Statements of Consolidated Cash Flows - USD ($) $ in Millions		9 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Cash Flows from Operating Activities:
Net earnings		$ 2,635.3	$ 2,323.4
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Depreciation and amortization		408.9	384.6
Amortization of deferred contract costs		738.1	714.3
Deferred income taxes		(17.6)	2.1
Stock-based compensation expense		176.6	146.2
Net pension income		(30.7)	(47.4)
Net amortization of premiums and accretion of discounts on available-for-sale securities		25.5	76.1
Other		48.6	(4.6)
Changes in operating assets and liabilities:
Decrease/(Increase) in accounts receivable		80.1	(533.6)
Increase in other assets		(985.7)	(936.9)
Decrease in accounts payable		(31.6)	(41.3)
(Decrease)/Increase in accrued expenses and other liabilities		(25.6)	103.7
Net cash flows provided by operating activities		3,021.9	2,186.6
Cash Flows from Investing Activities:
Purchases of corporate and client funds marketable securities		(5,471.1)	(8,944.0)
Proceeds from the sales and maturities of corporate and client funds marketable securities		3,881.4	3,366.9
Capital expenditures		(145.4)	(126.8)
Additions to intangibles		(285.3)	(282.3)
Acquisitions of businesses, net of cash acquired		(32.4)	(11.7)
Proceeds from sale of property, plant, and equipment and other assets		0.0	34.2
Net cash flows used in investing activities		(2,052.8)	(5,963.7)
Cash Flows from Financing Activities:
Net (decrease)/increase in client funds obligations		(3,412.3)	25,028.7
Payments of debt		(0.7)	(0.7)
Proceeds from the issuance of debt		0.0	7.3
Repurchases of common stock		(817.5)	(1,481.9)
Net proceeds from stock purchase plan and stock-based compensation plans		72.7	73.5
Dividends paid		(1,386.1)	(1,224.7)
Net payments related to reverse repurchase agreements		(142.3)	(23.5)
Net cash flows (used in)/provided by financing activities		(5,686.2)	22,378.7
Effect of exchange rate changes on cash, cash equivalents, restricted cash, and restricted cash equivalents		(25.3)	(14.2)
Net change in cash, cash equivalents, restricted cash, and restricted cash equivalents		(4,742.4)	18,587.4
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		18,040.6	31,730.6
Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents to the Consolidated Balance Sheets
Cash and cash equivalents		1,828.4	1,634.2
Restricted cash and cash equivalents held to satisfy client funds obligations	[1]	16,212.2	30,096.4
Total cash, cash equivalents, restricted cash, and restricted cash equivalents		18,040.6	31,730.6
Supplemental disclosures of cash flow information:
Cash paid for interest		148.5	57.1
Cash paid for income taxes, net of income tax refunds		$ 778.8	$ 587.9

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