Note 12 - Income Taxes - Federal, State, and Foreign Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Dec. 27, 2014
Domestic	$ (9,563)	$ 1,313	$ 35,264
Foreign	132,837	105,635	96,382
Income before income taxes	123,274	106,948	131,646
Current:
Federal	(3,992)	(6,686)	8,003
State	(648)	2,078	1,275
Foreign	28,695	19,211	28,756
Subtotal	24,055	14,603	38,034
Deferred:
Federal and State	(1,594)	11,330	(1,513)
Foreign	(3,675)	149	(2,975)
Subtotal	(5,269)	11,479	(4,488)
Provision for income taxes	$ 18,786	$ 26,082	$ 33,546