Statements of Consolidated Cash Flows - USD ($) $ in Millions		6 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
Cash Flows from Operating Activities:
Net earnings		$ 1,592.2	$ 1,394.9
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Depreciation and amortization		271.9	255.6
Amortization of deferred contract costs		488.6	474.9
Deferred income taxes		9.9	46.4
Stock-based compensation expense		109.0	97.9
Net pension income		(20.0)	(31.6)
Net amortization of premiums and accretion of discounts on available-for-sale securities		23.6	48.5
Other		30.8	6.8
Changes in operating assets and liabilities:
Increase in accounts receivable		(1.1)	(26.0)
Increase in other assets		(787.9)	(668.6)
Decrease in accounts payable		(20.5)	(19.9)
Decrease in accrued expenses and other liabilities		(78.7)	(363.3)
Net cash flows provided by operating activities		1,617.8	1,215.6
Cash Flows from Investing Activities:
Purchases of corporate and client funds marketable securities		(3,707.1)	(5,223.3)
Proceeds from the sales and maturities of corporate and client funds marketable securities		2,525.6	1,996.9
Capital expenditures		(95.1)	(75.8)
Additions to intangibles		(178.4)	(180.7)
Acquisitions of businesses, net of cash acquired		(14.4)	(11.7)
Proceeds from sale of property, plant, and equipment and other assets		0.0	26.2
Net cash flows used in investing activities		(1,469.4)	(3,468.4)
Cash Flows from Financing Activities:
Net (decrease)/increase in client funds obligations		(8,096.8)	11,415.8
Payments of debt		(0.5)	(0.5)
Repurchases of common stock		(553.5)	(990.5)
Net proceeds from stock purchase plan and stock-based compensation plans		24.8	50.4
Dividends paid		(865.5)	(787.0)
Net payments related to reverse repurchase agreements		(132.8)	(23.5)
Net cash flows (used in)/provided by financing activities		(9,624.3)	9,664.7
Effect of exchange rate changes on cash, cash equivalents, restricted cash, and restricted cash equivalents		(24.6)	(20.9)
Net change in cash, cash equivalents, restricted cash, and restricted cash equivalents		(9,500.5)	7,391.0
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period		22,783.0	13,143.2
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period		13,282.5	20,534.2
Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents to the Consolidated Balance Sheets
Cash and cash equivalents		1,345.0	1,745.0
Restricted cash and restricted equivalents included in funds held for clients	[1]	11,937.5	18,789.2
Total cash, cash equivalents, restricted cash, and restricted cash equivalents		13,282.5	20,534.2
Supplemental disclosures of cash flow information:
Cash paid for interest		104.5	33.1
Cash paid for income taxes, net of income tax refunds		$ 537.1	$ 365.7

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