Statements Of Consolidated Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Statement of Cash Flows [Abstract]
NET EARNINGS	$ 626.7		$ 705.6
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Depreciation and amortization	138.0		131.0
Deferred income taxes	(8.4)		(6.3)
Stock-based compensation expense	75.1		56.6
Excess tax benefit related to exercise of stock options and restricted stock	(48.4)		(44.9)
Net pension expense	9.8		12.4
Net realized gain from the sales of marketable securities	(1.7)		(15.0)
Net amortization of premiums and accretion of discounts on available-for-sale securities	50.3		46.2
Other	(6.7)		11.6
Changes in operating assets and liabilities, net of effects from acquisitions and divestitures of businesses:
Increase in accounts receivable	(185.2)		(106.1)
Increase in other assets	(205.0)		(306.7)
Decrease in accounts payable	(9.7)		(13.0)
(Decrease)/Increase in accrued expenses and other liabilities	(50.7)		4.9
Proceeds from the sale of notes receivable	225.5		0
Operating activities of discontinued operations	(2.5)		(3.3)
Net cash flows provided by operating activities	607.1		473.0
Cash Flows from Investing Activities:
Purchases of corporate and client funds marketable securities	(1,851.1)		(1,231.9)
Proceeds from the sales and maturities of corporate and client funds marketable securities	1,372.4		1,046.1
Net increase in restricted cash and cash equivalents held to satisfy client funds obligations	(13,380.9)		(5,842.1)
Capital expenditures	(80.8)		(68.8)
Additions to intangibles	(84.5)		(71.4)
Acquisitions of businesses, net of cash acquired	(8.1)		0
Proceeds from the sale of property, plant, and equipment and other assets	23.6		0
Dividend received from CDK Global, Inc.	825.0		0
Cash retained by CDK Global, Inc.	(180.0)		0
Investing activities of discontinued operations	(15.4)		(55.7)
Net cash flows used in investing activities	(13,379.8)		(6,223.8)
Cash Flows from Financing Activities:
Net increase in client funds obligations	15,721.5		6,245.5
Payments of debt	(1.2)		(2.1)
Repurchases of common stock	(462.2)		(417.2)
Proceeds from stock purchase plan and exercises of stock options	28.8		102.6
Excess tax benefit related to exercise of stock options and restricted stock	48.4		44.9
Dividends paid	(461.3)		(420.8)
Net repayments of reverse repurchase agreements	0		(245.9)
Net repayments of commercial paper borrowings	(2,173.0)		0
Other	0		(1.0)
Financing activities of discontinued operations	1.6		11.1
Net cash flows provided by financing activities	12,702.6		5,317.1
Effect of exchange rate changes on cash and cash equivalents	(62.7)		1.7
Net change in cash and cash equivalents	(132.8)		(432.0)
Cash and cash equivalents, beginning of period	1,983.6		1,699.1
Cash and cash equivalents, end of period	1,850.8		1,267.1
Cash	0		315.6
Cash and cash equivalents of continuing operations, end of period	$ 1,850.8	[1]	$ 951.5

[1] As of June 30, 2014, $2,015.8 million of short-term marketable securities and $183.8 million of cash and cash equivalents are related to the Company's outstanding commercial paper borrowings (see Note 9).