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Stockholders' Equity (Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 02, 2021 | Apr. 03, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance, beginning of period | $ 1,271,055 | $ 1,152,488
Unrealized loss on cash flow hedges, net of tax | (1,003) | (9,064)
Foreign currency translation loss | (16,364) | (12,032)
Balance, ending balance | 1,277,724 | 1,164,201
Foreign exchange contracts |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Realized gain (loss) hedges, net of tax | (520) | (156)
Interest rate swap |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Realized gain (loss) hedges, net of tax | 817 | 591
Defined Benefit Plan Liability |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance, beginning of period | (1,095) | (912)
Balance, ending balance | (1,095) | (912)
Cash Flow Hedges |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance, beginning of period | (4,956) | (2,358)
Unrealized loss on cash flow hedges, pretax | (1,269) | (11,474)
Unrealized loss on cash flow hedges, tax | 266 | 2,410
Balance, ending balance | (5,850) | (13,281)
Cash Flow Hedges | Foreign exchange contracts |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Realized gain (loss) hedges, pretax | (659) | (197)
Realized gain (loss) hedges, tax | 139 | 41
Cash Flow Hedges | Interest rate swap |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Realized gain (loss) hedges, pretax | 1,034 | 748
Realized gain (loss) hedges, tax | (217) | (157)
Foreign Currency Translation Adjustment |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance, beginning of period | 57,546 | 22,639
Foreign currency translation loss, pretax | (16,364) | (12,032)
Foreign currency translation loss, tax | 0 | 0
Balance, ending balance | 41,182 | 10,607
Total Pre-Tax Amount |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance, beginning of period | 51,495 | 19,369
Balance, ending balance | 34,237 | (3,586)
Tax |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance, beginning of period | 1,197 | 619
Balance, ending balance | 1,385 | 2,913
Net-of-Tax Amount |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
Balance, beginning of period | 52,692 | 19,988
Balance, ending balance | $ 35,622 | $ (673)

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