Statements Of Consolidated Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Mar. 31, 2012		Mar. 31, 2011		Mar. 31, 2012		Mar. 31, 2011
REVENUES:
Revenues, other than interest on funds held for clients and PEO revenues	$ 2,279.0		$ 2,143.5		$ 6,335.8		$ 5,828.2
Interest on funds held for clients	133.3		148.6		373.0		404.4
PEO revenues	510.8	[1]	445.2	[1]	1,319.8	[1]	1,139.8	[1]
TOTAL REVENUES	2,923.1		2,737.3		8,028.6		7,372.4
EXPENSES:
Operating expenses	1,413.9		1,300.3		4,014.3		3,590.5
Systems development and programming costs	145.4		155.8		444.2		432.9
Depreciation and amortization	65.4		64.5		192.3		189.4
TOTAL COSTS OF REVENUES	1,624.7		1,520.6		4,650.8		4,212.8
Selling, general and administrative expenses	622.1		577.3		1,788.8		1,663.0
Interest expense	1.2		1.4		5.4		6.9
TOTAL EXPENSES	2,248.0		2,099.3		6,445.0		5,882.7
Other income, net	(10.5)		(15.0)		(141.0)		(84.3)
EARNINGS BEFORE INCOME TAXES	685.6		653.0		1,724.6		1,574.0
Provision for income taxes	233.2		229.2		594.5		561.6
NET EARNINGS	$ 452.4		$ 423.8		$ 1,130.1		$ 1,012.4
BASIC EARNINGS PER SHARE	$ 0.93		$ 0.85		$ 2.32		$ 2.05
DILUTED EARNINGS PER SHARE	$ 0.92		$ 0.85		$ 2.29		$ 2.03
Basic weighted average shares outstanding	488.5		496.2		487.7		493.2
Diluted weighted average shares outstanding	493.2		501.3		492.7		497.5
Dividends declared per common share	$ 0.3950		$ 0.3600		$ 1.1500		$ 1.0600

[1] Professional Employer Organization ("PEO") revenues are net of direct pass-through costs, primarily consisting of payroll wages and payroll taxes, of $4,586.0 and $4,177.9 for the three months ended March 31, 2012 and 2011, respectively, and $13,331.7 and $11,760.6 for the nine months ended March 31, 2012 and 2011, respectively.