Note 10 - Income Taxes - Federal, State, and Foreign Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Domestic	$ (20,496)	$ (9,563)	$ 1,313
Foreign	224,533	132,837	105,635
Income before income taxes	204,037	123,274	106,948
Current:
Federal	34,060	(3,992)	(6,686)
State	450	(648)	2,078
Foreign	32,945	28,695	19,211
Subtotal	67,455	24,055	14,603
Deferred:
Federal and State	16,562	(1,594)	11,330
Foreign	501	(3,675)	149
Subtotal	17,063	(5,269)	11,479
Provision for income taxes	$ 84,518	$ 18,786	$ 26,082