Statements of Consolidated Cash Flows - USD ($) $ in Millions		3 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
Cash Flows from Operating Activities:
Net earnings		$ 779.0	$ 700.5
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Depreciation and amortization		135.1	129.1
Amortization of deferred contract costs		243.5	237.3
Deferred income taxes		20.5	25.6
Stock-based compensation expense		50.6	42.3
Net pension income		(9.3)	(15.8)
Net amortization of premiums and accretion of discounts on available-for-sale securities		16.0	22.7
Other		10.6	1.9
Changes in operating assets and liabilities:
Decrease/(Increase) in accounts receivable		201.5	(51.8)
Increase in other assets		(504.0)	(494.2)
Decrease in accounts payable		(30.7)	(61.9)
Decrease in accrued expenses and other liabilities		(194.7)	(413.8)
Net cash flows provided by operating activities		718.1	121.9
Cash Flows from Investing Activities:
Purchases of corporate and client funds marketable securities		(3,064.5)	(2,412.6)
Proceeds from the sales and maturities of corporate and client funds marketable securities		1,618.6	1,279.1
Capital expenditures		(45.4)	(35.9)
Additions to intangibles		(86.3)	(93.2)
Proceeds from sale of property, plant, and equipment and other assets		0.0	26.2
Net cash flows used in investing activities		(1,577.6)	(1,236.4)
Cash Flows from Financing Activities:
Net (decrease)/increase in client funds obligations		(15,592.0)	12,100.6
Payments of debt		(0.2)	(0.2)
Repurchases of common stock		(333.3)	(528.0)
Net proceeds from stock purchase plan and stock-based compensation plans		1.0	(16.7)
Dividends paid		(432.9)	(393.2)
Net proceeds related to reverse repurchase agreements		54.8	22.3
Net cash flows (used in)/provided by financing activities		(16,302.6)	11,184.8
Effect of exchange rate changes on cash, cash equivalents, restricted cash, and restricted cash equivalents		(44.9)	(21.2)
Net change in cash, cash equivalents, restricted cash, and restricted cash equivalents		(17,207.0)	10,049.1
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		5,576.0	23,192.3
Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents to the Consolidated Balance Sheets
Cash and cash equivalents		1,207.7	1,602.1
Restricted cash and restricted equivalents included in funds held for clients	[1]	4,368.3	21,590.2
Total cash, cash equivalents, restricted cash, and restricted cash equivalents		5,576.0	23,192.3
Supplemental disclosures of cash flow information:
Cash paid for interest		56.7	23.9
Cash paid for income taxes, net of income tax refunds		$ 57.5	$ 55.0

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