2023		2022
Operating lease cost	$	34.0	$	35.6
Short-term lease cost	0.5		0.3
Variable lease cost	3.2		3.0
Total operating lease cost	$	37.7	$	38.9

The following table provides supplemental cash flow information related to the Company's leases:

	Three Months Ended
	September 30,
	2023		2022
Cash paid for operating lease liabilities	$	30.5	$	33.5
Operating lease ROU assets obtained in exchange for new operating lease liabilities	$	26.9	$	12.4

Other information related to our operating lease liabilities is as follows:

	September 30,			June 30,
	2023			2023
Weighted-average remaining lease term (in years)	5			6
Weighted-average discount rate	2.9		%	2.7		%
Current operating lease liability	$	97.4		$	95.5

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As of September 30, 2023, maturities of operating lease liabilities are as follows:

Nine months ending June 30, 2024	$	83.7
Twelve months ending June 30, 2025	97.9
Twelve months ending June 30, 2026	83.1
Twelve months ending June 30, 2027	72.9
Twelve months ending June 30, 2028	53.5
Thereafter	74.1
Total undiscounted lease obligations	465.2
Less: Imputed interest	(33.5)
Net lease obligations	$	431.7

Note 8. Goodwill and Intangible Assets, net

Changes in goodwill for the three months ended September 30, 2023 are as follows:

	Employer Services		PEO Services		Total
Balance at June 30, 2023	$	2,334.6	$	4.8	$	2,339.4
Additions and other adjustments	27.5		—		27.5
Currency translation adjustments	(14.4)		—		(14.4)
Balance at September 30, 2023	$	2,347.7	$	4.8	$	2,352.5

Components of intangible assets, net, are as follows:

	September 30,		June 30,
	2023		2023
Intangible assets:
Software and software licenses	$	3,608.6	$	3,548.9
Customer contracts and lists	1,148.2		1,140.6
Other intangibles	241.9		241.9
	4,998.7		4,931.4
Less accumulated amortization:
Software and software licenses	(2,496.2)		(2,442.6)
Customer contracts and lists	(931.9)		(907.5)
Other intangibles	(238.8)		(237.7)
	(3,666.9)		(3,587.8)
Intangible assets, net	$	1,331.8	$	1,343.6

Other intangibles consist primarily of purchased rights, trademarks and trade names (acquired directly or through acquisitions). All intangible assets have finite lives and, as such, are subject to amortization. The weighted average remaining useful life of the intangible assets is 6 years (6 years for software and software licenses, 3 years for customer contracts and lists, and 1 year for other intangibles). Amortization of intangible assets was $95.7 million and $92.3 million for the three months ended September 30, 2023 and 2022, respectively.

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Estimated future amortization expenses of the Company's existing intangible assets are as follows:

	Amount
Nine months ending June 30, 2024	$	315.8
Twelve months ending June 30, 2025	$	282.9
Twelve months ending June 30, 2026	$	193.3
Twelve months ending June 30, 2027	$	152.7
Twelve months ending June 30, 2028	$	115.6
Twelve months ending June 30, 2029	$	88.0

Note 9. Short-term Financing

The Company has a $4.25 billion, 364-day credit agreement that matures in June 2024 with a one year term-out option. The Company also has a five year, $3.2 billion credit facility maturing in June 2026 that contains an accordion feature under which the aggregate commitment can be increased by $500 million, subject to the availability of additional commitments. In addition, the Company also has a $2.25 billion, five year credit facility that matures in June 2028 that contains an accordion feature under which the aggregate commitment can be increased by $500 million, subject to the availability of additional commitments. The interest rate applicable to committed borrowings is tied to SOFR, the effective federal funds rate, or the prime rate depending on the notification provided by the Company to the syndicated financial institutions prior to borrowing. The Company is also required to pay facility fees on the credit agreements. The primary uses of the credit facilities are to provide liquidity to the commercial paper program and funding for general corporate purposes, if necessary. The Company had no borrowings through September 30, 2023 under the credit agreements.

The Company's U.S. short-term funding requirements primarily related to client funds are sometimes obtained on an unsecured basis through the issuance of commercial paper, rather than liquidating previously-collected client funds that have already been invested in available-for-sale securities. This commercial paper program provides for the issuance of up to $9.7 billion in aggregate maturity value. The Company’s commercial paper program is rated A-1+ by Standard & Poor’s, Prime-1 (“P-1”) by Moody’s and F1+ by Fitch. These ratings denote the highest quality commercial paper securities. Maturities of commercial paper can range from overnight to up to 364 days. At September 30, 2023 and June 30, 2023, the Company had no commercial paper borrowing outstanding. Details of the borrowings under the commercial paper program are as follows:

	Three Months Ended
	September 30,
	2023			2022
Average daily borrowings (in billions)	$	4.1		$	4.6
Weighted average interest rates	5.3		%	2.3		%
Weighted average maturity (approximately in days)	2 days			2 days

The Company’s U.S., Canadian and United Kingdom short-term funding requirements related to client funds obligations are sometimes obtained on a secured basis through the use of reverse repurchase agreements, which are collateralized principally by government and government agency securities, rather than liquidating previously-collected client funds that have already been invested in available-for-sale securities. These agreements generally have terms ranging from overnight to up to five business days. At September 30, 2023 and June 30, 2023, the Company had $343.8 million and $105.4 million, respectively, of outstanding obligations related to reverse repurchase agreements. Details of the reverse repurchase agreements are as follows:

	Three Months Ended
	September 30,
	2023			2022
Average outstanding balances	$	1,379.0		$	1,119.4
Weighted average interest rates	5.3		%	2.4		%

Note 10. Debt

The Company issued three series of fixed-rate notes with staggered maturities of 7 and 10-years totaling $3.0 billion (collectively the “Notes”). The Notes are senior unsecured obligations, and interest is payable in arrears, semi-annually.

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The principal amounts and associated effective interest rates of the Notes and other debt as of September 30, 2023 and June 30, 2023, are as follows:

Debt instrument	Effective Interest Rate	September 30, 2023		June 30, 2023
Fixed-rate 3.375% notes due September 15, 2025	3.47%	$	1,000.0	$	1,000.0
Fixed-rate 1.700% notes due May 15, 2028	1.85%	1,000.0		1,000.0
Fixed-rate 1.250% notes due September 1, 2030	1.83%	1,000.0		1,000.0
Other		4.7		4.9
		3,004.7		3,004.9
Less: current portion (a)		(0.9)		(1.2)
Less: unamortized discount and debt issuance costs		(14.0)		(14.7)
Total long-term debt		$	2,989.8	$	2,989.0

(a) - Current portion of long-term debt as of September 30, 2023 is included within accrued expenses and other current liabilities on the Consolidated Balance Sheets.

The effective interest rates for the Notes include the interest on the Notes and amortization of the discount and debt issuance costs.

As of September 30, 2023, the fair value of the Notes, based on Level 2 inputs, was $2,600.1 million. For a description of the fair value hierarchy and the Company's fair value methodologies, including the use of an independent third-party pricing service, see Note 1 “Summary of Significant Accounting Policies” in the Company's Annual Report on Form 10-K for fiscal 2023.

Note 11. Employee Benefit Plans

A.  Stock-based Compensation Plans. Stock-based compensation consists of the following:

The Company's share-based compensation consists of stock options, time-based restricted stock, time-based restricted stock units, performance-based restricted stock, and performance-based restricted stock units. The Company also offers an employee stock purchase plan for eligible employees. Beginning in September 2022, the Company discontinued granting stock options, time-based restricted stock and performance-based restricted stock. Any such future awards will be grants of time-based restricted stock units and/or performance-based restricted stock units, depending on employee eligibility. Time-based restricted stock unit awards and performance-based restricted stock unit awards granted to employees with a home country of the United States are settled in stock, and for awards granted to employees with a home country outside the United States are generally settled in cash.

•Restricted Stock.

•Time-Based Restricted Stock Units. Time-based restricted stock units generally vest ratably over 3 years. Awards are generally forfeited if the employee ceases to be employed by the Company prior to vesting.

Time-based restricted stock unit awards granted to employees with a home country of the United States are settled in stock and cannot be transferred during the vesting period. Time-based restricted stock unit awards granted to employees with a home country outside the United States are generally settled in cash and cannot be transferred during the vesting period. Compensation expense relating to the issuance of share-settled units is measured based on the fair value of the award on the grant date and recognized on a straight-line basis over the vesting period. Compensation expense relating to the issuance of cash-settled units is recorded over the vesting period and is initially based on the fair value of the award on the grant date and is subsequently remeasured at each reporting date during the vesting period based on the change in the ADP stock price. Dividend cash equivalents are paid on share-settled units, and dividend cash equivalents are not paid on cash-settled units.

•Performance-Based Restricted Stock Units. Performance-based restricted stock units generally vest over a one to three year performance period and a subsequent service period of up to 38 months. Under these programs, the Company communicates “target awards” at the beginning of the performance period with

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possible payouts at the end of the performance period ranging from 0% to 200% of the “target awards.” Awards are generally forfeited if the employee ceases to be employed by the Company prior to vesting.

Performance-based restricted stock units cannot be transferred and are settled in either cash or stock, depending on the employee's home country. Compensation expense relating to the issuance of performance-based restricted stock units settled in cash is recognized over the vesting period initially based on the fair value of the award on the grant date with subsequent adjustments to the number of units awarded during the performance period based on probable and actual performance against targets. In addition, compensation expense is remeasured at each reporting period during the vesting period based on the change in the ADP stock price. Compensation expense relating to the issuance of performance-based restricted stock units settled in stock is recorded over the vesting period based on the fair value of the award on the grant date with subsequent adjustments to the number of units awarded based on the probable and actual performance against targets. Dividend equivalents are paid on awards under the performance-based restricted stock unit program.

•Employee Stock Purchase Plan. The Company offers an employee stock purchase plan that allows eligible employees to purchase shares of common stock at a price equal to 95% of the market value for the Company's common stock on the last day of the offering period. This plan has been deemed non-compensatory and, therefore, no compensation expense has been recorded.

The Company currently utilizes treasury stock to satisfy stock option exercises, issuances under the Company's employee stock purchase plan, and restricted stock awards. From time to time, the Company may repurchase shares of its common stock under its authorized share repurchase program. The Company repurchased 1.0 million and 1.4 million shares in the three months ended September 30, 2023 and 2022, respectively. The Company considers several factors in determining when to execute share repurchases, including, among other things, actual and potential acquisition activity, cash balances and cash flows, issuances due to employee benefit plan activity, and market conditions.

The following table represents pre-tax stock-based compensation expense for the three months ended September 30, 2023 and 2022, respectively:

	Three Months Ended
	September 30,
	2023		2022
Operating expenses	$	7.4	$	6.0
Selling, general and administrative expenses	42.8		37.1
Research and development	8.6		7.5
Total stock-based compensation expense	$	58.8	$	50.6

During the three months ended September 30, 2023, the following activity occurred under the Company’s existing plans.

Stock Options:

	Number of Options (in thousands)	Weighted Average Price (in dollars)
Options outstanding at July 1, 2023	2,654	$	155
Options exercised	(305)	$	148
Options forfeited/cancelled	(5)	$	176
Options outstanding at September 30, 2023	2,344	$	156

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Time-Based Restricted Stock and Time-Based Restricted Stock Units:

	Number of Shares (in thousands)	Number of Units (in thousands)
Restricted shares/units outstanding at July 1, 2023	450	730
Restricted shares/units granted	—	605
Restricted shares/units vested	(289)	(256)
Restricted shares/units forfeited	(4)	(8)
Restricted shares/units outstanding at September 30, 2023	157	1,071

Performance-Based Restricted Stock and Performance-Based Restricted Stock Units:

	Number of Shares (in thousands)	Number of Units (in thousands)
Restricted shares/units outstanding at July 1, 2023	197	821
Restricted shares/units granted	113	224
Restricted shares/units vested	(103)	(363)
Restricted shares/units forfeited	(3)	(3)
Restricted shares/units outstanding at September 30, 2023	204	679

B.  Pension Plans

The components of net pension income were as follows:

	Three Months Ended
	September 30,
	2023		2022
Service cost – benefits earned during the period	$	1.3	$	1.2
Interest cost on projected benefits	21.2		19.5
Expected return on plan assets	(29.0)		(31.9)
Net amortization and deferral	0.7		0.5
Settlement charges and special termination benefits	—		1.4
Net pension (income)/expense	$	(5.8)	$	(9.3)

Note 12. Income Taxes

The effective tax rate for the three months ended September 30, 2023 and 2022 was 21.4% and 22.9%, respectively. The decrease is primarily due to lower reserves for uncertain tax positions and a valuation allowance release offset by a lower excess tax benefit on stock-based compensation in the three months ended September 30, 2023.

Note 13. Commitments and Contingencies

In May 2020, a putative class action complaint was filed against ADP, TotalSource and related defendants in the U.S. District Court, District of New Jersey. The complaint asserts violations of the Employee Retirement Income Security Act of 1974 (“ERISA”) in connection with the ADP TotalSource Retirement Savings Plan’s fiduciary administrative and investment decision-making. The complaint seeks statutory and other unspecified monetary damages, injunctive relief and attorney’s fees. These claims are still in their early stages and the Company is unable to estimate any reasonably possible loss, or range of loss, with respect to this matter. The Company intends to vigorously defend against this lawsuit.

The Company is subject to various claims, litigation, and regulatory compliance matters in the normal course of business. When a loss is considered probable and reasonably estimable, the Company records a liability in the amount of its best estimate for the ultimate loss. Management currently believes that the resolution of these claims, litigation and regulatory compliance matters against us, individually or in the aggregate, will not have a material adverse impact on our consolidated results of operations,

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financial condition or cash flows. These matters are subject to inherent uncertainties and management's view of these matters may change in the future.

It is not the Company’s business practice to enter into off-balance sheet arrangements. In the normal course of business, the Company may enter into contracts in which it makes representations and warranties that relate to the performance of the Company’s services and products. The Company does not expect any material losses related to such representations and warranties.

Note 14. Stockholders' Equity

Changes in stockholders' equity by component are as follows:

	Three Months Ended
	September 30, 2023
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at June 30, 2023	$	63.9	$	2,102.3	$	22,118.0	$	(18,469.3)	$	(2,305.8)	$	3,509.1
Net earnings	—				859.4				—		859.4
Other comprehensive income	—				—				(162.0)		(162.0)
Stock-based compensation expense	—		54.0		—				—		54.0
Issuances relating to stock compensation plans	—		32.4		—		49.4		—		81.8
Treasury stock acquired (1.0 million shares repurchased)	—		—				(347.5)		—		(347.5)
Dividends declared ($1.25 per share)	—		—		(522.0)		—		—		(522.0)
Balance at September 30, 2023	$	63.9	$	2,188.7	$	22,455.4	$	(18,767.4)	$	(2,467.8)	$	3,472.8

	Three Months Ended
	September 30, 2022
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at June 30, 2022	$	63.9	$	1,794.2	$	20,696.3	$	(17,335.4)	$	(1,993.7)	$	3,225.3
Net earnings	—				779.0		—		—		779.0
Other comprehensive income	—				—		—		(730.4)		(730.4)
Stock-based compensation expense	—		46.0		—		—		—		46.0
Issuances relating to stock compensation plans	—		52.9		—		40.3		—		93.2
Treasury stock acquired (1.4 million shares repurchased)	—				—		(400.3)		—		(400.3)
Dividends declared ($1.04 per share)	—		—		(436.3)		—		—		(436.3)
Balance at September 30, 2022	$	63.9	$	1,893.1	$	21,039.0	$	(17,695.4)	$	(2,724.1)	$	2,576.5

Note 15. Reclassifications out of Accumulated Other Comprehensive Income (“AOCI”)

Changes in AOCI by component are as follows:

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	Three Months Ended
	September 30, 2023
	Currency Translation Adjustment		Net Gains/Losses on Available-for-sale Securities			Cash Flow Hedging Activities			Pension Liability			Accumulated Other Comprehensive (Loss) /Income
Balance at June 30, 2023	$	(340.8)	$	(1,705.6)		$	(23.3)		$	(236.1)		$	(2,305.8)
Other comprehensive (loss)/income before reclassification adjustments	(44.6)		(150.6)			—			—			(195.2)
Tax effect	—		30.1			—			—			30.1
Reclassification adjustments to net earnings	—		1.9		(A)	1.1		(C)	1.0		(B)	4.0
Tax effect	—		(0.4)			(0.3)			(0.2)			(0.9)
Balance at September 30, 2023	$	(385.4)	$	(1,824.6)		$	(22.5)		$	(235.3)		$	(2,467.8)

	Three Months Ended
	September 30, 2022
	Currency Translation Adjustment		Net Gains/Losses on Available-for-sale Securities			Cash Flow Hedging Activities			Pension Liability			Accumulated Other Comprehensive (Loss) /Income
Balance at June 30, 2022	$	(354.2)	$	(1,330.0)		$	(26.6)		$	(282.9)		$	(1,993.7)
Other comprehensive (loss)/income before reclassification adjustments	(84.7)		(835.1)			—			—			(919.8)
Tax effect	—		185.8			—			—			185.8
Reclassification adjustments to net earnings	—		1.5		(A)	1.1		(C)	2.1		(B)	4.7
Tax effect	—		(0.3)			(0.3)			(0.5)			(1.1)
Balance at September 30, 2022	$	(438.9)	$	(1,978.1)		$	(25.8)		$	(281.3)		$	(2,724.1)

(A) Reclassification adjustments out of AOCI are included within Other (income)/expense, net, on the Statements of Consolidated Earnings.

(B) Reclassification adjustments out of AOCI are included in net pension (income)/expense (see Note 11).

(C) Reclassification adjustments out of AOCI are included in Interest expense on the Statements of Consolidated Earnings (see Note 10).

Note 16. Interim Financial Data by Segment

Based upon similar economic and operational characteristics, the Company’s strategic business units have been aggregated into the following two reportable segments: Employer Services and PEO Services. The primary components of the “Other” segment are certain corporate overhead charges and expenses that have not been allocated to the reportable segments, including corporate functions, costs related to our transformation office, severance costs, non-recurring gains and losses, the elimination of intercompany transactions, and interest expense. Certain revenues and expenses are charged to the reportable segments at a standard rate for management reasons. Other costs are recorded based on management responsibility.

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Segment Results:

	Revenues
	Three Months Ended
	September 30,
	2023		2022
Employer Services	$	3,046.4	$	2,790.2
PEO Services	1,469.6		1,429.4
Other	(3.6)		(4.0)
	$	4,512.4	$	4,215.6

  

	Earnings before Income Taxes
	Three Months Ended
	September 30,
	2023		2022
Employer Services	$	1,008.5	$	863.5
PEO Services	222.9		230.3
Other	(138.6)		(83.8)
	$	1,092.8	$	1,010.0

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

(Tabular dollars are presented in millions, except per share amounts)

FORWARD-LOOKING STATEMENTS

This document and other written or oral statements made from time to time by Automatic Data Processing, Inc., its subsidiaries and variable interest entity (“ADP” or the “Company”) may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Statements that are not historical in nature and which may be identified by the use of words like “expects,” “assumes,” “projects,” “anticipates,” “estimates,” “we believe,” “could”, "is designed to" and other words of similar meaning, are forward-looking statements. These statements are based on management’s expectations and assumptions and depend upon or refer to future events or conditions and are subject to risks and uncertainties that may cause actual results to differ materially from those expressed. Factors that could cause actual results to differ materially from those contemplated by the forward-looking statements or that could contribute to such difference include: ADP's success in obtaining and retaining clients, and selling additional services to clients; the pricing of products and services; the success of our new solutions; our ability to respond successfully to changes in technology, including artificial intelligence; compliance with existing or new legislation or regulations; changes in, or interpretations of, existing legislation or regulations; overall market, political and economic conditions, including interest rate and foreign currency trends and inflation; competitive conditions; our ability to maintain our current credit ratings and the impact on our funding costs and profitability; security or cyber breaches, fraudulent acts, and system interruptions and failures; employment and wage levels; availability of skilled associates; the impact of new acquisitions and divestitures; the adequacy, effectiveness and success of our business transformation initiatives and the impact of any uncertainties related to major natural disasters or catastrophic events; and supply-chain disruptions. ADP disclaims any obligation to update any forward-looking statements, whether as a result of new information, future events, or otherwise, except as required by law. These risks and uncertainties, along with the risk factors discussed under “Item 1A. - Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended June 30, 2023 (“fiscal 2023”), and in other written or oral statements made from time to time by ADP, should be considered in evaluating any forward-looking statements contained herein.

NON-GAAP FINANCIAL MEASURES

In addition to our U.S. GAAP results, we use adjusted results and other non-GAAP metrics to evaluate our operating performance in the absence of certain items and for planning and forecasting of future periods. Adjusted EBIT, adjusted EBIT margin, adjusted net earnings, adjusted diluted earnings per share, adjusted effective tax rate and organic constant currency are all non-GAAP financial measures. Please refer to the accompanying financial tables in the “Non-GAAP Financial Measures” section for a discussion of why ADP believes these measures are important and for a reconciliation of non-GAAP financial measures to their comparable GAAP financial measures.

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EXECUTIVE OVERVIEW

We are a leading global provider of cloud-based Human Capital Management (“HCM”) technology solutions to employers around the world. Our HCM solutions, which include both software and outsourcing services, are designed to help our clients manage their workforce through a dynamic business and regulatory landscape and the changing world of work. We continuously seek to enhance our leading HCM solutions to further support our clients. We see tremendous opportunity ahead as we focus on our three key Strategic Priorities: Leading with Best-in-Class HCM technology, Providing Unmatched Expertise and Outsourcing Solutions, and Leveraging our Global Scale for the Benefit of our Clients. Executing on our Strategic Priorities will be critical to enabling our growth in the years ahead.

Highlights from the three months ended September 30, 2023 include:

•Revenue growth of 7% to $4,512.4 million; 7% organic constant currency

•Earnings before income taxes margin expansion of 30 bps, and adjusted EBIT margin expansion of 10 bps

•Diluted earnings per share ("EPS") growth of 11% to $2.08, and adjusted diluted EPS growth of 12% to $2.08

•Cash returned via shareholder friendly actions of $0.8B, including $0.5B of dividends and $0.3B share repurchases

•Acquisition of Sora, an intelligent workflow automation and data integration tool

During the first quarter we made meaningful progress in pursuit of our key Strategic Priorities. We took actions to lead with Best-in-Class HCM Technology by embedding generative AI (gen AI) features into our products, including the integration of gen AI into Roll to further enhance its conversational user interface, as well as the launch of ADP Assist, our embedded smart support AI designed to help make HR work easier, smarter and ultimately, more human. We continued to provide Unmatched Expertise and Outsourcing Solutions with the launch of Agent Assist, which embeds gen AI in the flow of work for ADP implementation and service associates to increase their agility and expertise in order to help them deliver a better client experience. And we continued to Leverage our Global Scale to Benefit our Clients by acquiring the payroll business of BTR, our long-time partner in Sweden, and by launching Roll in Ireland to expand our SMB business outside of the U.S.

For the three months ended September 30, 2023, we delivered solid revenue growth of 7%, 7% organic constant currency. Our pays per control metric, which represents the number of employees on ADP clients' payrolls in the United States when measured on a same-store-sales basis for a subset of clients ranging from small to large businesses, grew 2% for the three months ended September 30, 2023 as compared to the three months ended September 30, 2022. PEO average worksite employees increased 2% for the three months ended September 30, 2023, as compared to the three months ended September 30, 2022.

We have a strong business model, generating significant cash flows with low capital intensity, and offer a suite of products that provide critical support to our clients’ HCM functions. We generate sufficient free cash flow to satisfy our cash dividend and our modest debt obligations, which enables us to absorb the impact of downturns and remain steadfast in our re-investments, longer term strategy, and commitments to shareholder friendly actions. We are committed to building upon our past successes by investing in our business through enhancements in research and development and by driving meaningful transformation in the way we operate. Our financial condition remains solid at September 30, 2023 and we remain well positioned to support our clients and our associates.

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RESULTS AND ANALYSIS OF CONSOLIDATED OPERATIONS

Total Revenues

For the three months ended September 30, respectively:

	Three Months Ended
	September 30,
	2023		2022
Total Revenues	4,512.4		4,215.6
YoY Growth	7	%	10	%
YoY Growth, Organic Constant Currency	7	%	11	%

Revenues for the three months ended September 30, 2023 increased due to new business started from New Business Bookings, strong client retention, an increase in zero-margin benefits pass-throughs, an increase in our pays per control, and an increase in pricing.

Total revenues for the three months ended September 30, 2023 include interest on funds held for clients of $201.7 million, as compared to $141.0 million for the three months ended September 30, 2022. The increase in the interest earned on funds held for clients resulted from an increase in our average interest rate earned to 2.6% for the three months ended September 30, 2023, as compared to 1.9% for the three months ended September 30, 2022, and an increase in our average client funds balances of 5.9% to $31.1 billion for the three months ended September 30, 2023.

Total Expenses

	Three Months Ended
	September 30,
	2023		2022		% Change
Costs of revenues:
Operating expenses	$	2,157.6	$	2,074.4	4	%
Research and development	236.5		209.8		13	%
Depreciation and amortization	121.3		109.4		11	%
Total costs of revenues	2,515.4		2,393.6		5	%
Selling, general and administrative expenses	880.3		800.3		10	%
Interest expense	91.6		51.2		79	%
Total expenses	$	3,487.3	$	3,245.1	7	%

For the three months ended September 30, 2023, operating expenses increased due to an increase in our PEO Services zero-margin benefits pass-through costs of $30.9 million to $976.7 million for the three months ended September 30, 2023. Additionally, operating expenses increased $21.0 million due to increased service and implementation costs in support of our growing revenue, and an unfavorable impact of one percentage point from foreign currency.

Research and development expenses increased for the three months ended September 30, 2023 due to increased investments and costs to develop, support, and maintain our new and existing products.

Depreciation and amortization expenses increased for the three months ended September 30, 2023 due to the amortization of internally developed software products and new investments in purchased software.

Selling, general and administrative expenses increased for the three months ended September 30, 2023 due to increased selling expenses as a result of investments in our sales organization.

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Interest expense increased for the three months ended September 30, 2023 due to the increase in average interest rates on commercial paper issuances and reverse repurchases to 5.3% and 5.3% for the months ended September 30, 2023, as compared to 2.3% and 2.4% for the months ended September 30, 2022, respectively, partially offset by lower volume of average commercial paper borrowings, as compared to the three months ended September 30, 2022.

Other (Income)/Expense, net

	Three Months Ended
	September 30,
	2023		2022		$ Change
Interest income on corporate funds	$	(46.5)	$	(29.7)	$	16.8
Realized losses/(gains) on available-for-sale securities, net	1.9		1.5		(0.4)
Gain on sale of assets	(14.6)		—		14.6
Impairment of assets	—		0.3		0.3
Non-service components of pension income, net	(8.5)		(11.6)		(3.1)
Other (income)/expense, net	$	(67.7)	$	(39.5)	$	28.2

Interest income on corporate funds increased due to higher average interest rates of 2.6% for the three months ended September 30, 2023, as compared to 1.7% for the three months ended September 30, 2022. In the three months ended September 30, 2023, the Company recognized a gain of $14.6 million in relation to the sale of a building. See Note 10 of our Consolidated Financial Statements for further details on non-service components of pension income, net.

Earnings Before Income Taxes ("EBIT") and Adjusted EBIT

For the three months ended September 30:

	Three Months Ended
	September 30,
	2023			2022			YoY Growth
EBIT	$	1,092.8		$	1,010.0		8	%
EBIT Margin	24.2		%	24.0		%	30 bps
Adjusted EBIT	$	1,093.3		$	1,017.5		7	%
Adjusted EBIT Margin	24.2		%	24.1		%	10 bps

Earnings before income taxes increased for the three months ended September 30, 2023, due to the components discussed above.

Margin increased for the three months ended September 30, 2023, due to contributions from client funds interest revenues discussed above, operating efficiencies for costs of servicing our clients on growing revenue, and a gain on sale of assets, partially offset by increased investments and costs to develop, support and maintain our new and existing products, increased interest expense, and increased selling expense.

Adjusted EBIT and Adjusted EBIT margin exclude interest income and interest expense that are not related to our client funds extended investment strategy, legal settlements, and net charges related to our broad-based transformation initiatives and the impact of net severance charges, as applicable, in the respective periods.

Provision for Income Taxes

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The effective tax rate for the three months ended September 30, 2023 and 2022 was 21.4% and 22.9%, respectively. The decrease is primarily due to lower reserves for uncertain tax positions and a valuation allowance release offset by a lower excess tax benefit on stock-based compensation in the three months ended September 30, 2023.

Adjusted Provision for Income Taxes

The adjusted effective tax rate for the three months ended September 30, 2023 and 2022 was 21.4% and 22.9%, respectively. The drivers of the adjusted effective tax rate are the same as the drivers of the effective tax rate discussed above.

Net Earnings and Diluted EPS, Unadjusted and Adjusted

For the three months ended September 30:

	Three Months Ended
	September 30,
	2023		2022		YoY Growth
Net earnings	$	859.4	$	779.0	10	%
Diluted EPS	$	2.08	$	1.87	11	%
Adjusted net earnings	$	859.9	$	775.4	11	%
Adjusted diluted EPS	$	2.08	$	1.86	12	%

For the three months ended September 30, 2023, net earnings reflect the changes described above in our earnings before income taxes and our effective tax rate.

For the three months ended September 30, 2023, in addition to the increase in net earnings, diluted EPS increased as a result of the impact of fewer shares outstanding resulting from the repurchase of approximately 1.0 million shares during the three months ended September 30, 2023, and 1.4 million shares during the three months ended September 30, 2022, partially offset by the issuances of shares under our employee benefit plans.

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ANALYSIS OF REPORTABLE SEGMENTS

	Revenues
	Three Months Ended				% Change
	September 30,
	2023		2022		As Reported		Organic constant currency
Employer Services	$	3,046.4	$	2,790.2	9	%	8	%
PEO Services	1,469.6		1,429.4		3	%	3	%
Other	(3.6)		(4.0)		n/m		n/m
	$	4,512.4	$	4,215.6	7	%	7	%

	Earnings before Income Taxes
	Three Months Ended				% Change
	September 30,
	2023		2022		As Reported
Employer Services	$	1,008.5	$	863.5	17	%
PEO Services	222.9		230.3		(3)	%
Other	(138.6)		(83.8)		n/m
	$	1,092.8	$	1,010.0	8	%

	Margin
	Three Months Ended
	September 30,
	2023		2022		YoY Growth
Employer Services	33.1	%	30.9	%	220 bps
PEO Services	15.2	%	16.1	%	(90) bps

n/m - not meaningful

Employer Services

Revenues

Revenues increased for the three months ended September 30, 2023 due to new business started from New Business Bookings, strong client retention, an increase in our pays per control of 2%, an increase in interest earned on funds held for clients, an increase in pricing, and a favorable impact of one percentage point from foreign currency.

Earnings before Income Taxes

Employer Services' earnings before income taxes increased 17% for the three months ended September 30, 2023 due to contributions from client funds interest revenues discussed above, and operating efficiencies for costs of servicing our clients on growing revenue, partially offset by increased investments and costs to develop, support, and maintain our new and existing products.

Margin

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Employer Services' margin increased for the three months ended September 30, 2023 due to contributions from client funds interest revenues discussed above, and operating efficiencies for costs of servicing our clients on growing revenue, partially offset by increased investments and costs to develop, support, and maintain our new and existing products.

PEO Services

Revenues

	PEO Revenues
	Three Months Ended				Change
	September 30,
	2023		2022		$		%
PEO Services' revenues	$	1,469.6	$	1,429.4	$	40.2	3	%
Less: PEO zero-margin benefits pass-throughs	976.7		945.8		30.9		3	%
PEO Services' revenues excluding zero-margin benefits pass-throughs	$	492.9	$	483.6	$	9.3	2	%

PEO Services' revenue increased for the three months ended September 30, 2023, due to increases in zero-margin benefits pass-throughs, an increase in pricing, and increases in average worksite employees of 2% for the three months ended September 30, 2023, as compared to the three months ended September 30, 2022.

Earnings before Income Taxes

PEO Services' earnings before income taxes decreased 3% for the three months ended September 30, 2023 due to a change of $8.3 million in our estimated losses related to ADP Indemnity compared to prior year, increases in zero-margin benefits pass-through costs of $30.9 million, and increases in selling expenses for the three months ended September 30, 2023, partially offset by increased revenues discussed above.

Margin

PEO Services' margin decreased for the three months ended September 30, 2023 due to incremental pressure from growth in our zero-margin benefits pass-throughs, changes in our estimated losses related to ADP Indemnity, and increases in selling expenses, partially offset by increased revenues discussed above.

ADP Indemnity provides workers’ compensation and employer’s liability deductible reimbursement insurance protection for PEO Services’ worksite employees up to $1 million per occurrence. PEO Services has secured a workers’ compensation and employer’s liability insurance policy that caps the exposure for each claim at $1 million per occurrence and has also secured aggregate stop loss insurance that caps aggregate losses at a certain level in fiscal years 2012 and prior from an admitted and licensed insurance company of AIG. We utilize historical loss experience and actuarial judgment to determine the estimated claim liability, and changes in estimated ultimate incurred losses are included in the PEO segment. 

Additionally, starting in fiscal year 2013, ADP Indemnity paid premiums to enter into reinsurance arrangements with ACE American Insurance Company, a wholly-owned subsidiary of Chubb Limited (“Chubb”), to cover substantially all losses incurred by the Company up to the $1 million per occurrence related to the workers' compensation and employer's liability deductible reimbursement insurance protection for PEO Services' worksite employees. Each of these reinsurance arrangements limits our overall exposure incurred up to a certain limit. The Company believes the likelihood of ultimate losses exceeding this limit is remote. ADP Indemnity recorded a pre-tax benefit of approximately $6.2 million for the three months ended September 30, 2023, as compared to approximately $14.5 million for the three months ended September 30, 2022, which was primarily a result of changes in our estimated actuarial losses. In July 2023, ADP Indemnity paid a premium of $269 million to enter into a reinsurance arrangement with Chubb Limited to cover substantially all losses incurred by ADP Indemnity for the fiscal 2024 policy year on terms substantially similar to the fiscal 2023 reinsurance policy.

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Other

The primary components of “Other” are certain corporate overhead charges and expenses that have not been allocated to the reportable segments, including corporate functions, costs related to our transformation office, severance costs, non-recurring gains and losses, the elimination of intercompany transactions, and other interest income and expense.

Non-GAAP Financial Measures

In addition to our U.S. GAAP results, we use the adjusted results and other non-GAAP metrics set forth in the table below to evaluate our operating performance in the absence of certain items and for planning and forecasting of future periods:

Adjusted Financial Measure	U.S. GAAP Measures
Adjusted EBIT	Net earnings
Adjusted provision for income taxes	Provision for income taxes
Adjusted net earnings	Net earnings
Adjusted diluted earnings per share	Diluted earnings per share
Adjusted effective tax rate	Effective tax rate
Organic constant currency	Revenues

We believe that the exclusion of the identified items helps us reflect the fundamentals of our underlying business model and analyze results against our expectations and against prior period, and to plan for future periods by focusing on our underlying operations. We believe that the adjusted results provide relevant and useful information for investors because it allows investors to view performance in a manner similar to the method used by management and improves their ability to understand and assess our operating performance.  The nature of these exclusions is for specific items that are not fundamental to our underlying business operations.  Since these adjusted financial measures and other non-GAAP metrics are not measures of performance calculated in accordance with U.S. GAAP, they should not be considered in isolation from, as a substitute for, or superior to their corresponding U.S. GAAP measures, and they may not be comparable to similarly titled measures at other companies.

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	Three Months Ended						% Change
	September 30,
	2023			2022			As Reported
Net earnings	$	859.4		$	779.0		10	%
Adjustments:
Provision for income taxes	233.4			231.0
All other interest expense (a)	18.0			17.9
All other interest income (a)	(18.2)			(5.6)
Transformation initiatives (b)	0.7			(1.0)
Legal settlements	—			(3.8)
Adjusted EBIT	$	1,093.3		$	1,017.5		7	%
Adjusted EBIT Margin	24.2		%	24.1		%
Provision for income taxes	$	233.4		$	231.0		1	%
Adjustments:
Transformation initiatives (c)	0.2			(0.2)
Legal settlements (c)	—			(1.0)
Adjusted provision for income taxes	$	233.6		$	229.8		2	%
Adjusted effective tax rate (d)	21.4		%	22.9		%
Net earnings	$	859.4		$	779.0		10	%
Adjustments:
Transformation initiatives (b)	0.7			(1.0)
Income tax (benefit)/provision for transformation initiatives (c)	(0.2)			0.2
Legal settlements	—			(3.8)
Income tax (benefit)/provision for legal settlements (c)	—			1.0
Adjusted net earnings	$	859.9		$	775.4		11	%
Diluted EPS	$	2.08		$	1.87		11	%
Adjustments:
Transformation initiatives (b) (c)	—			—
Legal settlements (c)	—			(0.01)
Adjusted diluted EPS	$	2.08		$	1.86		12	%

(a) We include the interest income earned on investments associated with our client funds extended investment strategy and interest expense on borrowings related to our client funds extended investment strategy as we believe these amounts to be fundamental to the underlying operations of our business model. The adjustments in the table above represent the interest income and interest expense that are not related to our client funds extended investment strategy and are labeled as “All other interest expense” and “All other interest income.”

(b) In the three months ended September 30, 2023, transformation initiatives include consulting costs relating to our company wide transformation initiatives.

(c) The income tax (benefit)/provision was calculated based on the annualized marginal rate in effect during the quarter of the adjustment.

(d) The Adjusted effective tax rate is calculated as our Adjusted provision for income taxes divided by the sum of our Adjusted net earnings plus our Adjusted provision for income taxes.

The following table reconciles our reported growth rates to the non-GAAP measure of organic constant currency, which excludes the impact of acquisitions, the impact of dispositions, and the impact of foreign currency. The impact of acquisitions and dispositions is calculated by excluding the current year revenues of acquisitions until the one-year anniversary of the transaction and by excluding the prior year revenues of divestitures for the one-year period preceding the transaction. The

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impact of foreign currency is determined by calculating the current year result using foreign exchange rates consistent with the prior year. The PEO segment is not impacted by acquisitions, dispositions or foreign currency.

	Three Months Ended
	September 30,
	2023
Consolidated revenue growth as reported	7	%
Adjustments:
Impact of acquisitions	—	%
Impact of foreign currency	—	%
Consolidated revenue growth, organic constant currency	7	%
Employer Services revenue growth as reported	9	%
Adjustments:
Impact of acquisitions	—	%
Impact of foreign currency	(1)	%
Employer Services revenue growth, organic constant currency	8	%

FINANCIAL CONDITION, LIQUIDITY AND CAPITAL RESOURCES

At September 30, 2023, cash and cash equivalents were $1.4 billion, which were primarily invested in time deposits and money market funds.

For corporate liquidity, we expect existing cash, cash equivalents, short-term and long-term marketable securities, cash flow from operations together with our $9.7 billion of committed credit facilities and our ability to access both long-term and short-term debt financing from the capital markets will be adequate to meet our operating, investing, and financing activities such as regular quarterly dividends, share repurchases, and capital expenditures for the foreseeable future. Our financial condition remains solid at September 30, 2023 and we have sufficient liquidity.

For client funds liquidity, we have the ability to borrow through our financing arrangements under our U.S. short-term commercial paper program and our U.S., Canadian and United Kingdom short-term reverse repurchase agreements, together with our $9.7 billion of committed credit facilities and our ability to use corporate liquidity when necessary to meet short-term funding requirements related to client funds obligations. Please see “Quantitative and Qualitative Disclosures about Market Risk” for a further discussion of the risks related to our client funds extended investment strategy. See Note 9 of our Consolidated Financial Statements for a description of our short-term financing including commercial paper.

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Operating, Investing and Financing Cash Flows

Our cash flows from operating, investing, and financing activities, as reflected in the Statements of Consolidated Cash Flows for the three months ended September 30, 2023 and 2022, respectively, are summarized as follows:

	Three Months Ended
	September 30,
	2023		2022		$ Change
Cash provided by / (used in):
Operating activities	$	326.5	$	718.1	$	(391.6)
Investing activities	(216.1)		(1,577.6)		1,361.5
Financing activities	(1,903.7)		(16,302.6)		14,398.9
Effect of exchange rate changes on cash, cash equivalents, restricted cash, and restricted cash equivalents	(16.3)		(44.9)		28.6
Net change in cash, cash equivalents, restricted cash, and restricted cash equivalents	$	(1,809.6)	$	(17,207.0)	$	15,397.4

Net cash flows provided by operating activities decreased due to a net unfavorable change in the components of operating assets and liabilities, primarily due to timing on collections of accounts receivable, offset by growth in our underlying business (net income adjusted for non-cash adjustments), as compared to the three months ended September 30, 2022.

Net cash flows used in investing activities changed due to the timing of purchases and proceeds of corporate and client funds marketable securities of $1,367.7 million.

Net cash flows used in financing activities changed due to a net decrease in the cash flow from client funds obligations of $14,217.1 million, which is due to the timing of impounds from our clients and payments to our clients' employees and other payees, a decrease in the repurchases of common stock, and an increase in the net proceeds related to reverse repurchase agreements. These were offset by an increase in dividends paid.

We purchased approximately 1.0 million shares of our common stock at an average price per share of $242.26 during the three months ended September 30, 2023, as compared to purchases of 1.4 million shares at an average price per share of $230.13 during the three months ended September 30, 2022. From time to time, the Company may repurchase shares of its common stock under its authorized share repurchase program. The Company considers several factors in determining when to execute share repurchases, including, among other things, actual and potential acquisition activity, cash balances and cash flows, issuances due to employee benefit plan activity, and market conditions.

Capital Resources and Client Funds Obligations

We have $3.0 billion of senior unsecured notes with maturity dates in 2025, 2028 and 2030. We may from time to time revisit the long-term debt market to refinance existing debt, finance investments including acquisitions for our growth, and maintain the appropriate capital structure. However, there can be no assurance that volatility in the global capital and credit markets would not impair our ability to access these markets on terms acceptable to us, or at all. See Note 10 of our Consolidated Financial Statements for a description of our long-term financing.

Our U.S. short-term funding requirements primarily related to client funds are sometimes obtained on an unsecured basis through the issuance of commercial paper, rather than liquidating previously-collected client funds that have already been invested in available-for-sale securities. This commercial paper program provides for the issuance of up to $9.7 billion in aggregate maturity value. Our commercial paper program is rated A-1+ by Standard & Poor’s, Prime-1 (“P-1”) by Moody’s and F1+ by Fitch. These ratings denote the highest quality commercial paper securities. Maturities of commercial paper can range from overnight to up to 364 days. At September 30, 2023 and June 30, 2023, the Company had no commercial paper borrowing outstanding. Details of the borrowings under the commercial paper program are as follows:

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	Three Months Ended
	September 30,
	2023			2022
Average daily borrowings (in billions)	$	4.1		$	4.6
Weighted average interest rates	5.3		%	2.3		%
Weighted average maturity (approximately in days)	2 days			2 days

Our U.S., Canadian, and United Kingdom short-term funding requirements related to client funds obligations are sometimes obtained on a secured basis through the use of reverse repurchase agreements, which are collateralized principally by government and government agency securities, rather than liquidating previously-collected client funds that have already been invested in available-for-sale securities. These agreements generally have terms ranging from overnight to up to five business days. We have successfully borrowed through the use of reverse repurchase agreements on an as-needed basis to meet short-term funding requirements related to client funds obligations. At September 30, 2023 and June 30, 2023, the Company had $343.8 million and $105.4 million, respectively, of outstanding obligations related to reverse repurchase agreements. Details of the reverse repurchase agreements are as follows:

	Three Months Ended
	September 30,
	2023			2022
Average outstanding balances	$	1,379.0		$	1,119.4
Weighted average interest rates	5.3		%	2.4		%

We vary the maturities of our committed credit facilities to limit the refinancing risk of any one facility. We have a $4.25 billion, 364-day credit agreement that matures in June 2024 with a one year term-out option. In addition, we have a five-year $3.2 billion credit facility and a five-year $2.25 billion credit facility maturing in June 2026 and June 2028, respectively, each with an accordion feature under which the aggregate commitment can be increased by $500 million, subject to the availability of additional commitments. The primary uses of the credit facilities are to provide liquidity to the commercial paper program and funding for general corporate purposes, if necessary. We had no borrowings through September 30, 2023 under the credit facilities. We believe that we currently meet all conditions set forth in the revolving credit agreements to borrow thereunder and we are not aware of any conditions that would prevent us from borrowing part or all of the $9.7 billion available to us under the revolving credit agreements. See Note 9 of our Consolidated Financial Statements for a description of our short-term financing, including credit facilities.

Our investment portfolio does not contain any asset-backed securities with underlying collateral of sub-prime mortgages, alternative-A mortgages, sub-prime auto loans or sub-prime home equity loans, collateralized debt obligations, collateralized loan obligations, credit default swaps, derivatives, auction rate securities, structured investment vehicles or non-investment grade fixed-income securities. We own AAA-rated senior tranches of primarily fixed rate auto loan, credit card, and equipment lease receivables, secured predominantly by prime collateral. All collateral on asset-backed securities has performed as expected through September 30, 2023. In addition, we own U.S. government securities which primarily include debt directly issued by Federal Farm Credit Banks and Federal Home Loan Banks. Our client funds investment strategy is structured to allow us to average our way through an interest rate cycle by laddering the maturities of our investments out to five years (in the case of the extended portfolio) and out to ten years (in the case of the long portfolio). This investment strategy is supported by our short-term financing arrangements necessary to satisfy short-term funding requirements relating to client funds obligations. See Note 6 of our Consolidated Financial Statements for a description of our corporate investments and funds held for clients.

Capital expenditures for the three months ended September 30, 2023 were $42.2 million, as compared to $41.5 million for the three months ended September 30, 2022. We expect capital expenditures in fiscal 2024 to be between $200 million and $225 million, as compared to $206.0 million in fiscal 2023.

33

QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Our overall investment portfolio is comprised of corporate investments (cash and cash equivalents, short-term and long-term marketable securities) and client funds assets (funds that have been collected from clients but have not yet been remitted to the applicable tax authorities or client employees).

Our corporate investments are invested in cash and cash equivalents and highly liquid, investment-grade marketable securities. These assets are available for our regular quarterly dividends, share repurchases, capital expenditures and/or acquisitions, as well as other corporate operating purposes. All of our short-term and long-term fixed-income securities are classified as available-for-sale securities.

Our client funds assets are invested with safety of principal, liquidity, and diversification as the primary objectives. Consistent with those objectives, we also seek to maximize interest income and to minimize the volatility of interest income. Client funds assets are invested in highly liquid, investment-grade marketable securities, with a maximum maturity of 10 years at the time of purchase, and money market securities and other cash equivalents.  

We utilize a strategy by which we extend the maturities of our investment portfolio for funds held for clients and employ short-term financing arrangements to satisfy our short-term funding requirements related to client funds obligations. Our client funds investment strategy is structured to allow us to average our way through an interest rate cycle by laddering the maturities of our investments out to five years (in the case of the extended portfolio) and out to ten years (in the case of the long portfolio). As part of our client funds investment strategy, we use the daily collection of funds from our clients to satisfy other unrelated client funds obligations, rather than liquidating previously-collected client funds that have already been invested in available-for-sale securities. In circumstances where we experience a reduction in employment levels due to a slowdown in the economy, we may make tactical decisions to sell certain securities or not reinvest maturing securities in order to reduce the size of the funds held for clients to correspond to client funds obligations. We minimize the risk of not having funds collected from a client available at the time such client’s obligation becomes due by impounding, in virtually all instances, the client’s funds in advance of the timing of payment of such client’s obligation. As a result of this practice, we have consistently maintained the required level of client funds assets to satisfy all of our obligations.

There are inherent risks and uncertainties involving our investment strategy relating to our client funds assets. Such risks include liquidity risk, including the risk associated with our ability to liquidate, if necessary, our available-for-sale securities in a timely manner in order to satisfy our client funds obligations. However, our investments are made with the safety of principal, liquidity, and diversification as the primary goals to minimize the risk of not having sufficient funds to satisfy all of our client funds obligations. We also believe we have significantly reduced the risk of not having sufficient funds to satisfy our client funds obligations by consistently maintaining access to other sources of liquidity, including our corporate cash balances, available borrowings under our $9.7 billion commercial paper program (rated A-1+ by Standard and Poor’s, P-1 by Moody’s, and F1+ by Fitch, the highest possible short-term credit ratings), and our ability to engage in reverse repurchase agreement transactions and available borrowings under our $9.7 billion committed credit facilities. The reduced availability of financing during periods of economic turmoil, even to borrowers with the highest credit ratings, may limit our ability to access short-term debt markets to meet the liquidity needs of our business. In addition to liquidity risk, our investments are subject to interest rate risk and credit risk, as discussed below.

We have established credit quality, maturity, and exposure limits for our investments. The minimum allowed credit rating at time of purchase for Corporate, Canadian government agency and Canadian provincial bonds is BBB, for asset-backed securities is AAA, and for municipal bonds is A. The maximum maturity at time of purchase for BBB-rated securities is 5 years, for single A rated securities is 10 years, and for AA-rated and AAA-rated securities is 10 years. Time deposits and commercial paper must be rated A-1 and/or P-1. Money market funds must be rated AAA/Aaa-mf.

34

Details regarding our overall investment portfolio are as follows:

	Three Months Ended
	September 30,
	2023			2022
Average investment balances at cost:
Corporate investments	$	7,129.0		$	7,141.9
Funds held for clients	31,129.4			29,396.4
Total	$	38,258.4		$	36,538.3
Average interest rates earned exclusive of realized    (gains)/losses on:
Corporate investments	2.6		%	1.7		%
Funds held for clients	2.6		%	1.9		%
Total	2.6		%	1.9		%
Net realized losses/(gains) on available-for-sale securities	$	1.9		$	1.5

 

	September 30, 2023		June 30, 2023
Net unrealized pre-tax (losses)/gains on available-for-sale securities	$	(2,355.6)	$	(2,206.9)
Total available-for-sale securities at fair value	$	29,600.4	$	29,764.9

We are exposed to interest rate risk in relation to securities that mature, as the proceeds from maturing securities are reinvested. Factors that influence the earnings impact of interest rate changes include, among others, the amount of invested funds and the overall portfolio mix between short-term and long-term investments. This mix varies during the fiscal year and is impacted by daily interest rate changes. The annualized interest rate earned on our entire portfolio increased from 1.9% for the three months ended September 30, 2022 to 2.6% for the three months ended September 30, 2023. A hypothetical change in both short-term interest rates (e.g., overnight interest rates or the federal funds rate) and intermediate-term interest rates of 25 basis points applied to the estimated average investment balances and any related short-term borrowings would result in approximately a $17 million impact to earnings before income taxes over the ensuing twelve-month period ending September 30, 2024. A hypothetical change in only short-term interest rates of 25 basis points applied to the estimated average short-term investment balances and any related short-term borrowings would result in approximately a $6 million impact to earnings before income taxes over the ensuing twelve-month period ending September 30, 2024.

We are exposed to credit risk in connection with our available-for-sale securities through the possible inability of the borrowers to meet the terms of the securities. We limit credit risk by investing in investment-grade securities, primarily AAA-rated and AA- rated securities, as rated by Moody’s, Standard & Poor’s, DBRS for Canadian dollar denominated securities, and Fitch for asset-backed and commercial-mortgage-backed securities. In addition, we limit amounts that can be invested in any security other than U.S. government and government agency, Canadian government, and United Kingdom government securities.

We operate and transact business in various foreign jurisdictions and are therefore exposed to market risk from changes in foreign currency exchange rates that could impact our consolidated results of operations, financial position, or cash flows. We manage our exposure to these market risks through our regular operating and financing activities and, when deemed appropriate, through the use of derivative financial instruments. We may use derivative financial instruments as risk management tools and not for trading purposes.

35

CRITICAL ACCOUNTING POLICIES

Our Consolidated Financial Statements and accompanying notes have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). The preparation of these financial statements requires management to make estimates, judgments, and assumptions that affect reported amounts of assets, liabilities, revenues, expenses, and other comprehensive income. We continually evaluate the accounting policies and estimates used to prepare the Consolidated Financial Statements. The estimates are based on historical experience and assumptions believed to be reasonable under current facts and circumstances. Actual amounts and results could differ from these estimates made by management. Refer to Note 2 of our Consolidated Financial Statements for changes to our accounting policies effective for the fiscal 2024.

NEW ACCOUNTING PRONOUNCEMENTS

See Note 2, New Accounting Pronouncements, of Notes to the Consolidated Financial Statements for a discussion of recent accounting pronouncements.

Item 3.  Quantitative and Qualitative Disclosures About Market Risk

The information called for by this item is provided under the caption “Quantitative and Qualitative Disclosures about Market Risk” under Item 2 – Management's Discussion and Analysis of Financial Condition and Results of Operations.

Item 4.  Controls and Procedures

The Company carried out an evaluation, under the supervision and with the participation of the Company's management, including its Chief Executive Officer and Chief Financial Officer, of the effectiveness of the Company's disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934 (the “evaluation”).  Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by the Company in the reports that it files or submits under the Securities Exchange Act of 1934 is accumulated and communicated to the Company's management, including its Chief Executive Officer and Chief Financial Officer, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.  Based on the evaluation, the Company's Chief Executive Officer and Chief Financial Officer have concluded that the Company's disclosure controls and procedures were effective as of September 30, 2023 in ensuring that (i) information required to be disclosed by the Company in reports that it files or submits under the Securities Exchange Act of 1934 is accumulated and communicated to the Company's management, including its Chief Executive Officer and Chief Financial Officer, to allow timely decisions regarding required disclosure and (ii) such information is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms.

There was no change in the Company's internal control over financial reporting that occurred during the three months ended September 30, 2023 that has materially affected, or is reasonably likely to materially affect, the Company's internal control over financial reporting.

PART II.  OTHER INFORMATION

Except as noted below, all other items are either inapplicable or would result in negative responses and, therefore, have been omitted.

Item 1.  Legal Proceedings

In the normal course of business, the Company is subject to various claims and litigation.  While the outcome of any litigation is inherently unpredictable, the Company believes it has valid defenses with respect to the legal matters pending against it and the Company believes that the ultimate resolution of these matters will not have a material adverse impact on its financial condition, results of operations, or cash flows.

With respect to the disclosure of administrative or judicial proceedings arising under any Federal, State, or local provisions regulating the discharge of materials into the environment or that are primarily for the purpose of protecting the environment, the Company has determined that the following threshold is reasonably designed to result in disclosure of any such proceeding that is material to its business or financial condition: any proceeding when the potential monetary sanctions exceed $1 million.

36

Item 1A.  Risk Factors

There have been no material changes in our risk factors disclosed in Part 1, Item 1A, of our Annual Report on Form 10-K for the fiscal year ended June 30, 2023.

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

Issuer Purchases of Equity Securities

	Total Number of Shares Purchased (1)	Average Price Paid per Share		Total Number of Shares Purchased as Part of the Publicly Announced Common Stock Repurchase Plan (2)	Maximum Approximate Dollar Value of Shares that may yet be Purchased under the Common Stock Repurchase Plan (2) (3)
Period
July 1 to 31, 2023	352,087	$	231.80	350,739	$	4,234,453,654
August 1 to 31, 2023	318,804	$	250.06	318,706	$	4,154,757,578
September 1 to 30, 2023	728,113	$	242.84	363,330	$	4,065,531,455
Total	1,399,004			1,032,775

(1)  During the three months ended September 30, 2023, pursuant to the terms of our restricted stock program, the Company purchased 366,229 shares at the then-market value of the shares to satisfy certain tax withholding requirements for employees upon the vesting of their restricted shares.

(2)  The Company received the Board of Directors' approval to repurchase shares of the Company's common stock as follows:

Date of Approval
November 2022	$5 billion

(3) Inclusive of the impact of the one-percent excise tax under the Inflation Reduction Act of 2022.

There is no expiration date for the common stock repurchase authorization.

37

Item 5.  Other Information

During the fiscal quarter ended September 30, 2023, our executive officers adopted the following trading arrangements that are intended to satisfy the affirmative defense of Rule 10b5–1(c).

Name & Title	Date of Adoption	Duration of Trading Arrangement	The maximum number of securities to be sold pursuant to the trading arrangement (1)
Brock Albinson, Corporate Controller	August 31, 2023	January 2, 2024 – December 31, 2024	9,993
John Ayala, Chief Operating Officer	September 7, 2023	January 16, 2024 – December 31, 2024	48,550
Maria Black, President and Chief Executive Officer	September 8, 2023	January 2, 2024 – December 31, 2024	49,648
Michael Bonarti, Chief Administrative Officer	September 7, 2023	January 2, 2024 – December 31, 2024	71,040
Christopher D’Ambrosio, Chief Strategy Officer	September 7, 2023	September 3, 2024 – September 4, 2024	752
Joseph DeSilva, President, Global Sales	September 8, 2023	January 2, 2024 – December 31, 2024	17,953
Sreeni Kutam, President, Global Product and Innovation	September 7, 2023	January 2, 2024 – December 31, 2024	40,959
David Kwon, Chief Legal Officer/General Counsel	September 8, 2023	January 2, 2024 – December 31, 2024	5,671
Don McGuire, Chief Financial Officer	September 7, 2023	January 2, 2024 – December 31, 2024	26,288
Carlos Rodriguez, Executive Chair	September 7, 2023	January 3, 2024 – December 31, 2024	243,026

(1) Securities reported in this column reflect options, restricted stock units (“RSUs”), performance-based stock units (“PSUs”) and shares of common stock, as appropriate. In the case of RSUs, quantities included in this column reflect the full amount of RSUs as reported in an officer’s respective plan and do not reflect the impact of tax withholding which will not be determined until the RSUs vest. In the case of PSUs (which have a three-year performance period), quantities included in this column reflect the application of the actual performance factor for tranches where performance has been certified, application at target for tranches where performance is not yet complete, and inclusion of accrued dividend equivalents through the date of adoption of the trading arrangement. The PSU amounts do not reflect the impact of tax withholding which will not be determined until the PSUs vest. In addition, securities reported in this column include securities subject to limit orders and such orders may not fill if limit order conditions are not met.

38

Item 6.  Exhibits

Exhibit Number	Exhibit
31.1	Certification by Maria Black pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
31.2	Certification by Don McGuire pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
32.1	Certification by Maria Black pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2	Certification by Don McGuire pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH	Inline XBRL Taxonomy Extension Schema
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase
101.LAB	Inline XBRL Taxonomy Label Linkbase
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase
101.DEF	Inline XBRL Taxonomy Extension Definition Document
104	Cover Page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document

39

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.

		AUTOMATIC DATA PROCESSING, INC. (Registrant)
Date:	November 2, 2023	/s/ Don McGuire Don McGuire
		Chief Financial Officer (Title)

40

EX-31.1

EXHIBIT 31.1

Certification Pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934

I, Maria Black, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Automatic Data Processing, Inc.;

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(s) 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.

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

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

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

Date:	November 2, 2023	/s/ Maria Black
		Maria Black
		President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

Certification Pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934

I, Don McGuire, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Automatic Data Processing, Inc.;

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(s) 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.

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

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

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

Date:	November 2, 2023	/s/ Don McGuire
		Don McGuire
		Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

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 Automatic Data Processing, Inc. (the "Company") on Form 10-Q for the quarter ended September 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Maria Black, 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:

(1)The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

Date:	November 2, 2023	/s/ Maria Black
		Maria Black
		President and Chief Executive Officer

EX-32.2

EXHIBIT 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

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 Automatic Data Processing, Inc. (the "Company") on Form 10-Q for the quarter ended September 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Don McGuire, 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:

(1)The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

Date:	November 2, 2023	/s/ Don McGuire
		Don McGuire
		Chief Financial Officer

XML

Cover page - shares	3 Months Ended
	Sep. 30, 2023	Oct. 31, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	1-5397
Entity Registrant Name	AUTOMATIC DATA PROCESSING, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	22-1467904
Entity Address, Address Line One	One ADP Boulevard
Entity Address, City or Town	Roseland,
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07068
City Area Code	973
Local Phone Number	974-5000
Title of 12(b) Security	Common Stock, $0.10 Par Value(voting)
Trading Symbol	ADP
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		411,304,782
Entity Central Index Key	0000008670
Current Fiscal Year End Date	--06-30
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Amendment Flag	false

XML

Statements of Consolidated Earnings - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Sep. 30, 2023	Sep. 30, 2022
REVENUES:
TOTAL REVENUES		$ 4,512.4	$ 4,215.6
Costs of revenues:
Operating expenses		2,157.6	2,074.4
Research and development		236.5	209.8
Depreciation and amortization		121.3	109.4
TOTAL COSTS OF REVENUES		2,515.4	2,393.6
Selling, general, and administrative expenses		880.3	800.3
Interest expense		91.6	51.2
TOTAL EXPENSES		3,487.3	3,245.1
Other (income)/expense, net		(67.7)	(39.5)
EARNINGS BEFORE INCOME TAXES		1,092.8	1,010.0
Provision for income taxes		233.4	231.0
NET EARNINGS		$ 859.4	$ 779.0
Earnings Per Share [Abstract]
BASIC EARNINGS PER SHARE (in US$ per share)		$ 2.09	$ 1.88
DILUTED EARNINGS PER SHARE (in US$ per share)		$ 2.08	$ 1.87
Basic weighted average shares outstanding (shares)		411.7	414.6
Diluted weighted average shares outstanding (shares)		413.6	416.9
Revenues, other than interest on funds held for clients and PEO revenues
REVENUES:
TOTAL REVENUES		$ 2,843.0	$ 2,646.5
Interest on funds held for clients
REVENUES:
TOTAL REVENUES		201.7	141.0
PEO Revenues
REVENUES:
TOTAL REVENUES	[1]	$ 1,467.7	$ 1,428.1

[1] Professional Employer Organization (“PEO”) revenues are net of direct pass-through costs, primarily consisting of payroll wages and payroll taxes of $15,994.6 million and $15,534.2 million for the three months ended September 30, 2023 and 2022, respectively.

XML

Statements of Consolidated Earnings (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Direct pass-through costs PEO revenues	$ 15,994.6	$ 15,534.2

XML

Statements of Consolidated Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 859.4	$ 779.0
Other comprehensive (loss)/income:
Currency translation adjustments	(44.6)	(84.7)
Unrealized net (losses)/gains on available-for-sale securities	(150.6)	(835.1)
Tax effect	30.1	185.8
Reclassification of realized net losses/(gains) on available-for-sale securities to net earnings	1.9	1.5
Tax effect	(0.4)	(0.3)
Amortization of unrealized losses on cash flow hedging activities	1.1	1.1
Tax effect	(0.3)	(0.3)
Reclassification of pension liability adjustment to net earnings	1.0	2.1
Tax effect	(0.2)	(0.5)
Other comprehensive (loss)/income, net of tax	(162.0)	(730.4)
Comprehensive income	$ 697.4	$ 48.6

XML

Consolidated Balance Sheets - USD ($) $ in Millions		Sep. 30, 2023	Jun. 30, 2023
Current assets:
Cash and cash equivalents		$ 1,441.4	$ 2,083.5
Accounts receivable, net of allowance for doubtful accounts of $50.3 and $53.0, respectively		3,095.1	3,009.6
Other current assets		1,180.7	743.9
Total current assets before funds held for clients		5,717.2	5,837.0
Funds held for clients		34,762.9	36,333.6
Total current assets		40,480.1	42,170.6
Long-term receivables, net of allowance for doubtful accounts of $0.0 and $0.1, respectively		8.3	8.5
Property, plant and equipment, net		660.4	681.4
Operating lease right-of-use asset		380.5	402.4
Deferred contract costs		2,758.0	2,769.7
Other assets		1,352.0	1,255.4
Goodwill		2,352.5	2,339.4
Intangible assets, net		1,331.8	1,343.6
Total assets		49,323.6	50,971.0
Current liabilities:
Accounts payable		67.4	96.8
Accrued expenses and other current liabilities		2,292.0	2,342.6
Accrued payroll and payroll-related expenses		554.2	941.4
Dividends payable		509.9	510.0
Short-term deferred revenues		182.8	188.6
Obligations under reverse repurchase agreements	[1]	343.8	105.4
Income taxes payable		179.8	44.2
Total current liabilities before client funds obligations		4,129.9	4,229.0
Client funds obligations		37,098.8	38,538.6
Total current liabilities		41,228.7	42,767.6
Long-term debt		2,989.8	2,989.0
Operating lease liabilities		334.3	349.9
Other liabilities		893.0	933.7
Deferred income taxes		67.7	73.6
Long-term deferred revenues		337.3	348.1
Total liabilities		45,850.8	47,461.9
Commitments and contingencies (Note 13)
Stockholders' equity:
Preferred stock, $1.00 par value: authorized, 0.3 shares; issued, none		0.0	0.0
Common stock, $0.10 par value: authorized, 1,000.0 shares; issued, 638.7 shares at September 30, 2023 and June 30, 2023; outstanding, 411.7 and 412.1 shares at September 30, 2023 and June 30, 2023, respectively		63.9	63.9
Capital in excess of par value		2,188.7	2,102.3
Retained earnings		22,455.4	22,118.0
Treasury stock - at cost: 227.0 and 226.6 shares at September 30, 2023 and June 30, 2023, respectively		(18,767.4)	(18,469.3)
Accumulated other comprehensive (loss)/ income		(2,467.8)	(2,305.8)
Total stockholders’ equity		3,472.8	3,509.1
Total liabilities and stockholders’ equity		$ 49,323.6	$ 50,971.0

[1] As of September 30, 2023, $131.9 million of short-term marketable securities, $211.2 million of long-term marketable securities and $0.7 million of cash and cash equivalents have been pledged as collateral under the Company's reverse repurchase agreements. As of June 30, 2023, $104.6 million of long-term marketable securities and $0.8 million of cash and cash equivalents have been pledged as collateral under the Company's reverse repurchase agreements (see Note 9)

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Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions	Sep. 30, 2023	Jun. 30, 2023
Statement of Financial Position [Abstract]
Allowance for doubtful accounts - trade receivables - current	$ 50.3	$ 53.0
Allowance for doubtful accounts - trade receivables - long-term	$ 0.0	$ 0.1
Preferred stock, par value (in US$ per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized (in shares)	0.3	0.3
Preferred stock, shares issued (in shares)	0.0	0.0
Common stock, par value (in US$ per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	1,000.0	1,000.0
Common stock, shares issued (in shares)	638.7	638.7
Common stock, shares outstanding (in shares)	411.7	412.1
Treasury stock, shares (in shares)	227.0	226.6
Short-term marketable securities under reverse repurchase agreements	$ 131.9
Long-term marketable securities under reverse repurchase agreements	211.2	$ 104.6
Cash and cash equivalents under reverse repurchase agreements	$ 0.7	$ 0.8

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Statements of Consolidated Cash Flows - USD ($) $ in Millions		3 Months Ended
		Sep. 30, 2023	Sep. 30, 2022
Cash Flows from Operating Activities:
Net earnings		$ 859.4	$ 779.0
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Depreciation and amortization		141.5	135.1
Amortization of deferred contract costs		262.3	243.5
Deferred income taxes		26.8	20.5
Stock-based compensation expense		58.8	50.6
Net pension income		(5.8)	(9.3)
Net accretion of discounts and amortization of premiums on available-for-sale securities		(5.5)	16.0
Other		2.7	10.6
Changes in operating assets and liabilities:
(Increase)/Decrease in accounts receivable		(107.9)	201.5
Increase in deferred contract costs		(261.9)	(239.6)
Increase in other assets		(304.9)	(264.4)
Decrease in accounts payable		(30.4)	(30.7)
Decrease in accrued expenses and other liabilities		(308.6)	(194.7)
Net cash flows provided by operating activities		326.5	718.1
Cash Flows from Investing Activities:
Purchases of corporate and client funds marketable securities		(710.2)	(3,064.5)
Proceeds from the sales and maturities of corporate and client funds marketable securities		632.0	1,618.6
Capital expenditures		(39.3)	(45.4)
Additions to intangibles		(87.0)	(86.3)
Acquisitions of businesses, net of cash acquired		(33.6)	0.0
Proceeds from sale of property, plant, and equipment and other assets		22.0	0.0
Net cash flows used in investing activities		(216.1)	(1,577.6)
Cash Flows from Financing Activities:
Net decrease in client funds obligations		(1,374.9)	(15,592.0)
Payments of debt		(0.2)	(0.2)
Repurchases of common stock		(250.0)	(333.3)
Net proceeds from stock purchase plan and stock-based compensation plans		(36.6)	1.0
Dividends paid		(515.8)	(432.9)
Net proceeds related to reverse repurchase agreements		273.8	54.8
Net cash flows used in financing activities		(1,903.7)	(16,302.6)
Effect of exchange rate changes on cash, cash equivalents, restricted cash, and restricted cash equivalents		(16.3)	(44.9)
Net change in cash, cash equivalents, restricted cash, and restricted cash equivalents		(1,809.6)	(17,207.0)
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period		8,771.5	22,783.0
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period		6,961.9	5,576.0
Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents to the Consolidated Balance Sheets
Cash and cash equivalents		1,441.4	1,207.7
Restricted cash and restricted cash equivalents included in funds held for clients (A)	[1]	5,520.5	4,368.3
Total cash, cash equivalents, restricted cash, and restricted cash equivalents		6,961.9	5,576.0
Supplemental disclosures of cash flow information:
Cash paid for interest		97.0	56.7
Cash paid for income taxes, net of income tax refunds		$ 87.9	$ 57.5

[1] See Note 6 for a reconciliation of restricted cash and restricted cash equivalents in funds held for clients on the Consolidated Balance Sheets.

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Basis of Presentation

3 Months Ended

Sep. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying Consolidated Financial Statements and footnotes thereto of Automatic Data Processing, Inc., its subsidiaries and variable interest entity (“ADP” or the “Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”).  The Consolidated Financial Statements and footnotes thereto are unaudited.  In the opinion of the Company’s management, the Consolidated Financial Statements reflect all adjustments, which are of a normal recurring nature, that are necessary for a fair presentation of the Company’s interim financial results.

The Company has a grantor trust, which holds the majority of the funds provided by its clients pending remittance to employees of those clients, tax authorities, and other payees.  The Company is the sole beneficial owner of the trust.  The trust meets the criteria in Accounting Standards Codification (“ASC”) 810, “Consolidation” to be characterized as a variable interest entity (“VIE”).  The Company has determined that it has a controlling financial interest in the trust because it has both (1) the power to direct the activities that most significantly impact the economic performance of the trust (including the power to make all investment decisions for the trust) and (2) the right to receive benefits that could potentially be significant to the trust (in the form of investment returns) and, therefore, consolidates the trust.  Further information on these funds and the Company’s obligations to remit to its clients’ employees, tax authorities, and other payees is provided in Note 6, “Corporate Investments and Funds Held for Clients.” 

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the assets, liabilities, revenue, expenses, and accumulated other comprehensive income that are reported in the Consolidated Financial Statements and footnotes thereto. Actual results may differ from those estimates. Interim financial results are not necessarily indicative of financial results for a full year. The information included in this Quarterly Report on Form 10-Q should be read in conjunction with the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2023 (“fiscal 2023”).

Certain amounts from the prior year's financial statements have been reclassified in order to conform to the current year's presentation. We also updated the description of "Systems development and programming costs" to "Research and development" within the Statement of Consolidated Earnings, this change did not result in changes to current or previously reported amounts.

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New Accounting Pronouncements

3 Months Ended

Sep. 30, 2023

Accounting Standards Update and Change in Accounting Principle [Abstract]

New Accounting Pronouncements

New Accounting Pronouncements

Recently Adopted Accounting Pronouncements

None.

Recently Issued Accounting Pronouncements

None.

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Revenue

3 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

Based upon similar operational and economic characteristics, the Company’s revenues are disaggregated by its three strategic pillars: Human Capital Management (“HCM”), HR Outsourcing (“HRO”), and Global Solutions (“Global”), with separate disaggregation for PEO zero-margin benefits pass-through revenues and client funds interest revenues. The Company believes these revenue categories depict how the nature, amount, timing, and uncertainty of its revenue and cash flows are affected by economic factors.

The following tables provide details of revenue by our strategic pillars, and include a reconciliation to the Company’s reportable segments:

	Three Months Ended
	September 30,
Types of Revenues	2023		2022
HCM	$	1,914.4	$	1,811.0
HRO, excluding PEO zero-margin benefits pass-throughs	811.7		777.3
PEO zero-margin benefits pass-throughs	976.7		945.8
Global	607.9		540.5
Interest on funds held for clients	201.7		141.0
Total Revenues	$	4,512.4	$	4,215.6

Reconciliation of disaggregated revenue to our reportable segments for the three months ended September 30, 2023:

Types of Revenues	Employer Services		PEO		Other		Total
HCM	$	1,916.7	$	—	$	(2.3)	$	1,914.4
HRO, excluding PEO zero-margin benefits pass-throughs	322.0		491.0		(1.3)		811.7
PEO zero-margin benefits pass-throughs	—		976.7		—		976.7
Global	607.9		—		—		607.9
Interest on funds held for clients	199.8		1.9		—		201.7
Total Segment Revenues	$	3,046.4	$	1,469.6	$	(3.6)	$	4,512.4

Reconciliation of disaggregated revenue to our reportable segments for the three months ended September 30, 2022:

Types of Revenues	Employer Services		PEO		Other		Total
HCM	$	1,813.2	$	—	$	(2.2)	$	1,811.0
HRO, excluding PEO zero-margin benefits pass-throughs	296.8		482.3		(1.8)		777.3
PEO zero-margin benefits pass-throughs	—		945.8		—		945.8
Global	540.5		—		—		540.5
Interest on funds held for clients	139.7		1.3		—		141.0
Total Segment Revenues	$	2,790.2	$	1,429.4	$	(4.0)	$	4,215.6

Contract Balances

The timing of revenue recognition for HCM, HRO and Global Solutions is consistent with the invoicing of clients, as invoicing occurs in the period the services are provided. Therefore, the Company does not recognize a contract asset or liability resulting from the timing of revenue recognition and invoicing.

Changes in deferred revenues related to set up fees for the three months ended September 30, 2023 were as follows:

Contract Liability
Contract liability, July 1, 2023	$	464.8
Recognition of revenue included in beginning of year contract liability	(35.7)
Contract liability, net of revenue recognized on contracts during the period	31.1
Currency translation adjustments	12.0
Contract liability, September 30, 2023	$	472.2

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Earnings per Share (“EPS”)

3 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Earnings per Share (“EPS”)

Earnings per Share (“EPS”)

	Basic		Effect of Employee Stock Option Shares	Effect of Employee Restricted Stock Shares	Diluted
Three Months Ended September 30, 2023
Net earnings	$	859.4			$	859.4
Weighted average shares (in millions)	411.7		0.9	1.0	413.6
EPS	$	2.09			$	2.08
Three Months Ended September 30, 2022
Net earnings	$	779.0			$	779.0
Weighted average shares (in millions)	414.6		1.1	1.2	416.9
EPS	$	1.88			$	1.87

For the three months ended September 30, 2023 there were no stock options excluded from the calculation of diluted earnings per share due to anti-dilution. Stock Options to purchase 0.3 million shares of common stock for the three months ended September 30, 2022 were excluded from the calculation of diluted earnings per share because their inclusion would have been anti-dilutive.

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Other (Income)/Expense, Net

3 Months Ended

Sep. 30, 2023

Other Income and Expenses [Abstract]

Other (Income)/Expense, Net

Other (Income)/Expense, Net

	Three Months Ended
	September 30,
	2023		2022
Interest income on corporate funds	$	(46.5)	$	(29.7)
Realized losses/(gains) on available-for-sale securities, net	1.9		1.5
Gain on sale of assets	(14.6)		—
Impairment of assets	—		0.3
Non-service components of pension income, net (see Note 11)	(8.5)		(11.6)
Other (income)/expense, net	$	(67.7)	$	(39.5)

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Corporate Investments and Funds Held For Clients

3 Months Ended

Sep. 30, 2023

Corporate Investments And Funds Held For Clients [Abstract]

Corporate Investments and Funds Held for Clients

Corporate Investments and Funds Held for ClientsCorporate investments and funds held for clients at September 30, 2023 and June 30, 2023 were as follows:

	September 30, 2023
	Amortized Cost		Gross Unrealized  Gains		Gross Unrealized Losses		Fair Market Value (A)
Type of issue:
Money market securities, cash and other cash equivalents	$	6,961.9	$	—	$	—	$	6,961.9
Available-for-sale securities:
Corporate bonds	15,836.9		0.1		(1,407.3)		14,429.7
U.S. Treasury securities	8,213.5		—		(283.8)		7,929.7
Canadian government obligations and Canadian government agency obligations	2,049.8		—		(149.2)		1,900.6
U.S. government agency securities	1,669.6		—		(197.9)		1,471.7
Asset-backed securities	1,136.6		—		(68.1)		1,068.5
Canadian provincial bonds	1,013.1		—		(88.0)		925.1
Commercial mortgage-backed securities	661.7		—		(51.9)		609.8
Other securities	1,374.8		0.1		(109.6)		1,265.3
Total available-for-sale securities	31,956.0		0.2		(2,355.8)		29,600.4
Total corporate investments and funds held for clients	$	38,917.9	$	0.2	$	(2,355.8)	$	36,562.3

(A) Included within available-for-sale securities are corporate investments with fair values of $358.0 million and funds held for clients with fair values of $29,242.4 million. All available-for-sale securities were included in Level 2 of the fair value hierarchy.

	June 30, 2023
	Amortized  Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Market Value (B)
Type of issue:
Money market securities, cash and other cash equivalents	$	8,771.5	$	—	$	—	$	8,771.5
Available-for-sale securities:
Corporate bonds	15,870.7		4.7		(1,308.3)		14,567.1
U.S. Treasury securities	8,054.7		0.7		(290.4)		7,765.0
Canadian government obligations and Canadian government agency obligations	2,070.4		—		(145.0)		1,925.4
U.S. government agency securities	1,670.0		0.2		(179.8)		1,490.4
Asset-backed securities	1,234.7		—		(69.7)		1,165.0
Canadian provincial bonds	1,000.5		0.2		(78.1)		922.6
Commercial mortgage-backed securities	679.2		—		(46.7)		632.5
Other securities	1,391.6		1.7		(96.4)		1,296.9
Total available-for-sale securities	31,971.8		7.5		(2,214.4)		29,764.9
Total corporate investments and funds held for clients	$	40,743.3	$	7.5	$	(2,214.4)	$	38,536.4

(B) Included within available-for-sale securities are corporate investments with fair values of $119.3 million and funds held for clients with fair values of $29,645.6 million. All available-for-sale securities were included in Level 2 of the fair value hierarchy.

For a description of the fair value hierarchy and the Company's fair value methodologies, including the use of an independent third-party pricing service, see Note 1 “Summary of Significant Accounting Policies” in the Company's Annual Report on Form

10-K for fiscal 2023. The Company concurred with and did not adjust the prices obtained from the independent pricing service. The Company had no available-for-sale securities included in Level 1 or Level 3 at September 30, 2023.

The unrealized losses and fair values of available-for-sale securities that have been in an unrealized loss position for a period of less than and greater than 12 months as of September 30, 2023, are as follows: 

	September 30, 2023
	Securities in Unrealized Loss Position Less Than 12 Months				Securities in Unrealized Loss Position Greater Than 12 Months				Total
	Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value
Corporate bonds	$	(50.3)	$	1,297.5	$	(1,357.0)	$	13,097.5	$	(1,407.3)	$	14,395.0
U.S. Treasury securities	(33.8)		2,090.5		(250.0)		5,836.0		(283.8)		7,926.5
Canadian government obligations and Canadian government agency obligations	(4.3)		186.8		(144.9)		1,713.8		(149.2)		1,900.6
U.S. government agency securities	(1.9)		36.0		(196.0)		1,435.6		(197.9)		1,471.6
Asset-backed securities	(3.2)		251.0		(64.9)		801.5		(68.1)		1,052.5
Canadian provincial bonds	(6.9)		143.3		(81.1)		781.8		(88.0)		925.1
Commercial mortgage-backed securities	—		—		(51.9)		609.8		(51.9)		609.8
Other securities	(12.3)		380.7		(97.3)		850.6		(109.6)		1,231.3
	$	(112.7)	$	4,385.8	$	(2,243.1)	$	25,126.6	$	(2,355.8)	$	29,512.4

The unrealized losses and fair values of available-for-sale securities that have been in an unrealized loss position for a period of less than and greater than 12 months as of June 30, 2023, are as follows:

	June 30, 2023
	Securities in Unrealized Loss Position Less Than 12 Months				Securities in Unrealized Loss Position Greater Than 12 Months				Total
	Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value
Corporate bonds	$	(62.0)	$	2,255.9	$	(1,246.3)	$	12,050.5	$	(1,308.3)	$	14,306.4
U.S. Treasury securities	(85.5)		4,629.4		(204.9)		2,876.3		(290.4)		7,505.7
Canadian government obligations and Canadian government agency obligations	(5.8)		333.9		(139.2)		1,588.0		(145.0)		1,921.9
U.S. government agency securities	(0.6)		28.2		(179.2)		1,432.2		(179.8)		1,460.4
Asset-backed securities	(2.0)		159.7		(67.7)		975.6		(69.7)		1,135.3
Canadian provincial bonds	(2.7)		127.0		(75.4)		757.3		(78.1)		884.3
Commercial mortgage-backed securities	(6.7)		126.9		(40.0)		505.6		(46.7)		632.5
Other securities	(14.5)		574.0		(81.9)		629.0		(96.4)		1,203.0
	$	(179.8)	$	8,235.0	$	(2,034.6)	$	20,814.5	$	(2,214.4)	$	29,049.5

At September 30, 2023, corporate bonds include investment-grade debt securities with a wide variety of issuers, industries, and sectors, primarily carrying credit ratings of A and above, and have maturities ranging from October 2023 through May 2033.

At September 30, 2023, asset-backed securities include AAA-rated senior tranches of securities with predominantly prime collateral of fixed-rate auto loan, credit card, and equipment lease receivables with fair values of $522.3 million, $352.1 million, and $168.3 million, respectively. These securities are collateralized by the cash flows of the underlying pools of receivables. The primary risk associated with these securities is the collection risk of the underlying receivables. All collateral on such asset-backed securities has performed as expected through September 30, 2023.

At September 30, 2023, U.S. government agency securities primarily include debt directly issued by Federal Farm Credit Banks and Federal Home Loan Banks with fair values of $952.3 million and $442.1 million, respectively. U.S. government agency securities represent senior, unsecured, non-callable debt that primarily carry ratings of Aaa by Moody's, and AA+ by Standard & Poor's, with maturities ranging from December 2023 through March 2033.

At September 30, 2023, U.S. government agency commercial mortgage-backed securities of $609.8 million include those issued by Federal Home Loan Mortgage Corporation and Federal National Mortgage Association.

At September 30, 2023, other securities primarily include municipal bonds, diversified with a variety of issuers, with credit ratings of A and above with fair values of $521.2 million, AA-rated United Kingdom Gilt securities of $375.5 million, and AAA-rated supranational bonds of $203.2 million.

Classification of corporate investments on the Consolidated Balance Sheets is as follows:

	September 30,		June 30,
	2023		2023
Corporate investments:
Cash and cash equivalents	$	1,441.4	$	2,083.5
Short-term marketable securities (a)	146.8		14.7
Long-term marketable securities (b)	211.2		104.6
Total corporate investments	$	1,799.4	$	2,202.8

(a) - Short-term marketable securities are included within Other current assets on the Consolidated Balance Sheets.

(b) - Long-term marketable securities are included within Other assets on the Consolidated Balance Sheets.

Funds held for clients represent assets that, based upon the Company's intent, are restricted for use solely for the purposes of satisfying the obligations to remit funds relating to the Company’s payroll and payroll tax filing services, which are classified as client funds obligations on our Consolidated Balance Sheets.

Funds held for clients have been invested in the following categories:

	September 30,		June 30,
	2023		2023
Funds held for clients:
Restricted cash and cash equivalents held to satisfy client funds obligations	$	5,520.5	$	6,688.0
Restricted short-term marketable securities held to satisfy client funds obligations	6,061.5		5,601.9
Restricted long-term marketable securities held to satisfy client funds obligations	23,180.9		24,043.7
Total funds held for clients	$	34,762.9	$	36,333.6

Client funds obligations represent the Company's contractual obligations to remit funds to satisfy clients' payroll, tax, and other payee payment obligations and are recorded on the Consolidated Balance Sheets at the time that the Company impounds funds from clients. The client funds obligations represent liabilities that will be repaid within one year of the balance sheet date. The Company has reported client funds obligations as a current liability on the Consolidated Balance Sheets totaling $37,098.8 million and $38,538.6 million at September 30, 2023 and June 30, 2023, respectively. The Company has classified funds held for clients as a current asset since these funds are held solely for the purpose of satisfying the client funds obligations. Of the Company’s funds held for clients at September 30, 2023 and June 30, 2023, $31,932.5 million and $32,758.1 million, respectively, are held in the grantor trust. The liabilities held within the trust are intercompany liabilities to other Company subsidiaries and are eliminated in consolidation.

The Company has reported the cash flows related to the purchases of corporate and client funds marketable securities and related to the proceeds from the sales and maturities of corporate and client funds marketable securities on a gross basis in the investing section of the Statements of Consolidated Cash Flows. The Company has reported the cash and cash equivalents related to client funds investments with original maturities of ninety days or less, within the beginning and ending balances of cash, cash equivalents, restricted cash, and restricted cash equivalents. The Company has reported the cash flows related to the cash received from and paid on behalf of clients on a net basis within net increase / (decrease) in client funds obligations in the financing activities section of the Statements of Consolidated Cash Flows.

All available-for-sale securities were rated as investment grade at September 30, 2023.

Expected maturities of available-for-sale securities at September 30, 2023 are as follows:

One year or less	$	6,208.3
One year to two years	6,246.6
Two years to three years	7,275.3
Three years to four years	2,980.7
After four years	6,889.5
Total available-for-sale securities	$	29,600.4

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Leases

3 Months Ended

Sep. 30, 2023

Leases [Abstract]

Leases

Leases

The Company records leases on the Consolidated Balance Sheets as operating lease right-of-use (“ROU”) assets, records the current portion of operating lease liabilities within accrued expenses and other current liabilities and, separately, records long-term operating lease liabilities. The difference between total ROU assets and total lease liabilities is primarily attributable to prepayments of our obligations and the recognition of various lease incentives.

The Company has entered into operating lease agreements for facilities and equipment. The Company's leases have remaining lease terms of up to approximately eleven years.

The components of operating lease expense were as follows:

	Three Months Ended
	September 30,
	2023		2022
Operating lease cost	$	34.0	$	35.6
Short-term lease cost	0.5		0.3
Variable lease cost	3.2		3.0
Total operating lease cost	$	37.7	$	38.9

The following table provides supplemental cash flow information related to the Company's leases:

	Three Months Ended
	September 30,
	2023		2022
Cash paid for operating lease liabilities	$	30.5	$	33.5
Operating lease ROU assets obtained in exchange for new operating lease liabilities	$	26.9	$	12.4

Other information related to our operating lease liabilities is as follows:

	September 30,			June 30,
	2023			2023
Weighted-average remaining lease term (in years)	5			6
Weighted-average discount rate	2.9		%	2.7		%
Current operating lease liability	$	97.4		$	95.5

As of September 30, 2023, maturities of operating lease liabilities are as follows:

Nine months ending June 30, 2024	$	83.7
Twelve months ending June 30, 2025	97.9
Twelve months ending June 30, 2026	83.1
Twelve months ending June 30, 2027	72.9
Twelve months ending June 30, 2028	53.5
Thereafter	74.1
Total undiscounted lease obligations	465.2
Less: Imputed interest	(33.5)
Net lease obligations	$	431.7

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Goodwill and Intangible Assets, net

3 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets, net

Goodwill and Intangible Assets, net

Changes in goodwill for the three months ended September 30, 2023 are as follows:

	Employer Services		PEO Services		Total
Balance at June 30, 2023	$	2,334.6	$	4.8	$	2,339.4
Additions and other adjustments	27.5		—		27.5
Currency translation adjustments	(14.4)		—		(14.4)
Balance at September 30, 2023	$	2,347.7	$	4.8	$	2,352.5

Components of intangible assets, net, are as follows:

	September 30,		June 30,
	2023		2023
Intangible assets:
Software and software licenses	$	3,608.6	$	3,548.9
Customer contracts and lists	1,148.2		1,140.6
Other intangibles	241.9		241.9
	4,998.7		4,931.4
Less accumulated amortization:
Software and software licenses	(2,496.2)		(2,442.6)
Customer contracts and lists	(931.9)		(907.5)
Other intangibles	(238.8)		(237.7)
	(3,666.9)		(3,587.8)
Intangible assets, net	$	1,331.8	$	1,343.6

Other intangibles consist primarily of purchased rights, trademarks and trade names (acquired directly or through acquisitions). All intangible assets have finite lives and, as such, are subject to amortization. The weighted average remaining useful life of the intangible assets is 6 years (6 years for software and software licenses, 3 years for customer contracts and lists, and 1 year for other intangibles). Amortization of intangible assets was $95.7 million and $92.3 million for the three months ended September 30, 2023 and 2022, respectively.

Estimated future amortization expenses of the Company's existing intangible assets are as follows:

	Amount
Nine months ending June 30, 2024	$	315.8
Twelve months ending June 30, 2025	$	282.9
Twelve months ending June 30, 2026	$	193.3
Twelve months ending June 30, 2027	$	152.7
Twelve months ending June 30, 2028	$	115.6
Twelve months ending June 30, 2029	$	88.0

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Short-term Financing

3 Months Ended

Sep. 30, 2023

Short-Term Financing [Abstract]

Short-term Financing

Short-term Financing

The Company has a $4.25 billion, 364-day credit agreement that matures in June 2024 with a one year term-out option. The Company also has a five year, $3.2 billion credit facility maturing in June 2026 that contains an accordion feature under which the aggregate commitment can be increased by $500 million, subject to the availability of additional commitments. In addition, the Company also has a $2.25 billion, five year credit facility that matures in June 2028 that contains an accordion feature under which the aggregate commitment can be increased by $500 million, subject to the availability of additional commitments. The interest rate applicable to committed borrowings is tied to SOFR, the effective federal funds rate, or the prime rate depending on the notification provided by the Company to the syndicated financial institutions prior to borrowing. The Company is also required to pay facility fees on the credit agreements. The primary uses of the credit facilities are to provide liquidity to the commercial paper program and funding for general corporate purposes, if necessary. The Company had no borrowings through September 30, 2023 under the credit agreements.

The Company's U.S. short-term funding requirements primarily related to client funds are sometimes obtained on an unsecured basis through the issuance of commercial paper, rather than liquidating previously-collected client funds that have already been invested in available-for-sale securities. This commercial paper program provides for the issuance of up to $9.7 billion in aggregate maturity value. The Company’s commercial paper program is rated A-1+ by Standard & Poor’s, Prime-1 (“P-1”) by Moody’s and F1+ by Fitch. These ratings denote the highest quality commercial paper securities. Maturities of commercial paper can range from overnight to up to 364 days. At September 30, 2023 and June 30, 2023, the Company had no commercial paper borrowing outstanding. Details of the borrowings under the commercial paper program are as follows:

	Three Months Ended
	September 30,
	2023			2022
Average daily borrowings (in billions)	$	4.1		$	4.6
Weighted average interest rates	5.3		%	2.3		%
Weighted average maturity (approximately in days)	2 days			2 days

The Company’s U.S., Canadian and United Kingdom short-term funding requirements related to client funds obligations are sometimes obtained on a secured basis through the use of reverse repurchase agreements, which are collateralized principally by government and government agency securities, rather than liquidating previously-collected client funds that have already been invested in available-for-sale securities. These agreements generally have terms ranging from overnight to up to five business days. At September 30, 2023 and June 30, 2023, the Company had $343.8 million and $105.4 million, respectively, of outstanding obligations related to reverse repurchase agreements. Details of the reverse repurchase agreements are as follows:

	Three Months Ended
	September 30,
	2023			2022
Average outstanding balances	$	1,379.0		$	1,119.4
Weighted average interest rates	5.3		%	2.4		%

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Debt

3 Months Ended

Sep. 30, 2023

Debt Disclosure [Abstract]

Debt

DebtThe Company issued three series of fixed-rate notes with staggered maturities of 7 and 10-years totaling $3.0 billion (collectively the “Notes”). The Notes are senior unsecured obligations, and interest is payable in arrears, semi-annually.

The principal amounts and associated effective interest rates of the Notes and other debt as of September 30, 2023 and June 30, 2023, are as follows:

Debt instrument	Effective Interest Rate	September 30, 2023		June 30, 2023
Fixed-rate 3.375% notes due September 15, 2025	3.47%	$	1,000.0	$	1,000.0
Fixed-rate 1.700% notes due May 15, 2028	1.85%	1,000.0		1,000.0
Fixed-rate 1.250% notes due September 1, 2030	1.83%	1,000.0		1,000.0
Other		4.7		4.9
		3,004.7		3,004.9
Less: current portion (a)		(0.9)		(1.2)
Less: unamortized discount and debt issuance costs		(14.0)		(14.7)
Total long-term debt		$	2,989.8	$	2,989.0

(a) - Current portion of long-term debt as of September 30, 2023 is included within accrued expenses and other current liabilities on the Consolidated Balance Sheets.

The effective interest rates for the Notes include the interest on the Notes and amortization of the discount and debt issuance costs.

As of September 30, 2023, the fair value of the Notes, based on Level 2 inputs, was $2,600.1 million. For a description of the fair value hierarchy and the Company's fair value methodologies, including the use of an independent third-party pricing service, see Note 1 “Summary of Significant Accounting Policies” in the Company's Annual Report on Form 10-K for fiscal 2023.

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Employee Benefit Plans

3 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Employee Benefit Plans

Employee Benefit Plans

A.  Stock-based Compensation Plans. Stock-based compensation consists of the following:

The Company's share-based compensation consists of stock options, time-based restricted stock, time-based restricted stock units, performance-based restricted stock, and performance-based restricted stock units. The Company also offers an employee stock purchase plan for eligible employees. Beginning in September 2022, the Company discontinued granting stock options, time-based restricted stock and performance-based restricted stock. Any such future awards will be grants of time-based restricted stock units and/or performance-based restricted stock units, depending on employee eligibility. Time-based restricted stock unit awards and performance-based restricted stock unit awards granted to employees with a home country of the United States are settled in stock, and for awards granted to employees with a home country outside the United States are generally settled in cash.

•Restricted Stock.

•Time-Based Restricted Stock Units. Time-based restricted stock units generally vest ratably over 3 years. Awards are generally forfeited if the employee ceases to be employed by the Company prior to vesting.

Time-based restricted stock unit awards granted to employees with a home country of the United States are settled in stock and cannot be transferred during the vesting period. Time-based restricted stock unit awards granted to employees with a home country outside the United States are generally settled in cash and cannot be transferred during the vesting period. Compensation expense relating to the issuance of share-settled units is measured based on the fair value of the award on the grant date and recognized on a straight-line basis over the vesting period. Compensation expense relating to the issuance of cash-settled units is recorded over the vesting period and is initially based on the fair value of the award on the grant date and is subsequently remeasured at each reporting date during the vesting period based on the change in the ADP stock price. Dividend cash equivalents are paid on share-settled units, and dividend cash equivalents are not paid on cash-settled units.

•Performance-Based Restricted Stock Units. Performance-based restricted stock units generally vest over a one to three year performance period and a subsequent service period of up to 38 months. Under these programs, the Company communicates “target awards” at the beginning of the performance period with

possible payouts at the end of the performance period ranging from 0% to 200% of the “target awards.” Awards are generally forfeited if the employee ceases to be employed by the Company prior to vesting.

Performance-based restricted stock units cannot be transferred and are settled in either cash or stock, depending on the employee's home country. Compensation expense relating to the issuance of performance-based restricted stock units settled in cash is recognized over the vesting period initially based on the fair value of the award on the grant date with subsequent adjustments to the number of units awarded during the performance period based on probable and actual performance against targets. In addition, compensation expense is remeasured at each reporting period during the vesting period based on the change in the ADP stock price. Compensation expense relating to the issuance of performance-based restricted stock units settled in stock is recorded over the vesting period based on the fair value of the award on the grant date with subsequent adjustments to the number of units awarded based on the probable and actual performance against targets. Dividend equivalents are paid on awards under the performance-based restricted stock unit program.

•Employee Stock Purchase Plan. The Company offers an employee stock purchase plan that allows eligible employees to purchase shares of common stock at a price equal to 95% of the market value for the Company's common stock on the last day of the offering period. This plan has been deemed non-compensatory and, therefore, no compensation expense has been recorded.

The Company currently utilizes treasury stock to satisfy stock option exercises, issuances under the Company's employee stock purchase plan, and restricted stock awards. From time to time, the Company may repurchase shares of its common stock under its authorized share repurchase program. The Company repurchased 1.0 million and 1.4 million shares in the three months ended September 30, 2023 and 2022, respectively. The Company considers several factors in determining when to execute share repurchases, including, among other things, actual and potential acquisition activity, cash balances and cash flows, issuances due to employee benefit plan activity, and market conditions.

The following table represents pre-tax stock-based compensation expense for the three months ended September 30, 2023 and 2022, respectively:

	Three Months Ended
	September 30,
	2023		2022
Operating expenses	$	7.4	$	6.0
Selling, general and administrative expenses	42.8		37.1
Research and development	8.6		7.5
Total stock-based compensation expense	$	58.8	$	50.6

During the three months ended September 30, 2023, the following activity occurred under the Company’s existing plans.

Stock Options:

	Number of Options (in thousands)	Weighted Average Price (in dollars)
Options outstanding at July 1, 2023	2,654	$	155
Options exercised	(305)	$	148
Options forfeited/cancelled	(5)	$	176
Options outstanding at September 30, 2023	2,344	$	156

Time-Based Restricted Stock and Time-Based Restricted Stock Units:

	Number of Shares (in thousands)	Number of Units (in thousands)
Restricted shares/units outstanding at July 1, 2023	450	730
Restricted shares/units granted	—	605
Restricted shares/units vested	(289)	(256)
Restricted shares/units forfeited	(4)	(8)
Restricted shares/units outstanding at September 30, 2023	157	1,071

Performance-Based Restricted Stock and Performance-Based Restricted Stock Units:

	Number of Shares (in thousands)	Number of Units (in thousands)
Restricted shares/units outstanding at July 1, 2023	197	821
Restricted shares/units granted	113	224
Restricted shares/units vested	(103)	(363)
Restricted shares/units forfeited	(3)	(3)
Restricted shares/units outstanding at September 30, 2023	204	679

B.  Pension Plans

The components of net pension income were as follows:

	Three Months Ended
	September 30,
	2023		2022
Service cost – benefits earned during the period	$	1.3	$	1.2
Interest cost on projected benefits	21.2		19.5
Expected return on plan assets	(29.0)		(31.9)
Net amortization and deferral	0.7		0.5
Settlement charges and special termination benefits	—		1.4
Net pension (income)/expense	$	(5.8)	$	(9.3)

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Income Taxes	3 Months Ended
	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Income Taxes	Income TaxesThe effective tax rate for the three months ended September 30, 2023 and 2022 was 21.4% and 22.9%, respectively. The decrease is primarily due to lower reserves for uncertain tax positions and a valuation allowance release offset by a lower excess tax benefit on stock-based compensation in the three months ended September 30, 2023.

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Commitments and Contingencies

3 Months Ended

Sep. 30, 2023

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

In May 2020, a putative class action complaint was filed against ADP, TotalSource and related defendants in the U.S. District Court, District of New Jersey. The complaint asserts violations of the Employee Retirement Income Security Act of 1974 (“ERISA”) in connection with the ADP TotalSource Retirement Savings Plan’s fiduciary administrative and investment decision-making. The complaint seeks statutory and other unspecified monetary damages, injunctive relief and attorney’s fees. These claims are still in their early stages and the Company is unable to estimate any reasonably possible loss, or range of loss, with respect to this matter. The Company intends to vigorously defend against this lawsuit.

The Company is subject to various claims, litigation, and regulatory compliance matters in the normal course of business. When a loss is considered probable and reasonably estimable, the Company records a liability in the amount of its best estimate for the ultimate loss. Management currently believes that the resolution of these claims, litigation and regulatory compliance matters against us, individually or in the aggregate, will not have a material adverse impact on our consolidated results of operations,

financial condition or cash flows. These matters are subject to inherent uncertainties and management's view of these matters may change in the future.

It is not the Company’s business practice to enter into off-balance sheet arrangements. In the normal course of business, the Company may enter into contracts in which it makes representations and warranties that relate to the performance of the Company’s services and products. The Company does not expect any material losses related to such representations and warranties.

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Stockholders' Equity

3 Months Ended

Sep. 30, 2023

Equity, Attributable to Parent [Abstract]

Stockholders' Equity

Stockholders' Equity

Changes in stockholders' equity by component are as follows:

	Three Months Ended
	September 30, 2023
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at June 30, 2023	$	63.9	$	2,102.3	$	22,118.0	$	(18,469.3)	$	(2,305.8)	$	3,509.1
Net earnings	—				859.4				—		859.4
Other comprehensive income	—				—				(162.0)		(162.0)
Stock-based compensation expense	—		54.0		—				—		54.0
Issuances relating to stock compensation plans	—		32.4		—		49.4		—		81.8
Treasury stock acquired (1.0 million shares repurchased)	—		—				(347.5)		—		(347.5)
Dividends declared ($1.25 per share)	—		—		(522.0)		—		—		(522.0)
Balance at September 30, 2023	$	63.9	$	2,188.7	$	22,455.4	$	(18,767.4)	$	(2,467.8)	$	3,472.8

	Three Months Ended
	September 30, 2022
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at June 30, 2022	$	63.9	$	1,794.2	$	20,696.3	$	(17,335.4)	$	(1,993.7)	$	3,225.3
Net earnings	—				779.0		—		—		779.0
Other comprehensive income	—				—		—		(730.4)		(730.4)
Stock-based compensation expense	—		46.0		—		—		—		46.0
Issuances relating to stock compensation plans	—		52.9		—		40.3		—		93.2
Treasury stock acquired (1.4 million shares repurchased)	—				—		(400.3)		—		(400.3)
Dividends declared ($1.04 per share)	—		—		(436.3)		—		—		(436.3)
Balance at September 30, 2022	$	63.9	$	1,893.1	$	21,039.0	$	(17,695.4)	$	(2,724.1)	$	2,576.5

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Reclassifications out of Accumulated Other Comprehensive Income (“AOCI”)

3 Months Ended

Sep. 30, 2023

Reclassification out of Accumulated Other Comprehensive Income [Abstract]

Reclassifications out of Accumulated Other Comprehensive Income (“AOCI”)

Reclassifications out of Accumulated Other Comprehensive Income (“AOCI”)Changes in AOCI by component are as follows:

	Three Months Ended
	September 30, 2023
	Currency Translation Adjustment		Net Gains/Losses on Available-for-sale Securities			Cash Flow Hedging Activities			Pension Liability			Accumulated Other Comprehensive (Loss) /Income
Balance at June 30, 2023	$	(340.8)	$	(1,705.6)		$	(23.3)		$	(236.1)		$	(2,305.8)
Other comprehensive (loss)/income before reclassification adjustments	(44.6)		(150.6)			—			—			(195.2)
Tax effect	—		30.1			—			—			30.1
Reclassification adjustments to net earnings	—		1.9		(A)	1.1		(C)	1.0		(B)	4.0
Tax effect	—		(0.4)			(0.3)			(0.2)			(0.9)
Balance at September 30, 2023	$	(385.4)	$	(1,824.6)		$	(22.5)		$	(235.3)		$	(2,467.8)

	Three Months Ended
	September 30, 2022
	Currency Translation Adjustment		Net Gains/Losses on Available-for-sale Securities			Cash Flow Hedging Activities			Pension Liability			Accumulated Other Comprehensive (Loss) /Income
Balance at June 30, 2022	$	(354.2)	$	(1,330.0)		$	(26.6)		$	(282.9)		$	(1,993.7)
Other comprehensive (loss)/income before reclassification adjustments	(84.7)		(835.1)			—			—			(919.8)
Tax effect	—		185.8			—			—			185.8
Reclassification adjustments to net earnings	—		1.5		(A)	1.1		(C)	2.1		(B)	4.7
Tax effect	—		(0.3)			(0.3)			(0.5)			(1.1)
Balance at September 30, 2022	$	(438.9)	$	(1,978.1)		$	(25.8)		$	(281.3)		$	(2,724.1)

(A) Reclassification adjustments out of AOCI are included within Other (income)/expense, net, on the Statements of Consolidated Earnings.

(B) Reclassification adjustments out of AOCI are included in net pension (income)/expense (see Note 11).

(C) Reclassification adjustments out of AOCI are included in Interest expense on the Statements of Consolidated Earnings (see Note 10).

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Interim Financial Data by Segment

3 Months Ended

Sep. 30, 2023

Segment Reporting [Abstract]

Interim Financial Data by Segment

Interim Financial Data by SegmentBased upon similar economic and operational characteristics, the Company’s strategic business units have been aggregated into the following two reportable segments: Employer Services and PEO Services. The primary components of the “Other” segment are certain corporate overhead charges and expenses that have not been allocated to the reportable segments, including corporate functions, costs related to our transformation office, severance costs, non-recurring gains and losses, the elimination of intercompany transactions, and interest expense. Certain revenues and expenses are charged to the reportable segments at a standard rate for management reasons. Other costs are recorded based on management responsibility.

Segment Results:

	Revenues
	Three Months Ended
	September 30,
	2023		2022
Employer Services	$	3,046.4	$	2,790.2
PEO Services	1,469.6		1,429.4
Other	(3.6)		(4.0)
	$	4,512.4	$	4,215.6

  

	Earnings before Income Taxes
	Three Months Ended
	September 30,
	2023		2022
Employer Services	$	1,008.5	$	863.5
PEO Services	222.9		230.3
Other	(138.6)		(83.8)
	$	1,092.8	$	1,010.0

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Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Pay vs Performance Disclosure
Net Income (Loss) Attributable to Parent	$ 859.4	$ 779.0

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Insider Trading Arrangements

3 Months Ended

Sep. 30, 2023

shares

Trading Arrangements, by Individual

Rule 10b5-1 Arrangement Adopted

true

Non-Rule 10b5-1 Arrangement Adopted

false

Rule 10b5-1 Arrangement Terminated

false

Non-Rule 10b5-1 Arrangement Terminated

false

Officer Trading Arrangement [Member]

Trading Arrangements, by Individual

Material Terms of Trading Arrangement

During the fiscal quarter ended September 30, 2023, our executive officers adopted the following trading arrangements that are intended to satisfy the affirmative defense of Rule 10b5–1(c).

Name & Title	Date of Adoption	Duration of Trading Arrangement	The maximum number of securities to be sold pursuant to the trading arrangement (1)
Brock Albinson, Corporate Controller	August 31, 2023	January 2, 2024 – December 31, 2024	9,993
John Ayala, Chief Operating Officer	September 7, 2023	January 16, 2024 – December 31, 2024	48,550
Maria Black, President and Chief Executive Officer	September 8, 2023	January 2, 2024 – December 31, 2024	49,648
Michael Bonarti, Chief Administrative Officer	September 7, 2023	January 2, 2024 – December 31, 2024	71,040
Christopher D’Ambrosio, Chief Strategy Officer	September 7, 2023	September 3, 2024 – September 4, 2024	752
Joseph DeSilva, President, Global Sales	September 8, 2023	January 2, 2024 – December 31, 2024	17,953
Sreeni Kutam, President, Global Product and Innovation	September 7, 2023	January 2, 2024 – December 31, 2024	40,959
David Kwon, Chief Legal Officer/General Counsel	September 8, 2023	January 2, 2024 – December 31, 2024	5,671
Don McGuire, Chief Financial Officer	September 7, 2023	January 2, 2024 – December 31, 2024	26,288
Carlos Rodriguez, Executive Chair	September 7, 2023	January 3, 2024 – December 31, 2024	243,026

(1) Securities reported in this column reflect options, restricted stock units (“RSUs”), performance-based stock units (“PSUs”) and shares of common stock, as appropriate. In the case of RSUs, quantities included in this column reflect the full amount of RSUs as reported in an officer’s respective plan and do not reflect the impact of tax withholding which will not be determined until the RSUs vest. In the case of PSUs (which have a three-year performance period), quantities included in this column reflect the application of the actual performance factor for tranches where performance has been certified, application at target for tranches where performance is not yet complete, and inclusion of accrued dividend equivalents through the date of adoption of the trading arrangement. The PSU amounts do not reflect the impact of tax withholding which will not be determined until the PSUs vest. In addition, securities reported in this column include securities subject to limit orders and such orders may not fill if limit order conditions are not met.

Officer Trading Arrangement [Member] | Brock Albinson [Member]

Trading Arrangements, by Individual

Name

Brock Albinson,

Title

Corporate Controller

Adoption Date

August 31, 2023

Arrangement Duration

364 days

Aggregate Available

9,993

Officer Trading Arrangement [Member] | John Ayala [Member]

Trading Arrangements, by Individual

Name

John Ayala,

Title

Chief Operating Officer

Adoption Date

September 7, 2023

Arrangement Duration

350 days

Aggregate Available

48,550

Officer Trading Arrangement [Member] | Maria Black [Member]

Trading Arrangements, by Individual

Name

Maria Black,

Title

President and Chief Executive Officer

Adoption Date

September 8, 2023

Arrangement Duration

364 days

Aggregate Available

49,648

Officer Trading Arrangement [Member] | Michael Bonarti [Member]

Trading Arrangements, by Individual

Name

Michael Bonarti,

Title

Chief Administrative Officer

Adoption Date

September 7, 2023

Arrangement Duration

364 days

Aggregate Available

71,040

Officer Trading Arrangement [Member] | Christopher D’Ambrosio [Member]

Trading Arrangements, by Individual

Name

Christopher D’Ambrosio,

Title

Chief Strategy Officer

Adoption Date

September 7, 2023

Arrangement Duration

1 day

Aggregate Available

752

Officer Trading Arrangement [Member] | Joseph DeSilva [Member]

Trading Arrangements, by Individual

Name

Joseph DeSilva,

Title

President, Global Sales

Adoption Date

September 8, 2023

Arrangement Duration

364 days

Aggregate Available

17,953

Officer Trading Arrangement [Member] | Sreeni Kutam [Member]

Trading Arrangements, by Individual

Name

Sreeni Kutam,

Title

President, Global Product and Innovation

Adoption Date

September 7, 2023

Arrangement Duration

364 days

Aggregate Available

40,959

Officer Trading Arrangement [Member] | David Kwon [Member]

Trading Arrangements, by Individual

Name

David Kwon,

Title

Chief Legal Officer/General Counsel

Adoption Date

September 8, 2023

Arrangement Duration

364 days

Aggregate Available

5,671

Officer Trading Arrangement [Member] | Don McGuire [Member]

Trading Arrangements, by Individual

Name

Don McGuire,

Title

Chief Financial Officer

Adoption Date

September 7, 2023

Arrangement Duration

364 days

Aggregate Available

26,288

Officer Trading Arrangement [Member] | Carlos Rodriguez [Member]

Trading Arrangements, by Individual

Name

Carlos Rodriguez,

Title

Executive Chair

Adoption Date

September 7, 2023

Arrangement Duration

363 days

Aggregate Available

243,026

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New Accounting Pronouncements (Policies)

3 Months Ended

Sep. 30, 2023

Accounting Standards Update and Change in Accounting Principle [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying Consolidated Financial Statements and footnotes thereto of Automatic Data Processing, Inc., its subsidiaries and variable interest entity (“ADP” or the “Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”).  The Consolidated Financial Statements and footnotes thereto are unaudited.  In the opinion of the Company’s management, the Consolidated Financial Statements reflect all adjustments, which are of a normal recurring nature, that are necessary for a fair presentation of the Company’s interim financial results.

The Company has a grantor trust, which holds the majority of the funds provided by its clients pending remittance to employees of those clients, tax authorities, and other payees.  The Company is the sole beneficial owner of the trust.  The trust meets the criteria in Accounting Standards Codification (“ASC”) 810, “Consolidation” to be characterized as a variable interest entity (“VIE”).  The Company has determined that it has a controlling financial interest in the trust because it has both (1) the power to direct the activities that most significantly impact the economic performance of the trust (including the power to make all investment decisions for the trust) and (2) the right to receive benefits that could potentially be significant to the trust (in the form of investment returns) and, therefore, consolidates the trust.  Further information on these funds and the Company’s obligations to remit to its clients’ employees, tax authorities, and other payees is provided in Note 6, “Corporate Investments and Funds Held for Clients.” 

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the assets, liabilities, revenue, expenses, and accumulated other comprehensive income that are reported in the Consolidated Financial Statements and footnotes thereto. Actual results may differ from those estimates. Interim financial results are not necessarily indicative of financial results for a full year. The information included in this Quarterly Report on Form 10-Q should be read in conjunction with the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2023 (“fiscal 2023”).

Certain amounts from the prior year's financial statements have been reclassified in order to conform to the current year's presentation. We also updated the description of "Systems development and programming costs" to "Research and development" within the Statement of Consolidated Earnings, this change did not result in changes to current or previously reported amounts.

New Accounting Pronouncements

New Accounting Pronouncements

Recently Adopted Accounting Pronouncements

None.

Recently Issued Accounting Pronouncements

None.

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Revenue (Tables)

3 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables provide details of revenue by our strategic pillars, and include a reconciliation to the Company’s reportable segments:

	Three Months Ended
	September 30,
Types of Revenues	2023		2022
HCM	$	1,914.4	$	1,811.0
HRO, excluding PEO zero-margin benefits pass-throughs	811.7		777.3
PEO zero-margin benefits pass-throughs	976.7		945.8
Global	607.9		540.5
Interest on funds held for clients	201.7		141.0
Total Revenues	$	4,512.4	$	4,215.6

Reconciliation of disaggregated revenue to our reportable segments for the three months ended September 30, 2023:

Types of Revenues	Employer Services		PEO		Other		Total
HCM	$	1,916.7	$	—	$	(2.3)	$	1,914.4
HRO, excluding PEO zero-margin benefits pass-throughs	322.0		491.0		(1.3)		811.7
PEO zero-margin benefits pass-throughs	—		976.7		—		976.7
Global	607.9		—		—		607.9
Interest on funds held for clients	199.8		1.9		—		201.7
Total Segment Revenues	$	3,046.4	$	1,469.6	$	(3.6)	$	4,512.4

Reconciliation of disaggregated revenue to our reportable segments for the three months ended September 30, 2022:

Types of Revenues	Employer Services		PEO		Other		Total
HCM	$	1,813.2	$	—	$	(2.2)	$	1,811.0
HRO, excluding PEO zero-margin benefits pass-throughs	296.8		482.3		(1.8)		777.3
PEO zero-margin benefits pass-throughs	—		945.8		—		945.8
Global	540.5		—		—		540.5
Interest on funds held for clients	139.7		1.3		—		141.0
Total Segment Revenues	$	2,790.2	$	1,429.4	$	(4.0)	$	4,215.6

Contract with Customer, Liability

Changes in deferred revenues related to set up fees for the three months ended September 30, 2023 were as follows:

Contract Liability
Contract liability, July 1, 2023	$	464.8
Recognition of revenue included in beginning of year contract liability	(35.7)
Contract liability, net of revenue recognized on contracts during the period	31.1
Currency translation adjustments	12.0
Contract liability, September 30, 2023	$	472.2

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Earnings per Share (“EPS”) (Tables)

3 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	Basic		Effect of Employee Stock Option Shares	Effect of Employee Restricted Stock Shares	Diluted
Three Months Ended September 30, 2023
Net earnings	$	859.4			$	859.4
Weighted average shares (in millions)	411.7		0.9	1.0	413.6
EPS	$	2.09			$	2.08
Three Months Ended September 30, 2022
Net earnings	$	779.0			$	779.0
Weighted average shares (in millions)	414.6		1.1	1.2	416.9
EPS	$	1.88			$	1.87

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Other (Income)/Expense, Net (Tables)

3 Months Ended

Sep. 30, 2023

Other Income and Expenses [Abstract]

Other (Income)/Expense, Net

	Three Months Ended
	September 30,
	2023		2022
Interest income on corporate funds	$	(46.5)	$	(29.7)
Realized losses/(gains) on available-for-sale securities, net	1.9		1.5
Gain on sale of assets	(14.6)		—
Impairment of assets	—		0.3
Non-service components of pension income, net (see Note 11)	(8.5)		(11.6)
Other (income)/expense, net	$	(67.7)	$	(39.5)

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Corporate Investments and Funds Held for Clients (Tables)

3 Months Ended

Sep. 30, 2023

Corporate Investments And Funds Held For Clients [Abstract]

Debt Securities, Available-for-Sale

Corporate investments and funds held for clients at September 30, 2023 and June 30, 2023 were as follows:

	September 30, 2023
	Amortized Cost		Gross Unrealized  Gains		Gross Unrealized Losses		Fair Market Value (A)
Type of issue:
Money market securities, cash and other cash equivalents	$	6,961.9	$	—	$	—	$	6,961.9
Available-for-sale securities:
Corporate bonds	15,836.9		0.1		(1,407.3)		14,429.7
U.S. Treasury securities	8,213.5		—		(283.8)		7,929.7
Canadian government obligations and Canadian government agency obligations	2,049.8		—		(149.2)		1,900.6
U.S. government agency securities	1,669.6		—		(197.9)		1,471.7
Asset-backed securities	1,136.6		—		(68.1)		1,068.5
Canadian provincial bonds	1,013.1		—		(88.0)		925.1
Commercial mortgage-backed securities	661.7		—		(51.9)		609.8
Other securities	1,374.8		0.1		(109.6)		1,265.3
Total available-for-sale securities	31,956.0		0.2		(2,355.8)		29,600.4
Total corporate investments and funds held for clients	$	38,917.9	$	0.2	$	(2,355.8)	$	36,562.3

(A) Included within available-for-sale securities are corporate investments with fair values of $358.0 million and funds held for clients with fair values of $29,242.4 million. All available-for-sale securities were included in Level 2 of the fair value hierarchy.

	June 30, 2023
	Amortized  Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Market Value (B)
Type of issue:
Money market securities, cash and other cash equivalents	$	8,771.5	$	—	$	—	$	8,771.5
Available-for-sale securities:
Corporate bonds	15,870.7		4.7		(1,308.3)		14,567.1
U.S. Treasury securities	8,054.7		0.7		(290.4)		7,765.0
Canadian government obligations and Canadian government agency obligations	2,070.4		—		(145.0)		1,925.4
U.S. government agency securities	1,670.0		0.2		(179.8)		1,490.4
Asset-backed securities	1,234.7		—		(69.7)		1,165.0
Canadian provincial bonds	1,000.5		0.2		(78.1)		922.6
Commercial mortgage-backed securities	679.2		—		(46.7)		632.5
Other securities	1,391.6		1.7		(96.4)		1,296.9
Total available-for-sale securities	31,971.8		7.5		(2,214.4)		29,764.9
Total corporate investments and funds held for clients	$	40,743.3	$	7.5	$	(2,214.4)	$	38,536.4

(B) Included within available-for-sale securities are corporate investments with fair values of $119.3 million and funds held for clients with fair values of $29,645.6 million. All available-for-sale securities were included in Level 2 of the fair value hierarchy.

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value

The unrealized losses and fair values of available-for-sale securities that have been in an unrealized loss position for a period of less than and greater than 12 months as of September 30, 2023, are as follows: 

	September 30, 2023
	Securities in Unrealized Loss Position Less Than 12 Months				Securities in Unrealized Loss Position Greater Than 12 Months				Total
	Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value
Corporate bonds	$	(50.3)	$	1,297.5	$	(1,357.0)	$	13,097.5	$	(1,407.3)	$	14,395.0
U.S. Treasury securities	(33.8)		2,090.5		(250.0)		5,836.0		(283.8)		7,926.5
Canadian government obligations and Canadian government agency obligations	(4.3)		186.8		(144.9)		1,713.8		(149.2)		1,900.6
U.S. government agency securities	(1.9)		36.0		(196.0)		1,435.6		(197.9)		1,471.6
Asset-backed securities	(3.2)		251.0		(64.9)		801.5		(68.1)		1,052.5
Canadian provincial bonds	(6.9)		143.3		(81.1)		781.8		(88.0)		925.1
Commercial mortgage-backed securities	—		—		(51.9)		609.8		(51.9)		609.8
Other securities	(12.3)		380.7		(97.3)		850.6		(109.6)		1,231.3
	$	(112.7)	$	4,385.8	$	(2,243.1)	$	25,126.6	$	(2,355.8)	$	29,512.4

The unrealized losses and fair values of available-for-sale securities that have been in an unrealized loss position for a period of less than and greater than 12 months as of June 30, 2023, are as follows:

	June 30, 2023
	Securities in Unrealized Loss Position Less Than 12 Months				Securities in Unrealized Loss Position Greater Than 12 Months				Total
	Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value		Gross Unrealized Losses		Fair Market Value
Corporate bonds	$	(62.0)	$	2,255.9	$	(1,246.3)	$	12,050.5	$	(1,308.3)	$	14,306.4
U.S. Treasury securities	(85.5)		4,629.4		(204.9)		2,876.3		(290.4)		7,505.7
Canadian government obligations and Canadian government agency obligations	(5.8)		333.9		(139.2)		1,588.0		(145.0)		1,921.9
U.S. government agency securities	(0.6)		28.2		(179.2)		1,432.2		(179.8)		1,460.4
Asset-backed securities	(2.0)		159.7		(67.7)		975.6		(69.7)		1,135.3
Canadian provincial bonds	(2.7)		127.0		(75.4)		757.3		(78.1)		884.3
Commercial mortgage-backed securities	(6.7)		126.9		(40.0)		505.6		(46.7)		632.5
Other securities	(14.5)		574.0		(81.9)		629.0		(96.4)		1,203.0
	$	(179.8)	$	8,235.0	$	(2,034.6)	$	20,814.5	$	(2,214.4)	$	29,049.5

Schedule of Corporate Investments

Classification of corporate investments on the Consolidated Balance Sheets is as follows:

	September 30,		June 30,
	2023		2023
Corporate investments:
Cash and cash equivalents	$	1,441.4	$	2,083.5
Short-term marketable securities (a)	146.8		14.7
Long-term marketable securities (b)	211.2		104.6
Total corporate investments	$	1,799.4	$	2,202.8

(a) - Short-term marketable securities are included within Other current assets on the Consolidated Balance Sheets.

(b) - Long-term marketable securities are included within Other assets on the Consolidated Balance Sheets.

Schedule of Investment of Funds Held For Clients

Funds held for clients have been invested in the following categories:

	September 30,		June 30,
	2023		2023
Funds held for clients:
Restricted cash and cash equivalents held to satisfy client funds obligations	$	5,520.5	$	6,688.0
Restricted short-term marketable securities held to satisfy client funds obligations	6,061.5		5,601.9
Restricted long-term marketable securities held to satisfy client funds obligations	23,180.9		24,043.7
Total funds held for clients	$	34,762.9	$	36,333.6

Schedule of Expected Maturities of Available For Sale Securities

Expected maturities of available-for-sale securities at September 30, 2023 are as follows:

One year or less	$	6,208.3
One year to two years	6,246.6
Two years to three years	7,275.3
Three years to four years	2,980.7
After four years	6,889.5
Total available-for-sale securities	$	29,600.4

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Leases (Tables)

3 Months Ended

Sep. 30, 2023

Leases [Abstract]

Schedule of Lease Cost

The components of operating lease expense were as follows:

	Three Months Ended
	September 30,
	2023		2022
Operating lease cost	$	34.0	$	35.6
Short-term lease cost	0.5		0.3
Variable lease cost	3.2		3.0
Total operating lease cost	$	37.7	$	38.9

Schedule of Operating Lease ROU Assets and Liabilities

The following table provides supplemental cash flow information related to the Company's leases:

	Three Months Ended
	September 30,
	2023		2022
Cash paid for operating lease liabilities	$	30.5	$	33.5
Operating lease ROU assets obtained in exchange for new operating lease liabilities	$	26.9	$	12.4

Operating Lease Liabilities

Other information related to our operating lease liabilities is as follows:

	September 30,			June 30,
	2023			2023
Weighted-average remaining lease term (in years)	5			6
Weighted-average discount rate	2.9		%	2.7		%
Current operating lease liability	$	97.4		$	95.5

Schedule of Operating Lease Maturities

As of September 30, 2023, maturities of operating lease liabilities are as follows:

Nine months ending June 30, 2024	$	83.7
Twelve months ending June 30, 2025	97.9
Twelve months ending June 30, 2026	83.1
Twelve months ending June 30, 2027	72.9
Twelve months ending June 30, 2028	53.5
Thereafter	74.1
Total undiscounted lease obligations	465.2
Less: Imputed interest	(33.5)
Net lease obligations	$	431.7

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Goodwill and Intangible Assets, net (Tables)

3 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Changes In Goodwill

Changes in goodwill for the three months ended September 30, 2023 are as follows:

	Employer Services		PEO Services		Total
Balance at June 30, 2023	$	2,334.6	$	4.8	$	2,339.4
Additions and other adjustments	27.5		—		27.5
Currency translation adjustments	(14.4)		—		(14.4)
Balance at September 30, 2023	$	2,347.7	$	4.8	$	2,352.5

Components of Finite-Lived Intangible Assets

Components of intangible assets, net, are as follows:

	September 30,		June 30,
	2023		2023
Intangible assets:
Software and software licenses	$	3,608.6	$	3,548.9
Customer contracts and lists	1,148.2		1,140.6
Other intangibles	241.9		241.9
	4,998.7		4,931.4
Less accumulated amortization:
Software and software licenses	(2,496.2)		(2,442.6)
Customer contracts and lists	(931.9)		(907.5)
Other intangibles	(238.8)		(237.7)
	(3,666.9)		(3,587.8)
Intangible assets, net	$	1,331.8	$	1,343.6

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated future amortization expenses of the Company's existing intangible assets are as follows:

	Amount
Nine months ending June 30, 2024	$	315.8
Twelve months ending June 30, 2025	$	282.9
Twelve months ending June 30, 2026	$	193.3
Twelve months ending June 30, 2027	$	152.7
Twelve months ending June 30, 2028	$	115.6
Twelve months ending June 30, 2029	$	88.0

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Short-term Financing (Tables)

3 Months Ended

Sep. 30, 2023

Short-Term Financing [Abstract]

Commercial Paper Program

Details of the borrowings under the commercial paper program are as follows:

	Three Months Ended
	September 30,
	2023			2022
Average daily borrowings (in billions)	$	4.1		$	4.6
Weighted average interest rates	5.3		%	2.3		%
Weighted average maturity (approximately in days)	2 days			2 days

Reverse Repurchase Agreement

Details of the reverse repurchase agreements are as follows:

	Three Months Ended
	September 30,
	2023			2022
Average outstanding balances	$	1,379.0		$	1,119.4
Weighted average interest rates	5.3		%	2.4		%

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Debt (Tables)

3 Months Ended

Sep. 30, 2023

Debt Disclosure [Abstract]

Schedule of Long Term Debt

The principal amounts and associated effective interest rates of the Notes and other debt as of September 30, 2023 and June 30, 2023, are as follows:

Debt instrument	Effective Interest Rate	September 30, 2023		June 30, 2023
Fixed-rate 3.375% notes due September 15, 2025	3.47%	$	1,000.0	$	1,000.0
Fixed-rate 1.700% notes due May 15, 2028	1.85%	1,000.0		1,000.0
Fixed-rate 1.250% notes due September 1, 2030	1.83%	1,000.0		1,000.0
Other		4.7		4.9
		3,004.7		3,004.9
Less: current portion (a)		(0.9)		(1.2)
Less: unamortized discount and debt issuance costs		(14.0)		(14.7)
Total long-term debt		$	2,989.8	$	2,989.0

(a) - Current portion of long-term debt as of September 30, 2023 is included within accrued expenses and other current liabilities on the Consolidated Balance Sheets.

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Employee Benefit Plans (Tables)

3 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Components of Stock-Based Compensation Expense

The following table represents pre-tax stock-based compensation expense for the three months ended September 30, 2023 and 2022, respectively:

	Three Months Ended
	September 30,
	2023		2022
Operating expenses	$	7.4	$	6.0
Selling, general and administrative expenses	42.8		37.1
Research and development	8.6		7.5
Total stock-based compensation expense	$	58.8	$	50.6

Changes in Stock Options Outstanding

Stock Options:

	Number of Options (in thousands)	Weighted Average Price (in dollars)
Options outstanding at July 1, 2023	2,654	$	155
Options exercised	(305)	$	148
Options forfeited/cancelled	(5)	$	176
Options outstanding at September 30, 2023	2,344	$	156

Time Based Restricted Shares and Units

Time-Based Restricted Stock and Time-Based Restricted Stock Units:

	Number of Shares (in thousands)	Number of Units (in thousands)
Restricted shares/units outstanding at July 1, 2023	450	730
Restricted shares/units granted	—	605
Restricted shares/units vested	(289)	(256)
Restricted shares/units forfeited	(4)	(8)
Restricted shares/units outstanding at September 30, 2023	157	1,071

Performance Based Restricted Shares and Units

Performance-Based Restricted Stock and Performance-Based Restricted Stock Units:

	Number of Shares (in thousands)	Number of Units (in thousands)
Restricted shares/units outstanding at July 1, 2023	197	821
Restricted shares/units granted	113	224
Restricted shares/units vested	(103)	(363)
Restricted shares/units forfeited	(3)	(3)
Restricted shares/units outstanding at September 30, 2023	204	679

Schedule of Net Benefit Costs

The components of net pension income were as follows:

	Three Months Ended
	September 30,
	2023		2022
Service cost – benefits earned during the period	$	1.3	$	1.2
Interest cost on projected benefits	21.2		19.5
Expected return on plan assets	(29.0)		(31.9)
Net amortization and deferral	0.7		0.5
Settlement charges and special termination benefits	—		1.4
Net pension (income)/expense	$	(5.8)	$	(9.3)

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Stockholders' Equity (Tables)

3 Months Ended

Sep. 30, 2023

Equity, Attributable to Parent [Abstract]

Schedule of Components of Stockholders' Equity

Changes in stockholders' equity by component are as follows:

	Three Months Ended
	September 30, 2023
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at June 30, 2023	$	63.9	$	2,102.3	$	22,118.0	$	(18,469.3)	$	(2,305.8)	$	3,509.1
Net earnings	—				859.4				—		859.4
Other comprehensive income	—				—				(162.0)		(162.0)
Stock-based compensation expense	—		54.0		—				—		54.0
Issuances relating to stock compensation plans	—		32.4		—		49.4		—		81.8
Treasury stock acquired (1.0 million shares repurchased)	—		—				(347.5)		—		(347.5)
Dividends declared ($1.25 per share)	—		—		(522.0)		—		—		(522.0)
Balance at September 30, 2023	$	63.9	$	2,188.7	$	22,455.4	$	(18,767.4)	$	(2,467.8)	$	3,472.8

	Three Months Ended
	September 30, 2022
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at June 30, 2022	$	63.9	$	1,794.2	$	20,696.3	$	(17,335.4)	$	(1,993.7)	$	3,225.3
Net earnings	—				779.0		—		—		779.0
Other comprehensive income	—				—		—		(730.4)		(730.4)
Stock-based compensation expense	—		46.0		—		—		—		46.0
Issuances relating to stock compensation plans	—		52.9		—		40.3		—		93.2
Treasury stock acquired (1.4 million shares repurchased)	—				—		(400.3)		—		(400.3)
Dividends declared ($1.04 per share)	—		—		(436.3)		—		—		(436.3)
Balance at September 30, 2022	$	63.9	$	1,893.1	$	21,039.0	$	(17,695.4)	$	(2,724.1)	$	2,576.5

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Reclassifications out of Accumulated Other Comprehensive Income (“AOCI”) (Tables)

3 Months Ended

Sep. 30, 2023

Reclassification out of Accumulated Other Comprehensive Income [Abstract]

Reclassification out of Accumulated Other Comprehensive Income

Changes in AOCI by component are as follows:

	Three Months Ended
	September 30, 2023
	Currency Translation Adjustment		Net Gains/Losses on Available-for-sale Securities			Cash Flow Hedging Activities			Pension Liability			Accumulated Other Comprehensive (Loss) /Income
Balance at June 30, 2023	$	(340.8)	$	(1,705.6)		$	(23.3)		$	(236.1)		$	(2,305.8)
Other comprehensive (loss)/income before reclassification adjustments	(44.6)		(150.6)			—			—			(195.2)
Tax effect	—		30.1			—			—			30.1
Reclassification adjustments to net earnings	—		1.9		(A)	1.1		(C)	1.0		(B)	4.0
Tax effect	—		(0.4)			(0.3)			(0.2)			(0.9)
Balance at September 30, 2023	$	(385.4)	$	(1,824.6)		$	(22.5)		$	(235.3)		$	(2,467.8)

	Three Months Ended
	September 30, 2022
	Currency Translation Adjustment		Net Gains/Losses on Available-for-sale Securities			Cash Flow Hedging Activities			Pension Liability			Accumulated Other Comprehensive (Loss) /Income
Balance at June 30, 2022	$	(354.2)	$	(1,330.0)		$	(26.6)		$	(282.9)		$	(1,993.7)
Other comprehensive (loss)/income before reclassification adjustments	(84.7)		(835.1)			—			—			(919.8)
Tax effect	—		185.8			—			—			185.8
Reclassification adjustments to net earnings	—		1.5		(A)	1.1		(C)	2.1		(B)	4.7
Tax effect	—		(0.3)			(0.3)			(0.5)			(1.1)
Balance at September 30, 2022	$	(438.9)	$	(1,978.1)		$	(25.8)		$	(281.3)		$	(2,724.1)

(A) Reclassification adjustments out of AOCI are included within Other (income)/expense, net, on the Statements of Consolidated Earnings.

(B) Reclassification adjustments out of AOCI are included in net pension (income)/expense (see Note 11).

(C) Reclassification adjustments out of AOCI are included in Interest expense on the Statements of Consolidated Earnings (see Note 10).

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Interim Financial Data by Segment (Tables)

3 Months Ended

Sep. 30, 2023

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Segment Results:

	Revenues
	Three Months Ended
	September 30,
	2023		2022
Employer Services	$	3,046.4	$	2,790.2
PEO Services	1,469.6		1,429.4
Other	(3.6)		(4.0)
	$	4,512.4	$	4,215.6

  

	Earnings before Income Taxes
	Three Months Ended
	September 30,
	2023		2022
Employer Services	$	1,008.5	$	863.5
PEO Services	222.9		230.3
Other	(138.6)		(83.8)
	$	1,092.8	$	1,010.0

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Revenue - Narrative (Details)	Sep. 30, 2023 pillar
Revenue from Contract with Customer [Abstract]
Number of strategic pillars	3

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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	$ 4,512.4	$ 4,215.6
Employer Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	3,046.4	2,790.2
PEO Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	1,469.6	1,429.4
Other
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	(3.6)	(4.0)
HCM
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	1,914.4	1,811.0
HCM | Employer Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	1,916.7	1,813.2
HCM | PEO Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	0.0	0.0
HCM | Other
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	(2.3)	(2.2)
HRO, excluding PEO zero-margin benefits pass-throughs
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	811.7	777.3
HRO, excluding PEO zero-margin benefits pass-throughs | Employer Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	322.0	296.8
HRO, excluding PEO zero-margin benefits pass-throughs | PEO Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	491.0	482.3
HRO, excluding PEO zero-margin benefits pass-throughs | Other
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	(1.3)	(1.8)
PEO zero-margin benefits pass-throughs
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	976.7	945.8
PEO zero-margin benefits pass-throughs | Employer Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	0.0	0.0
PEO zero-margin benefits pass-throughs | PEO Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	976.7	945.8
PEO zero-margin benefits pass-throughs | Other
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	0.0	0.0
Global
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	607.9	540.5
Global | Employer Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	607.9	540.5
Global | PEO Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	0.0	0.0
Global | Other
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	0.0	0.0
Interest on funds held for clients
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	201.7	141.0
Interest on funds held for clients | Employer Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	199.8	139.7
Interest on funds held for clients | PEO Services
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	1.9	1.3
Interest on funds held for clients | Other
Disaggregation of Revenue [Line Items]
TOTAL REVENUES	$ 0.0	$ 0.0

XML

Revenue - Contract Liability (Details) $ in Millions	3 Months Ended
	Sep. 30, 2023 USD ($)
Change In Contract With Customer, Liability [Roll Forward]
Contract liability, July 1, 2023	$ 464.8
Recognition of revenue included in beginning of year contract liability	(35.7)
Contract liability, net of revenue recognized on contracts during the period	31.1
Currency translation adjustments	12.0
Contract liability, September 30, 2023	$ 472.2

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Earnings per Share (“EPS”) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net earnings	$ 859.4	$ 779.0
Basic, Weighted average shares (shares)	411,700,000	414,600,000
Effect of Employee Stock Option Shares (shares)	900,000	1,100,000
Effect of Employee Restricted Stock Shares (shares)	1,000,000.0	1,200,000
Diluted, Weighted average shares (shares)	413,600,000	416,900,000
Basic, EPS (in US$ per share)	$ 2.09	$ 1.88
Diluted, EPS (in US$ per share)	$ 2.08	$ 1.87
Options excluded from the calculation of diluted earnings per share (shares)	0	300,000

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Other (Income)/Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Other Income and Expenses [Abstract]
Interest income on corporate funds	$ (46.5)	$ (29.7)
Realized losses/(gains) on available-for-sale securities, net	1.9	1.5
Gain on sale of assets	(14.6)	0.0
Impairment of assets	0.0	0.3
Non-service components of pension income, net	(8.5)	(11.6)
Other (income)/expense, net	$ (67.7)	$ (39.5)

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Corporate Investments and Funds Held for Clients (Corporate Investments and Funds Held for Clients) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022
Debt Securities, Available-for-sale [Line Items]
Money market securities, cash and other cash equivalents - amortized cost	$ 1,441.4	$ 2,083.5	$ 1,207.7
Amortized Cost	31,956.0	31,971.8
Gross Unrealized  Gains	0.2	7.5
Gross Unrealized Losses	(2,355.8)	(2,214.4)
Fair market value	29,600.4	29,764.9
Total corporate investments and funds held for clients - amortized cost	38,917.9	40,743.3
Total corporate investments and funds held for clients - gross unrealized gains	0.2	7.5
Total corporate investments and funds held for clients - gross unrealized losses	(2,355.8)	(2,214.4)
Total corporate investments and funds held for clients - fair market value	36,562.3	38,536.4
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	15,836.9	15,870.7
Gross Unrealized  Gains	0.1	4.7
Gross Unrealized Losses	(1,407.3)	(1,308.3)
Fair market value	14,429.7	14,567.1
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	8,213.5	8,054.7
Gross Unrealized  Gains	0.0	0.7
Gross Unrealized Losses	(283.8)	(290.4)
Fair market value	7,929.7	7,765.0
Canadian government obligations and Canadian government agency obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,049.8	2,070.4
Gross Unrealized  Gains	0.0	0.0
Gross Unrealized Losses	(149.2)	(145.0)
Fair market value	1,900.6	1,925.4
U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,669.6	1,670.0
Gross Unrealized  Gains	0.0	0.2
Gross Unrealized Losses	(197.9)	(179.8)
Fair market value	1,471.7	1,490.4
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,136.6	1,234.7
Gross Unrealized  Gains	0.0	0.0
Gross Unrealized Losses	(68.1)	(69.7)
Fair market value	1,068.5	1,165.0
Canadian provincial bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,013.1	1,000.5
Gross Unrealized  Gains	0.0	0.2
Gross Unrealized Losses	(88.0)	(78.1)
Fair market value	925.1	922.6
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	661.7	679.2
Gross Unrealized  Gains	0.0	0.0
Gross Unrealized Losses	(51.9)	(46.7)
Fair market value	609.8	632.5
Other securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,374.8	1,391.6
Gross Unrealized  Gains	0.1	1.7
Gross Unrealized Losses	(109.6)	(96.4)
Fair market value	1,265.3	1,296.9
Corporate Investments
Debt Securities, Available-for-sale [Line Items]
Fair market value	358.0	119.3
Funds Held For Clients
Debt Securities, Available-for-sale [Line Items]
Fair market value	29,242.4	29,645.6
Money Market Funds
Debt Securities, Available-for-sale [Line Items]
Money market securities, cash and other cash equivalents - amortized cost	6,961.9	8,771.5
Money market securities and other cash equivalents - fair market value	$ 6,961.9	$ 8,771.5

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Corporate Investments and Funds Held for Clients (Narrative) (Details) - USD ($)	3 Months Ended
	Sep. 30, 2023	Jun. 30, 2023
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	$ 29,600,400,000	$ 29,764,900,000
Client fund obligation repayment period	1 year
Client funds obligations	$ 37,098,800,000	38,538,600,000
Client funds held in grantor trust	$ 31,932,500,000	32,758,100,000
Client funds investments with original maturities	ninety
Fair Value, Inputs, Level 1
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	$ 0
Fair Value, Inputs, Level 3
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	0
Asset-Backed Auto Loan Receivables
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	522,300,000
Fixed Rate Credit Card
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	352,100,000
Asset-Backed Equipment Lease Receivable
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	168,300,000
Federal Farm Credit Banks
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	952,300,000
Federal Home Loan Banks
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	442,100,000
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	609,800,000	$ 632,500,000
Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	521,200,000
Debt Security, Corporate, Non-US
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	375,500,000
Supranational Bonds
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale	$ 203,200,000

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Corporate Investments and Funds Held for Clients (Available-For-Sale Securities that have been in an Unrealized Loss Position) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Jun. 30, 2023
Debt Securities, Available-for-sale [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months, Gross Unrealized Losses	$ (112.7)	$ (179.8)
Securities in Unrealized Loss Position Less Than 12 Months, Fair Market Value	4,385.8	8,235.0
Securities in Unrealized Loss Position Greater Than 12 Months, Gross Unrealized Losses	(2,243.1)	(2,034.6)
Securities in Unrealized Loss Position Greater Than 12 Months, Fair Market Value	25,126.6	20,814.5
Total, Gross Unrealized Losses	(2,355.8)	(2,214.4)
Total, Fair Market Value	29,512.4	29,049.5
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months, Gross Unrealized Losses	(50.3)	(62.0)
Securities in Unrealized Loss Position Less Than 12 Months, Fair Market Value	1,297.5	2,255.9
Securities in Unrealized Loss Position Greater Than 12 Months, Gross Unrealized Losses	(1,357.0)	(1,246.3)
Securities in Unrealized Loss Position Greater Than 12 Months, Fair Market Value	13,097.5	12,050.5
Total, Gross Unrealized Losses	(1,407.3)	(1,308.3)
Total, Fair Market Value	14,395.0	14,306.4
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months, Gross Unrealized Losses	(33.8)	(85.5)
Securities in Unrealized Loss Position Less Than 12 Months, Fair Market Value	2,090.5	4,629.4
Securities in Unrealized Loss Position Greater Than 12 Months, Gross Unrealized Losses	(250.0)	(204.9)
Securities in Unrealized Loss Position Greater Than 12 Months, Fair Market Value	5,836.0	2,876.3
Total, Gross Unrealized Losses	(283.8)	(290.4)
Total, Fair Market Value	7,926.5	7,505.7
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months, Gross Unrealized Losses	(3.2)	(2.0)
Securities in Unrealized Loss Position Less Than 12 Months, Fair Market Value	251.0	159.7
Securities in Unrealized Loss Position Greater Than 12 Months, Gross Unrealized Losses	(64.9)	(67.7)
Securities in Unrealized Loss Position Greater Than 12 Months, Fair Market Value	801.5	975.6
Total, Gross Unrealized Losses	(68.1)	(69.7)
Total, Fair Market Value	1,052.5	1,135.3
Canadian government obligations and Canadian government agency obligations
Debt Securities, Available-for-sale [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months, Gross Unrealized Losses	(4.3)	(5.8)
Securities in Unrealized Loss Position Less Than 12 Months, Fair Market Value	186.8	333.9
Securities in Unrealized Loss Position Greater Than 12 Months, Gross Unrealized Losses	(144.9)	(139.2)
Securities in Unrealized Loss Position Greater Than 12 Months, Fair Market Value	1,713.8	1,588.0
Total, Gross Unrealized Losses	(149.2)	(145.0)
Total, Fair Market Value	1,900.6	1,921.9
U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months, Gross Unrealized Losses	(1.9)	(0.6)
Securities in Unrealized Loss Position Less Than 12 Months, Fair Market Value	36.0	28.2
Securities in Unrealized Loss Position Greater Than 12 Months, Gross Unrealized Losses	(196.0)	(179.2)
Securities in Unrealized Loss Position Greater Than 12 Months, Fair Market Value	1,435.6	1,432.2
Total, Gross Unrealized Losses	(197.9)	(179.8)
Total, Fair Market Value	1,471.6	1,460.4
Canadian provincial bonds
Debt Securities, Available-for-sale [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months, Gross Unrealized Losses	(6.9)	(2.7)
Securities in Unrealized Loss Position Less Than 12 Months, Fair Market Value	143.3	127.0
Securities in Unrealized Loss Position Greater Than 12 Months, Gross Unrealized Losses	(81.1)	(75.4)
Securities in Unrealized Loss Position Greater Than 12 Months, Fair Market Value	781.8	757.3
Total, Gross Unrealized Losses	(88.0)	(78.1)
Total, Fair Market Value	925.1	884.3
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months, Gross Unrealized Losses	0.0	(6.7)
Securities in Unrealized Loss Position Less Than 12 Months, Fair Market Value	0.0	126.9
Securities in Unrealized Loss Position Greater Than 12 Months, Gross Unrealized Losses	(51.9)	(40.0)
Securities in Unrealized Loss Position Greater Than 12 Months, Fair Market Value	609.8	505.6
Total, Gross Unrealized Losses	(51.9)	(46.7)
Total, Fair Market Value	609.8	632.5
Other securities
Debt Securities, Available-for-sale [Line Items]
Securities in Unrealized Loss Position Less Than 12 Months, Gross Unrealized Losses	(12.3)	(14.5)
Securities in Unrealized Loss Position Less Than 12 Months, Fair Market Value	380.7	574.0
Securities in Unrealized Loss Position Greater Than 12 Months, Gross Unrealized Losses	(97.3)	(81.9)
Securities in Unrealized Loss Position Greater Than 12 Months, Fair Market Value	850.6	629.0
Total, Gross Unrealized Losses	(109.6)	(96.4)
Total, Fair Market Value	$ 1,231.3	$ 1,203.0

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Corporate Investments and Funds Held for Clients (Classification of Corporate Investments on the Consolidated Balance Sheets) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022
Corporate Investments And Funds Held For Clients [Abstract]
Cash and cash equivalents	$ 1,441.4	$ 2,083.5	$ 1,207.7
Short-term marketable securities	146.8	14.7
Long-term marketable securities	211.2	104.6
Total corporate investments	$ 1,799.4	$ 2,202.8

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Corporate Investments and Funds Held for Clients (Schedule of Investment of Funds Held for Clients) (Details) - USD ($) $ in Millions	Sep. 30, 2023		Jun. 30, 2023	Sep. 30, 2022	[1]
Debt Securities, Available-for-sale [Line Items]
Restricted cash and cash equivalents held to satisfy client funds obligations	$ 5,520.5	[1]	$ 6,688.0	$ 4,368.3
Total funds held for clients	34,762.9		36,333.6
Current
Debt Securities, Available-for-sale [Line Items]
Available-for-sale securities, restricted	6,061.5		5,601.9
Non-current
Debt Securities, Available-for-sale [Line Items]
Available-for-sale securities, restricted	$ 23,180.9		$ 24,043.7

[1] See Note 6 for a reconciliation of restricted cash and restricted cash equivalents in funds held for clients on the Consolidated Balance Sheets.

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Corporate Investments and Funds Held for Clients (Expected Maturities of Available-For-Sale Securities) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Jun. 30, 2023
Corporate Investments And Funds Held For Clients [Abstract]
One year or less	$ 6,208.3
One year to two years	6,246.6
Two years to three years	7,275.3
Three years to four years	2,980.7
After four years	6,889.5
Total available-for-sale securities	$ 29,600.4	$ 29,764.9

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Leases - Narrative (Details)	Sep. 30, 2023	Jun. 30, 2023
Leases [Abstract]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities
Operating lease, contract term	11 years

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Leases - Lease Cost (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Operating lease cost	$ 34.0	$ 35.6
Short-term lease cost	0.5	0.3
Variable lease cost	3.2	3.0
Total operating lease cost	$ 37.7	$ 38.9

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Leases - Right of Use Assets and Operating Lease Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023
Leases [Abstract]
Cash paid for operating lease liabilities	$ 30.5	$ 33.5
Operating lease ROU assets obtained in exchange for new operating lease liabilities	$ 26.9	$ 12.4
Weighted-average remaining lease term (in years)	5 years		6 years
Weighted-average discount rate	2.90%		2.70%
Current operating lease liability	$ 97.4		$ 95.5

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Leases - Operating Lease Maturities (Details) $ in Millions	Sep. 30, 2023 USD ($)
Leases [Abstract]
Nine months ending June 30, 2024	$ 83.7
Twelve months ending June 30, 2025	97.9
Twelve months ending June 30, 2026	83.1
Twelve months ending June 30, 2027	72.9
Twelve months ending June 30, 2028	53.5
Thereafter	74.1
Total undiscounted lease obligations	465.2
Less: Imputed interest	(33.5)
Net lease obligations	$ 431.7

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Goodwill and Intangible Assets, net - Changes In Goodwill (Details) $ in Millions	3 Months Ended
	Sep. 30, 2023 USD ($)
Goodwill [Roll Forward]
Balance at June 30, 2023	$ 2,339.4
Additions and other adjustments	27.5
Currency translation adjustments	(14.4)
Balance at September 30, 2023	2,352.5
Employer Services
Goodwill [Roll Forward]
Balance at June 30, 2023	2,334.6
Additions and other adjustments	27.5
Currency translation adjustments	(14.4)
Balance at September 30, 2023	2,347.7
PEO Services
Goodwill [Roll Forward]
Balance at June 30, 2023	4.8
Additions and other adjustments	0.0
Currency translation adjustments	0.0
Balance at September 30, 2023	$ 4.8

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Goodwill and Intangible Assets, net - Components Of Finite-Lived Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2023	Jun. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Total - gross	$ 4,998.7	$ 4,931.4
Total - accumulated amortization	(3,666.9)	(3,587.8)
Intangible assets, net	1,331.8	1,343.6
Software and software licenses
Finite-Lived Intangible Assets [Line Items]
Total - gross	3,608.6	3,548.9
Total - accumulated amortization	(2,496.2)	(2,442.6)
Customer contracts and lists
Finite-Lived Intangible Assets [Line Items]
Total - gross	1,148.2	1,140.6
Total - accumulated amortization	(931.9)	(907.5)
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Total - gross	241.9	241.9
Total - accumulated amortization	$ (238.8)	$ (237.7)

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Goodwill and Intangible Assets, net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Useful life	6 years
Amortization of intangible assets	$ 95.7	$ 92.3
Software and software licenses
Finite-Lived Intangible Assets [Line Items]
Useful life	6 years
Customer contracts and lists
Finite-Lived Intangible Assets [Line Items]
Useful life	3 years
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Useful life	1 year

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Goodwill and Intangible Assets, net - Schedule Of Finite-Lived Intangible Assets, Future Amortization Expense (Details) $ in Millions	Sep. 30, 2023 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Nine months ending June 30, 2024	$ 315.8
Twelve months ending June 30, 2025	282.9
Twelve months ending June 30, 2026	193.3
Twelve months ending June 30, 2027	152.7
Twelve months ending June 30, 2028	115.6
Twelve months ending June 30, 2029	$ 88.0

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Short-term Financing - Narrative (Details) - USD ($)		3 Months Ended
		Sep. 30, 2023	Jun. 30, 2023
Short-term Debt [Line Items]
Line of credit facility, fair value of amount outstanding		$ 0
Commercial paper		0	$ 0
Obligations under reverse repurchase agreements	[1]	343,800,000	$ 105,400,000
364-day credit agreement
Short-term Debt [Line Items]
Maximum borrowing capacity under credit facilities		$ 4,250,000,000
Term of credit agreement		364 days
Extension option term		1 year
Credit Facility Expiring In June 2026
Short-term Debt [Line Items]
Maximum borrowing capacity under credit facilities		$ 3,200,000,000
Term of credit agreement		5 years
Line of credit facility potentially available increase in maximum borrowing capacity		$ 500,000,000
Credit Facility Expiring In June 2028
Short-term Debt [Line Items]
Maximum borrowing capacity under credit facilities		$ 2,250,000,000
Term of credit agreement		5 years
Line of credit facility potentially available increase in maximum borrowing capacity		$ 500,000,000
Commercial paper program
Short-term Debt [Line Items]
Maximum borrowing capacity under credit facilities		$ 9,700,000,000
Debt instrument, term		364 days
Reverse repurchase agreements | Maximum
Short-term Debt [Line Items]
Debt instrument, term		5 days

[1] As of September 30, 2023, $131.9 million of short-term marketable securities, $211.2 million of long-term marketable securities and $0.7 million of cash and cash equivalents have been pledged as collateral under the Company's reverse repurchase agreements. As of June 30, 2023, $104.6 million of long-term marketable securities and $0.8 million of cash and cash equivalents have been pledged as collateral under the Company's reverse repurchase agreements (see Note 9)

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Short-term Financing - Commercial Paper Program and Reverse Repurchase Agreements (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Commercial paper program
Short-term Debt [Line Items]
Average outstanding balances	$ 4,100.0	$ 4,600.0
Weighted average interest rates	5.30%	2.30%
Weighted average maturity (approximately in days)	2 days	2 days
Reverse repurchase agreements
Short-term Debt [Line Items]
Average outstanding balances	$ 1,379.0	$ 1,119.4
Weighted average interest rates	5.30%	2.40%

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Debt - Narrative (Details) $ in Millions	3 Months Ended
	Sep. 30, 2023 USD ($) note
Debt Instrument [Line Items]
Number of fixed rate notes issued | note	3
Aggregate principal amount	$ 3,000.0
Fair value of notes issued	$ 2,600.1
Notes due on 2028
Debt Instrument [Line Items]
Debt instrument, term	7 years
Notes due on 2025 an 2030
Debt Instrument [Line Items]
Debt instrument, term	10 years

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Debt (Details) - USD ($) $ in Millions	Sep. 30, 2023	Jun. 30, 2023
Debt Instrument [Line Items]
Notes payable	$ 3,004.7	$ 3,004.9
Less: current portion	(0.9)	(1.2)
Less: unamortized discount and debt issuance costs	(14.0)	(14.7)
Long-term debt	$ 2,989.8	2,989.0
Fixed-rate 3.375% notes due September 15, 2025
Debt Instrument [Line Items]
Stated interest rate	3.375%
Debt instrument effective rate (percent)	3.47%
Notes payable	$ 1,000.0	1,000.0
Fixed-rate 1.700% notes due May 15, 2028
Debt Instrument [Line Items]
Stated interest rate	1.70%
Debt instrument effective rate (percent)	1.85%
Notes payable	$ 1,000.0	1,000.0
Fixed-rate 1.250% notes due September 1, 2030
Debt Instrument [Line Items]
Stated interest rate	1.25%
Debt instrument effective rate (percent)	1.83%
Notes payable	$ 1,000.0	1,000.0
Other
Debt Instrument [Line Items]
Notes payable	$ 4.7	$ 4.9

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Employee Benefit Plans (Narrative) (Details) - shares shares in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Treasury stock acquired (shares)	1.0	1.4
Performance Based Restricted Stock and Units
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Minimum percentage that will ultimately vest under performance-based restricted stock awards based on performance target	0.00%
Maximum percentage that will ultimately vest under performance-based restricted stock awards based on performance target	200.00%
Performance Based Restricted Stock and Units | Minimum
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Performance period (years)	1 year
Performance Based Restricted Stock and Units | Maximum
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Vesting term options granted	38 months
Performance period (years)	3 years
Time Based Restriced Stock granted during or after September 1, 2018
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Vesting term options granted	3 years
Employee Stock
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Purchase price of common stock as percentage of market value	95.00%

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Employee Benefit Plans (Components Of Stock-Based Compensation Expense) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Total pretax stock-based compensation expense	$ 58.8	$ 50.6
Operating expenses
Defined Benefit Plan Disclosure [Line Items]
Total pretax stock-based compensation expense	7.4	6.0
Selling, general and administrative expenses
Defined Benefit Plan Disclosure [Line Items]
Total pretax stock-based compensation expense	42.8	37.1
Research and development
Defined Benefit Plan Disclosure [Line Items]
Total pretax stock-based compensation expense	$ 8.6	$ 7.5

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Employee Benefit Plans (Changes In Stock Options Outstanding) (Details) shares in Thousands	3 Months Ended
	Sep. 30, 2023 $ / shares shares
Number of Options (in thousands)
Options outstanding at beginning of period (shares) | shares	2,654
Options exercised (in shares) | shares	(305)
Options forfeited/cancelled (shares) | shares	(5)
Options outstanding at end of period (shares) | shares	2,344
Weighted Average Price (in dollars)
Options outstanding at beginning of period (in dollars per share) | $ / shares	$ 155
Options exercised, weighted average price (in dollar per share) | $ / shares	148
Options forfeited/cancelled, weighted average price (in dollar per share) | $ / shares	176
Options outstanding at end of period (in dollars per share) | $ / shares	$ 156

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Employee Benefit Plans (Time-Based Restricted shares and units) (Details) shares in Thousands	3 Months Ended
	Sep. 30, 2023 shares
Time Based Restricted Stock
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Restricted shares/units outstanding at beginning of period (in shares/units)	450
Restricted shares/units granted (in shares/units)	0
Restricted shares/units vested (in shares/units)	(289)
Restricted shares/units forfeited (in shares/units)	(4)
Restricted shares/units outstanding at end of period (in shares/units)	157
Time Based restricted Stock Units
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Restricted shares/units outstanding at beginning of period (in shares/units)	730
Restricted shares/units granted (in shares/units)	605
Restricted shares/units vested (in shares/units)	(256)
Restricted shares/units forfeited (in shares/units)	(8)
Restricted shares/units outstanding at end of period (in shares/units)	1,071

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Employee Benefit Plans (Performance based restricted shares and units) (Details) shares in Thousands	3 Months Ended
	Sep. 30, 2023 shares
Performance Based Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Restricted shares/units outstanding at beginning of period (in shares/units)	197
Restricted shares/units granted (in shares/units)	113
Restricted shares/units vested (in shares/units)	(103)
Restricted shares/units forfeited (in shares/units)	(3)
Restricted shares/units outstanding at end of period (in shares/units)	204
Performance Based Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Restricted shares/units outstanding at beginning of period (in shares/units)	821
Restricted shares/units granted (in shares/units)	224
Restricted shares/units vested (in shares/units)	(363)
Restricted shares/units forfeited (in shares/units)	(3)
Restricted shares/units outstanding at end of period (in shares/units)	679

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Employee Benefit Plans (Components Of Net Pension (Income)/Expense) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Retirement Benefits [Abstract]
Service cost – benefits earned during the period	$ 1.3	$ 1.2
Interest cost on projected benefits	21.2	19.5
Expected return on plan assets	(29.0)	(31.9)
Net amortization and deferral	0.7	0.5
Settlement charges and special termination benefits	0.0	1.4
Net pension (income)/expense	$ (5.8)	$ (9.3)

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Income Taxes (Details)	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Effective income tax rate	21.40%	22.90%

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Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 3,509.1	$ 3,225.3
Net earnings	859.4	779.0
Other comprehensive income	(162.0)	(730.4)
Stock-based compensation expense	54.0	46.0
Issuances relating to stock compensation plans	81.8	93.2
Treasury stock acquired	$ (347.5)	$ (400.3)
Treasury stock acquired (shares)	1.0	1.4
Dividends declared	$ (522.0)	$ (436.3)
Dividends declared (in US$ per share)	$ 1.25	$ 1.04
Ending balance	$ 3,472.8	$ 2,576.5
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	63.9	63.9
Ending balance	63.9	63.9
Capital in Excess of Par Value
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	2,102.3	1,794.2
Stock-based compensation expense	54.0	46.0
Issuances relating to stock compensation plans	32.4	52.9
Ending balance	2,188.7	1,893.1
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	22,118.0	20,696.3
Net earnings	859.4	779.0
Dividends declared	(522.0)	(436.3)
Ending balance	22,455.4	21,039.0
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(18,469.3)	(17,335.4)
Issuances relating to stock compensation plans	49.4	40.3
Treasury stock acquired	(347.5)	(400.3)
Ending balance	(18,767.4)	(17,695.4)
AOCI
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(2,305.8)	(1,993.7)
Other comprehensive income	(162.0)	(730.4)
Ending balance	$ (2,467.8)	$ (2,724.1)

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Reclassifications out of Accumulated Other Comprehensive Income (“AOCI”) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
AOCI Net of Tax [Roll Forward]
Beginning balance	$ 3,509.1	$ 3,225.3
Other comprehensive (loss)/income before reclassification adjustments	(195.2)	(919.8)
Tax effect	30.1	185.8
Reclassification adjustments to net earnings	4.0	4.7
Tax effect	(0.9)	(1.1)
Ending balance	3,472.8	2,576.5
AOCI
AOCI Net of Tax [Roll Forward]
Beginning balance	(2,305.8)	(1,993.7)
Ending balance	(2,467.8)	(2,724.1)
Currency Translation Adjustment
AOCI Net of Tax [Roll Forward]
Beginning balance	(340.8)	(354.2)
Other comprehensive (loss)/income before reclassification adjustments	(44.6)	(84.7)
Tax effect	0.0	0.0
Reclassification adjustments to net earnings	0.0	0.0
Tax effect	0.0	0.0
Ending balance	(385.4)	(438.9)
Net Gains/Losses on Available-for-sale Securities
AOCI Net of Tax [Roll Forward]
Beginning balance	(1,705.6)	(1,330.0)
Other comprehensive (loss)/income before reclassification adjustments	(150.6)	(835.1)
Tax effect	30.1	185.8
Reclassification adjustments to net earnings	1.9	1.5
Tax effect	(0.4)	(0.3)
Ending balance	(1,824.6)	(1,978.1)
Cash Flow Hedging Activities
AOCI Net of Tax [Roll Forward]
Beginning balance	(23.3)	(26.6)
Other comprehensive (loss)/income before reclassification adjustments	0.0	0.0
Tax effect	0.0	0.0
Reclassification adjustments to net earnings	1.1	1.1
Tax effect	(0.3)	(0.3)
Ending balance	(22.5)	(25.8)
Pension Liability
AOCI Net of Tax [Roll Forward]
Beginning balance	(236.1)	(282.9)
Other comprehensive (loss)/income before reclassification adjustments	0.0	0.0
Tax effect	0.0	0.0
Reclassification adjustments to net earnings	1.0	2.1
Tax effect	(0.2)	(0.5)
Ending balance	$ (235.3)	$ (281.3)

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Interim Financial Data by Segment (Narrative) (Details)	3 Months Ended
	Sep. 30, 2023 segment
Segment Reporting [Abstract]
Number of reportable segments	2

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Interim Financial Data by Segment (Financial Data By Strategic Business Unit Segment) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Revenues	$ 4,512.4	$ 4,215.6
Earnings before Income Taxes	1,092.8	1,010.0
Employer Services
Segment Reporting Information [Line Items]
Revenues	3,046.4	2,790.2
Earnings before Income Taxes	1,008.5	863.5
PEO Services
Segment Reporting Information [Line Items]
Revenues	1,469.6	1,429.4
Earnings before Income Taxes	222.9	230.3
Other
Segment Reporting Information [Line Items]
Revenues	(3.6)	(4.0)
Earnings before Income Taxes	$ (138.6)	$ (83.8)