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Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity (Components) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 28, 2020 | Mar. 30, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | $ 584,368 | $ 563,259
Other comprehensive income (loss) before reclassifications | (3,281) | 550
Tax (expense) or benefit | 632 | 100
Reclassification of stranded tax impact |  | 0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax | (108) | (352)
Ending balance | 551,655 | 545,251
Foreign Currency Translation Adjustment |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | (2,912) | (2,973)
Other comprehensive income (loss) before reclassifications | (600) | 963
Tax (expense) or benefit | 0 | 0
Reclassification of stranded tax impact |  | 0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax | 0 | 0
Ending balance | (3,512) | (2,010)
Unrealized Gains (Losses) on Debt Securities |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | 95 | (156)
Other comprehensive income (loss) before reclassifications | 75 | 114
Tax (expense) or benefit | (16) | (24)
Reclassification of stranded tax impact |  | 0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax | 0 | 0
Ending balance | 154 | (66)
Pension and Post-retirement Liabilities |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | (5,762) | (2,929)
Other comprehensive income (loss) before reclassifications | 0 | 0
Tax (expense) or benefit | 0 | 0
Reclassification of stranded tax impact |  | (1,185)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax | 0 | 0
Ending balance | (5,762) | (4,114)
Derivative Financial Instruments |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | 506 | 2,459
Other comprehensive income (loss) before reclassifications | (2,756) | (527)
Tax (expense) or benefit | 648 | 124
Reclassification of stranded tax impact |  | 446
Amounts reclassified from accumulated other comprehensive income (loss), net of tax | (108) | (352)
Ending balance | (1,710) | 2,150
Accumulated Other Comprehensive Income (Loss) |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | (8,073) | (3,599)
Reclassification of stranded tax impact |  | (739)
Ending balance | $ (10,830) | $ (4,040)

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