Statements Of Consolidated Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash Flows from Operating Activities:
Net earnings	$ 677.7	$ 588.6
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Depreciation and amortization	158.9	158.2
Deferred income taxes	7.2	17.2
Stock-based compensation expense	45.7	36.7
Net pension expense	18.3	20.2
Net realized gain from the sales of marketable securities	(12.2)	(15.4)
Net amortization of premiums and accretion of discounts on available-for-sale securities	27.2	27.1
Impairment losses on available-for-sale securities	5.8
Impairment losses on assets held for sale		8.6
Gain on sale of assets	(66.0)
Gains on sales of buildings		(1.8)
Other	1.2	33.6
Changes in operating assets and liabilities, net of effects from acquisitions and divestitures of businesses:
Decrease in accounts receivable	2.4	73.3
Increase in other assets	(123.1)	(79.4)
Decrease in accounts payable	(16.2)	(58.7)
Increase/(decrease) in accrued expenses and other liabilities	21.0	(160.9)
Net cash flows provided by operating activities	747.9	647.3
Cash Flows from Investing Activities:
Purchases of corporate and client funds marketable securities	(2,233.1)	(2,567.7)
Proceeds from the sales and maturities of corporate and client funds marketable securities	2,031.7	1,559.4
Net decrease/(increase) in restricted cash and cash equivalents held to satisfy client funds obligations	1,997.6	(4,444.5)
Capital expenditures	(66.6)	(80.7)
Additions to intangibles	(51.4)	(35.8)
Acquisitions of businesses, net of cash acquired	(176.3)	(588.8)
Proceeds from the sale of property, plant and equipment and other assets	66.0	13.1
Other	0.2	6.9
Net cash flows provided by (used in) investing activities	1,568.1	(6,138.1)
Cash Flows from Financing Activities:
Net (decrease)/increase in client funds obligations	(1,805.2)	5,444.1
Payments of debt	(1.0)	(4.7)
Repurchases of common stock	(297.9)	(102.1)
Proceeds from stock purchase plan and exercises of stock options	118.2	128.6
Dividends paid	(353.9)	(335.6)
Net cash flows (used in) provided by financing activities	(2,339.8)	5,130.3
Effect of exchange rate changes on cash and cash equivalents	(34.3)	22.9
Net change in cash and cash equivalents	(58.1)	(337.6)
Cash and cash equivalents, beginning of period	1,389.4	1,643.3
Cash and cash equivalents, end of period	$ 1,331.3	$ 1,305.7