Note 12 - Pensions (Details Textual) |
9 Months Ended | 12 Months Ended |
|---|---|---|
Oct. 01, 2016 |
Jan. 02, 2016 |
|
| United States Pension Plan of US Entity [Member] | ||
| Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets | 3.90% | |
| Foreign Pension Plan [Member] | ||
| Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets | 4.95% | 5.39% |