Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 30, 2012		Jan. 01, 2012		Jan. 02, 2011
Revenue from services	$ 5,450.5		$ 5,551.0		$ 4,950.3
Cost of services	4,553.9		4,667.7		4,163.4
Gross profit	896.6		883.3		786.9
Selling, general and administrative expenses	821.2		825.6		746.8
Asset impairments	3.1				2.0
Earnings from operations	72.3		57.7		38.1
Other expense, net	3.5		0.1		5.4
Earnings from continuing operations before taxes	68.8		57.6		32.7
Income tax expense (benefit)	19.1		(7.3)		6.6
Earnings from continuing operations	49.7		64.9		26.1
Earnings (loss) from discontinued operations, net of tax	0.4		(1.2)
Net earnings	$ 50.1		$ 63.7		$ 26.1
Basic earnings (loss) per share
Earnings from continuing operations (in Dollars per share)	$ 1.31	[1]	$ 1.72	[1]	$ 0.71
Earnings (loss) from discontinued operations (in Dollars per share)	$ 0.01	[1]	$ (0.03)	[1]
Net earnings (in Dollars per share)	$ 1.32	[1]	$ 1.69	[1]	$ 0.71
Diluted earnings (loss) per share
Earnings from continuing operations (in Dollars per share)	$ 1.31	[1]	$ 1.72	[1]	$ 0.71
Earnings (loss) from discontinued operations (in Dollars per share)	$ 0.01	[1]	$ (0.03)	[1]
Net earnings (in Dollars per share)	$ 1.32	[1]	$ 1.69	[1]	$ 0.71
Dividends per share (in Dollars per share)	$ 0.20		$ 0.10
Average shares outstanding (millions):
Basic (in Shares)	37.0		36.8		36.1
Diluted (in Shares)	37.0		36.8		36.1

[1] Earnings (loss) per share amounts for each quarter are required to be computed independently and may not equal the amounts computed for the total year.