Statements Of Consolidated Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Cash Flows from Operating Activities:
NET EARNINGS	$ 2,292.8	$ 1,884.9	$ 1,787.8
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Depreciation and amortization	409.0	377.6	316.1
Capitalized Contract Cost, Amortization	874.0	837.4	787.9
Deferred income taxes	9.3	(152.0)	41.3
Stock-based compensation expense	167.3	175.4	138.9
Net pension expense	55.4	330.4	24.2
Net amortization of premiums and accretion of discounts on available-for-sale securities	50.1	71.5	85.9
Impairment of Intangible Assets, Finite-lived	12.1	0.0	0.0
Gain on sale of assets	(19.8)	(0.7)	0.0
Gain on sale of divested businesses, net of tax	0.0	0.0	(121.4)
Other	43.9	32.2	37.1
Changes in operating assets and liabilities, net of effects from acquisitions and divestitures of businesses:
(Increase)/decrease in accounts receivable	(473.9)	(291.8)	23.4
Increase in other assets	(987.2)	(858.3)	(1,139.4)
Decrease in accounts payable	(10.7)	(1.9)	(11.6)
Increase in accrued expenses and other liabilities	266.0	110.5	155.7
Net cash flows provided by operating activities	2,688.3	2,515.2	2,125.9
Cash Flows from Investing Activities:
Purchases of corporate and client funds marketable securities	(4,422.6)	(4,876.8)	(4,382.8)
Proceeds from the sales and maturities of corporate and client funds marketable securities	2,909.0	3,455.0	3,593.6
Capital expenditures	(162.0)	(206.1)	(240.2)
Additions to intangibles	(404.5)	(264.7)	(230.4)
Acquisitions of businesses, net of cash acquired	(125.5)	(612.4)	(87.4)
Proceeds from the sale of property, plant, and equipment and other assets	7.9	0.4	0.0
Proceeds from the sale of divested businesses	0.0	0.0	234.0
Net cash flows used in investing activities	(2,197.7)	(2,504.6)	(1,113.2)
Cash Flows from Financing Activities:
Net increase/(decrease) in client funds obligations	1,696.0	340.4	(6,120.6)
Payments of debt	(2.1)	(7.3)	(2.0)
Repurchases of common stock	(937.7)	(989.3)	(1,259.6)
Net proceeds from stock purchase plan and stock-based compensation plans	72.9	69.3	95.7
Dividends paid	(1,293.0)	(1,063.7)	(995.2)
Other	(5.8)	(5.3)	0.0
Net cash flows used in financing activities	(207.7)	(1,655.9)	(8,281.7)
Effect of exchange rate changes on cash, cash equivalents, restricted cash, and restricted cash equivalents	(28.8)	5.8	(8.0)
Net change in cash, cash equivalents, restricted cash, and restricted cash equivalents	254.1	(1,639.5)	(7,277.0)
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of year	6,542.1	8,181.6	15,458.6
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of year	6,796.2	6,542.1	8,181.6
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	6,542.1	8,181.6	15,458.6
Net proceeds from reverse repurchase agreements	262.0	0.0	0.0
Cash paid for interest	127.5	100.5	78.1
Cash paid for income taxes, net of income tax refunds	$ 633.8	$ 529.7	$ 817.1