Note 15 - Employee Benefit Plans (Details) - Net Periodic Benefit Cost - Foreign Defined Benefit Plan [Member] - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Components of net periodic benefit cost
Service cost	$ 1,061	$ 705	$ 804
Interest cost	8,384	10,563	9,610
Expected return on plan assets	(8,764)	(11,904)	(10,150)
Amortization of prior service cost	33	19	89
Recognized net actuarial (gains)/losses	1,359	648	684
Net periodic benefit cost	$ 2,073	$ 31	$ 1,037