Note 15 - Income Taxes (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Note 15 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, Percent	36.10%	40.80%
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	28.40%	26.50%