Note 15 - Income Taxes (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Note 15 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, Percent	35.30%	39.30%
Unrecognized Tax Benefits, Period Increase (Decrease) (in Dollars)		$ (0.5)
United States [Member]
Note 15 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, Percent	41.70%	41.30%
Canada [Member]
Note 15 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, Percent	27.70%	28.20%