Statements Of Consolidated Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2010
REVENUES:
Revenues, other than interest on funds held for clients and PEO revenues	$ 8,411.7		$ 7,805.5		$ 7,077.7
Interest on funds held for clients	493.3		540.1		542.8
PEO revenues	1,760.2	[1]	1,533.9	[1]	1,307.2	[1]
TOTAL REVENUES	10,665.2		9,879.5		8,927.7
EXPENSES:
Operating expenses	5,380.1		4,900.9		4,277.2
Systems development and programming costs	599.9		577.2		513.9
Depreciation and amortization	260.0		253.4		238.6
TOTAL COSTS OF REVENUES	6,240.0		5,731.5		5,029.7
Selling, general and administrative expenses	2,466.2		2,323.3		2,127.4
Interest expense	7.7		8.6		8.6
TOTAL EXPENSES	8,713.9		8,063.4		7,165.7
Other income, net	(170.8)		(116.6)		(101.2)
EARNINGS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	2,122.1		1,932.7		1,863.2
Provision for income taxes	733.6		678.5		655.9
NET EARNINGS FROM CONTINUING OPERATIONS	1,388.5		1,254.2		1,207.3
Earnings from discontinued operations, net of provision for income taxes of $7.0 for the fiscal year ended June 30, 2010					4.1
NET EARNINGS	$ 1,388.5		$ 1,254.2		$ 1,211.4
Basic earnings per share from continuing operations	$ 2.85		$ 2.54		$ 2.41
Basic earnings per share from discontinued operations					$ 0.01
BASIC EARNINGS PER SHARE	$ 2.85		$ 2.54		$ 2.42
Diluted earnings per share from continuing operations	$ 2.82		$ 2.52		$ 2.40
Diluted earnings per share from discontinued operations					$ 0.01
DILUTED EARNINGS PER SHARE	$ 2.82		$ 2.52		$ 2.40
Basic weighted average shares outstanding	487.3		493.5		500.5
Diluted weighted average shares outstanding	492.2		498.3		503.7

[1] Professional Employer Organization ("PEO") revenues are net of direct pass-through costs, primarily consisting of payroll wages and payroll taxes, of $17,792.2, $15,765.3, and $13,318.7, respectively.