Note 9 - Income Taxes (Details)	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	22.10%	24.70%	23.60%	28.50%