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Note 17 - Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 30, 2018
Notes Tables |
Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] |
|  | FISCAL YEAR |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Change in benefit obligation |  |  |  |  |  |  |  |
Benefit obligation, beginning of year Close File |  | $ | 320,548 |  |  | $ | 277,813 |
Service cost |  |  | 1,112 |  |  |  | 1,628 |
Interest cost |  |  | 5,467 |  |  |  | 5,559 |
Benefits and expenses paid |  |  | (11,850 | ) |  |  | (10,267 | )
Business combinations |  |  | 36,903 |  |  |  | 0 |
Actuarial loss (gain) |  |  | (53,753 | ) |  |  | 13,351 |
Member contributions |  |  | 233 |  |  |  | 262 |
Currency translation adjustment |  |  | (13,152 | ) |  |  | 32,202 |
Benefit obligation, end of year |  | $ | 285,508 |  |  | $ | 320,548 |
Change in plan assets |  |  |  |  |  |  |  |
Plan assets, beginning of year |  | $ | 307,166 |  |  | $ | 258,365 |
Actual return on assets |  |  | (37,495 | ) |  |  | 25,691 |
Company contributions |  |  | 4,095 |  |  |  | 2,812 |
Benefits paid |  |  | (11,850 | ) |  |  | (10,267 | )
Currency translation adjustment |  |  | (12,603 | ) |  |  | 30,565 |
Plan assets, end of year |  | $ | 249,313 |  |  | $ | 307,166 |
Reconciliation to balance sheet |  |  |  |  |  |  |  |
Funded status benefit asset/(liability) |  | $ | (36,195 | ) |  | $ | (13,382 | )
Net amount recognized |  | $ | (36,195 | ) |  | $ | (13,382 | )
Amounts recognized in accumulated other comprehensive income (after tax) |  |  |  |  |  |  |  |
Unrecognized actuarial loss |  | $ | 37,141 |  |  | $ | 48,443 |
Unamortized prior service costs |  |  | (437 | ) |  |  | (471 | )
Total amount recognized |  | $ | 36,704 |  |  | $ | 47,972 |
Accumulated Benefit Obligation |  | $ | 284,581 |  |  | $ | 313,257 |
|  | END OF FISCAL YEAR |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
UK Plan |  |  |  |  |  |  |  |
Projected Benefit Obligation |  | $ | 157,351 |  |  | $ | 190,992 |
Accumulated Benefit Obligation |  |  | 157,351 |  |  |  | 190,992 |
Plan Assets |  |  | 158,990 |  |  |  | 179,322 |
Dutch Plan |  |  |  |  |  |  |  |
Projected Benefit Obligation |  | $ | 91,837 |  |  | $ | 129,554 |
Accumulated Benefit Obligation |  |  | 90,910 |  |  |  | 122,265 |
Plan Assets |  |  | 90,323 |  |  |  | 127,844 |
Nora Plan |  |  |  |  |  |  |  |
Projected Benefit Obligation |  | $ | 36,320 |  |  |  | 0 |
Accumulated Benefit Obligation |  |  | 36,320 |  |  |  | 0 |
Plan Assets |  |  | 0 |  |  |  | 0 |
|  | FISCAL YEAR |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Change in benefit obligation |  |  |  |  |  |  |  |
Benefit obligation, beginning of year |  | $ | 31,919 |  |  | $ | 29,700 |
Interest cost |  |  | 1,082 |  |  |  | 1,256 |
Benefits paid |  |  | (2,030 | ) |  |  | (1,943 | )
Actuarial loss (gain) |  |  | (1,829 | ) |  |  | 2,906 |
Benefit obligation, end of year |  | $ | 29,142 |  |  | $ | 31,919 |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Current liabilities |  | $ | 2,030 |  |  | $ | 2,030 |
Non-current liabilities |  |  | 27,112 |  |  |  | 29,889 |
Total benefit obligation |  | $ | 29,142 |  |  | $ | 31,919 |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Unrecognized actuarial loss |  | $ | 6,906 |  |  | $ | 8,582 |
Schedule of Net Benefit Costs [Table Text Block] |
|  | FISCAL YEAR |
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (in thousands) |
Components of net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 1,112 |  |  | $ | 1,628 |  |  | $ | 1,032 |
Interest cost |  |  | 5,467 |  |  |  | 5,559 |  |  |  | 6,580 |
Expected return on plan assets |  |  | (6,234 | ) |  |  | (6,496 | ) |  |  | (7,553 | )
Amortization of prior service cost |  |  | (27 | ) |  |  | (34 | ) |  |  | 33 |
Amortization of net actuarial (gains)/losses |  |  | 1,394 |  |  |  | 1,287 |  |  |  | 1,076 |
Net periodic benefit cost |  | $ | 1,712 |  |  | $ | 1,944 |  |  | $ | 1,168 |
Schedule of Assumptions Used [Table Text Block] |
|  | FISCAL YEAR |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Weighted average assumptions used to determine net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 1.9 | % |  |  | 2.0 | % |  |  | 2.7 | %
Expected return on plan assets |  |  | 1.8 | % |  |  | 2.3 | % |  |  | 3.1 | %
Rate of compensation |  |  | 1.75 | % |  |  | 1.75 | % |  |  | 2.0 | %
Weighted average assumptions used to determine benefit obligations |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 2.5 | % |  |  | 2.2 | % |  |  | 2.3 | %
Rate of compensation |  |  | 1.75 | % |  |  | 1.75 | % |  |  | 2.0 | %
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (in thousands, except for assumptions) |
Assumptions used to determine net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 3.50 | % |  |  | 3.85 | % |  |  | 4.25 | %
Rate of compensation |  |  | - |  |  |  | - |  |  |  | 4.0 | %
Assumptions used to determine benefit obligations |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 4.1 | % |  |  | 3.5 | % |  |  | 3.85 | %
Rate of compensation |  |  | - |  |  |  | - |  |  |  | 4.0 | %
Components of net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 0 |  |  | $ | 0 |  |  | $ | 440 |
Interest cost |  |  | 1,082 |  |  |  | 1,256 |  |  |  | 1,269 |
Amortizations |  |  | 464 |  |  |  | 364 |  |  |  | 811 |
Net periodic benefit cost |  | $ | 1,546 |  |  | $ | 1,620 |  |  | $ | 2,520 |
Schedule of Allocation of Plan Assets [Table Text Block] |
|  | FISCAL YEAR |
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  | Target Allocation |  |  | Percentage of Plan Assets at Year End |
Asset Category: |  |  |  |  |  |  |  |  |  |  |
Equity Securities |  | 15% | - | 20% |  |  | 16% |  |  | 16% |
Debt and Debt Securities |  | 35% | - | 45% |  |  | 35% |  |  | 32% |
Other |  | 40% | - | 50% |  |  | 49% |  |  | 52% |
|  |  | 100% |  |  |  | 100% |  |  | 100% |
|  | P ension Plan Assets by Category as of December 3 0 , 201 8 |
|  | Dutch Plan |  |  | UK Plan |  |  | Total |
|  | (in thousands) |
Level 1 |  | $ | 0 |  |  | $ | 79,146 |  |  | $ | 79,146 |
Level 2 |  |  | 0 |  |  |  | 60,913 |  |  |  | 60,913 |
Level 3 |  |  | 90,323 |  |  |  | 18,931 |  |  |  | 109,254 |
Total |  | $ | 90,323 |  |  | $ | 158,990 |  |  | $ | 249,313 |
|  | Pension Plan Assets by Category as of December 31, 2017 |
|  | Dutch Plan |  |  | UK Plan |  |  | Total |
|  |  |  |  |  | (in thousands) |  |  |  |  |
Level 1 |  | $ | 0 |  |  | $ | 87,521 |  |  | $ | 87,521 |
Level 2 |  |  | 0 |  |  |  | 68,668 |  |  |  | 68,668 |
Level 3 |  |  | 127,844 |  |  |  | 23,133 |  |  |  | 150,977 |
Total |  | $ | 127,844 |  |  | $ | 179,322 |  |  | $ | 307,166 |
|  | 201 8 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  |  |  |  |  | (in thousands) |  |  |  |  |
Asset Class |  |  |  |  |  |  |  |  |  |  |  |
Equity Securities |  | $ | 39,392 |  |  | $ | 0 |  |  | $ | 0 |
Debt and Debt Securities |  |  | 33,134 |  |  |  | 38,619 |  |  |  | 16,012 |
Other (including cash) |  |  | 6,620 |  |  |  | 22,294 |  |  |  | 93,242 |
|  | $ | 79,146 |  |  | $ | 60,913 |  |  | $ | 109,254 |
|  | 201 7 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  |  |  |  |  | (in thousands) |  |  |  |  |
Asset Class |  |  |  |  |  |  |  |  |  |  |  |
Equity Securities |  | $ | 48,285 |  |  | $ | 0 |  |  | $ | 0 |
Debt and Debt Securities |  |  | 36,780 |  |  |  | 41,381 |  |  |  | 19,883 |
Other (including cash) |  |  | 2,456 |  |  |  | 27,287 |  |  |  | 131,094 |
|  | $ | 87,521 |  |  | $ | 68,668 |  |  | $ | 150,977 |
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] |
|  | 201 8 |  |  | 201 7 |
|  | (in thousands) |  |  | (in thousands) |
Balance of level 3 assets, beginning of year |  | $ | 150,977 |  |  | $ | 127,953 |
Interest cost |  |  | 1,682 |  |  |  | 2,633 |
Benefits paid |  |  | (4,090 | ) |  |  | (3,728 | )
Assets transferred in to (out of) Level 3 |  |  | 696 |  |  |  | (2,089 | )
Actuarial gain (loss) |  |  | (35,202 | ) |  |  | 8,753 |
Translation adjustment |  |  | (4,809 | ) |  |  | 17,455 |
Ending Balance of level 3 assets |  | $ | 109,254 |  |  | $ | 150,977 |
Schedule of Expected Benefit Payments [Table Text Block] |
FISCAL YEAR |  |  | EXPECTED PAYMENTS |
|  |  | (in thousands) |
2019 |  |  | $ | 9,762 |
2020 |  |  |  | 9,989 |
2021 |  |  |  | 10,251 |
2022 |  |  |  | 10,356 |
2023 |  |  |  | 10,635 |
2024-2028 |  |  |  | 55,231 |
FISCAL YEAR |  |  | EXPECTED PAYMENTS |
|  |  | (in thousands) |
2019 |  |  | $ 2,030 |
2020 |  |  | 2,030 |
2021 |  |  | 2,030 |
2022 |  |  | 2,030 |
2023 |  |  | 2,030 |
2024-2028 |  |  | 9,791 |

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