Note 15 - Income Taxes (Detail)	3 Months Ended
	Mar. 30, 2013	Mar. 30, 2012
Effective Income Tax Rate, Continuing Operations	40.20%	41.50%
United States [Member]
Effective Income Tax Rate, Continuing Operations	42.60%	42.30%
Canada [Member]
Effective Income Tax Rate, Continuing Operations	30.10%	21.40%