Note 6 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands		Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Property and equipment, gross		$ 487,818	$ 485,055
Accumulated depreciation		(283,310)	(273,566)
	[1]	204,508	211,489
Land [Member]
Property and equipment, gross		16,063	16,501
Building [Member]
Property and equipment, gross		121,216	125,568
Equipment [Member]
Property and equipment, gross		$ 350,539	$ 342,986

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