Note 12 - Weighted Average Assumptions (Details)	12 Months Ended
	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
United States Pension Plan of US Entity [Member]
Discount rate	3.90%	4.80%	3.90%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets	6.80%	6.80%	6.80%
Compensation increase rate
Measurement dates	9/30/15	12/31/14	12/31/13
Discount rate	3.90%	3.90%	4.80%
Compensation increase rate
Foreign Pension Plan [Member]
Discount rate	3.70%	3.70%	4.50%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets	5.10%	4.90%	4.80%
Compensation increase rate	5.30%	3.80%	3.60%
Measurement dates	12/31/15	12/31/14	12/31/13
Discount rate	3.80%	3.70%	4.50%
Compensation increase rate	6.20%	5.30%	3.80%