Note 14 - Effective Income Tax Reconciliation and Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
MEXICO
Mexico manufacturing operations restructuring	$ 4,841
Tax expense at statutory rate of 35%	37,432	$ 46,076	$ 43,481
State and local taxes, net of federal tax benefit	1,907	1,186	1,076
Foreign income tax rate differential	$ (19,853)	$ (14,981)	(15,497)
Capital loss valuation allowance			6,085
Tax on unremitted earnings			$ (349)
Nondeductible professional fees	$ 1,011
Other, net	(856)	$ (53)	$ 655
Provision for income taxes	$ 24,482	$ 32,228	$ 35,451