Consolidated Statements Of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Consolidated Statements of Operations (Unaudited) [Abstract]
Revenues from services	$ 4,768.9	[1]	$ 5,096.4	[1]
Cost of services	3,978.8		4,249.0
Gross profit	790.1		847.4
Selling and administrative expenses	735.7		753.6
Operating profit	54.4		93.8
Interest and other expenses	11.5		11.8
Earnings before income taxes	42.9		82.0
Provision for income taxes	19.0		41.8
Net earnings	$ 23.9		$ 40.2
Net earnings per share - basic (in dollars per share)	$ 0.31		$ 0.50
Net earnings per share - diluted (in dollars per share)	$ 0.31		$ 0.50
Weighted average shares - basic (in shares)	77.1		80.2
Weighted average shares - diluted (in shares)	78.2		80.9

[1] Our consolidated revenues from services include fees received from our franchise offices of $5.3 and $5.4 for the three months ended March 31, 2013 and 2012, respectively. These fees are primarily based on revenues generated by the franchise offices, which were $234.7 and $253.9 for the three months ended March 31, 2013 and 2012, respectively.