Note 6 - Property and Equipment (Details) - Property and Equipment Summary - USD ($) $ in Thousands		Jan. 03, 2016	Dec. 28, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 485,055	$ 488,303
Accumulated depreciation		(273,566)	(260,956)
	[1]	211,489	227,347
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		16,501	15,862
Building [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		125,568	124,476
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 342,986	$ 347,965

[1] Long-lived assets include tangible assets physically located in foreign countries.