Note 20 - Selected Quarterly Financial Data (unaudited) (Detail) - Selected Quarterly Financial Data (unaudited) (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 (in Dollars)	$ 5,450.5		$ 5,551.0
Gross profit (in Dollars)	896.6		883.3		786.9
SG&A expenses (in Dollars)	821.2		825.6		746.8
Restructuring charges (credits) included in SG&A (in Dollars)	(0.9)		2.8		7.2
Asset impairments (in Dollars)	3.1				2.0
Earnings from continuing operations (in Dollars)	49.7		64.9		26.1
Earnings (loss) from discontinued operations, net of tax (in Dollars)	0.4		(1.2)
Net earnings (in Dollars)	50.1		63.7		26.1
Basic earnings per share (1)
Earnings from continuing operations	$ 1.31	[1]	$ 1.72	[1]	$ 0.71
Earnings (loss) from discontinued operations	$ 0.01	[1]	$ (0.03)	[1]
Net earnings	$ 1.32	[1]	$ 1.69	[1]	$ 0.71
Diluted earnings per share (1)
Earnings from continuing operations	$ 1.31	[1]	$ 1.72	[1]	$ 0.71
Earnings (loss) from discontinued operations	$ 0.01	[1]	$ (0.03)	[1]
Net earnings	$ 1.32	[1]	$ 1.69	[1]	$ 0.71
Dividends per share	$ 0.20		$ 0.10
First Quarter [Member]
Revenue from services (in Dollars)	1,354.8		1,339.1
Gross profit (in Dollars)	223.7		211.2
SG&A expenses (in Dollars)	209.0		209.6
Restructuring charges (credits) included in SG&A (in Dollars)			4.0
Earnings from continuing operations (in Dollars)	9.2		1.1
Earnings (loss) from discontinued operations, net of tax (in Dollars)	0.4
Net earnings (in Dollars)	9.6		1.1
Basic earnings per share (1)
Earnings from continuing operations	$ 0.24	[1]	$ 0.03	[1]
Earnings (loss) from discontinued operations	$ 0.01	[1]		[1]
Net earnings	$ 0.26	[1]	$ 0.03	[1]
Diluted earnings per share (1)
Earnings from continuing operations	$ 0.24	[1]	$ 0.03	[1]
Earnings (loss) from discontinued operations	$ 0.01	[1]		[1]
Net earnings	$ 0.26	[1]	$ 0.03	[1]
Dividends per share	$ 0.05
Second Quarter [Member]
Revenue from services (in Dollars)	1,366.1		1,405.8
Gross profit (in Dollars)	223.2		222.1
SG&A expenses (in Dollars)	199.4		200.8
Restructuring charges (credits) included in SG&A (in Dollars)	(2.2)		(0.6)
Earnings from continuing operations (in Dollars)	15.0		20.0
Earnings (loss) from discontinued operations, net of tax (in Dollars)			(1.2)
Net earnings (in Dollars)	15.0		18.8
Basic earnings per share (1)
Earnings from continuing operations	$ 0.40	[1]	$ 0.53	[1]
Earnings (loss) from discontinued operations		[1]	$ (0.03)	[1]
Net earnings	$ 0.40	[1]	$ 0.50	[1]
Diluted earnings per share (1)
Earnings from continuing operations	$ 0.40	[1]	$ 0.53	[1]
Earnings (loss) from discontinued operations		[1]	$ (0.03)	[1]
Net earnings	$ 0.40	[1]	$ 0.50	[1]
Dividends per share	$ 0.05
Third Quarter [Member]
Revenue from services (in Dollars)	1,354.2		1,409.8
Gross profit (in Dollars)	227.5		225.7
SG&A expenses (in Dollars)	203.5		203.6
Restructuring charges (credits) included in SG&A (in Dollars)			(0.6)
Earnings from continuing operations (in Dollars)	16.6		19.7
Net earnings (in Dollars)	16.6		19.7
Basic earnings per share (1)
Earnings from continuing operations	$ 0.43	[1]	$ 0.52	[1]
Earnings (loss) from discontinued operations		[1]		[1]
Net earnings	$ 0.43	[1]	$ 0.52	[1]
Diluted earnings per share (1)
Earnings from continuing operations	$ 0.43	[1]	$ 0.52	[1]
Earnings (loss) from discontinued operations		[1]		[1]
Net earnings	$ 0.43	[1]	$ 0.52	[1]
Dividends per share	$ 0.05		$ 0.05
Fourth Quarter [Member]
Revenue from services (in Dollars)	1,375.4		1,396.3
Gross profit (in Dollars)	222.2		224.3
SG&A expenses (in Dollars)	209.3		211.6
Restructuring charges (credits) included in SG&A (in Dollars)	1.3
Asset impairments (in Dollars)	3.1
Earnings from continuing operations (in Dollars)	8.9		24.1
Net earnings (in Dollars)	$ 8.9		$ 24.1
Basic earnings per share (1)
Earnings from continuing operations	$ 0.23	[1]	$ 0.64	[1]
Earnings (loss) from discontinued operations		[1]		[1]
Net earnings	$ 0.23	[1]	$ 0.64	[1]
Diluted earnings per share (1)
Earnings from continuing operations	$ 0.23	[1]	$ 0.64	[1]
Earnings (loss) from discontinued operations		[1]		[1]
Net earnings	$ 0.23	[1]	$ 0.64	[1]
Dividends per share	$ 0.05		$ 0.05

[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.