Consolidated Statements of Earnings (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Revenue from services	$ 1,314.8	$ 1,354.8
Cost of services	1,097.9	1,131.1
Gross profit	216.9	223.7
Selling, general and administrative expenses	209.8	209.0
Earnings from operations	7.1	14.7
Other expense, net	1.0	0.6
Earnings from continuing operations before taxes	6.1	14.1
Income tax (benefit) expense	(6.8)	4.9
Earnings from continuing operations	12.9	9.2
Earnings from discontinued operations, net of tax		0.4
Net earnings	$ 12.9	$ 9.6
Basic earnings per share:
Earnings from continuing operations (in Dollars per share)	$ 0.34	$ 0.24
Earnings from discontinued operations (in Dollars per share)		$ 0.01
Net earnings (in Dollars per share)	$ 0.34	$ 0.26
Diluted earnings per share:
Earnings from continuing operations (in Dollars per share)	$ 0.34	$ 0.24
Earnings from discontinued operations (in Dollars per share)		$ 0.01
Net earnings (in Dollars per share)	$ 0.34	$ 0.26
Dividends per share (in Dollars per share)	$ 0.05	$ 0.05
Average shares outstanding (millions):
Basic (in Shares)	37.2	36.9
Diluted (in Shares)	37.2	36.9