Note 11 - Earnings Per Share (Detail) - Common Stock Reconciliation of Basic and Diluted Earnings Per Share (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 30, 2012		Jan. 01, 2012		Jan. 02, 2011
Earnings from continuing operations	$ 49.7		$ 64.9		$ 26.1
Less: Earnings allocated to participating securities	(1.3)		(1.5)		(0.3)
Earnings from continuing operations available to common shareholders	48.4		63.4		25.8
Earnings (loss) from discontinued operations	0.4		(1.2)
Earnings (loss) from discontinued operations available to common shareholders	0.4		(1.2)
Net earnings	50.1		63.7		26.1
Less: Earnings allocated to participating securities	(1.3)		(1.5)		(0.3)
Net earnings available to common shareholders	$ 48.8		$ 62.2		$ 25.8
Basic earnings (loss) per share on common stock:
Earnings from continuing operations (in Dollars per share)	$ 1.31	[1]	$ 1.72	[1]	$ 0.71
Earning (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 on common stock:
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
Average common 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.