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Accumulated Other Comprehensive Loss - Effects on Net Income of Significant Amounts Reclassified from Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 29, 2020 | Mar. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Net sales | $ 1,303,296 | $ 1,351,705
Cost of sales | (1,036,706) | (1,081,584)
Income before income taxes | 106,479 | 95,462
Provision for income taxes | (26,756) | (22,624)
Net income | 80,236 | 73,768
Reclassification out of Accumulated Other Comprehensive Income |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Net sales | (1,138) | 317
Cost of sales | (252) | 147
Net income | (6,648) | (7,317)
Reclassification out of Accumulated Other Comprehensive Income | Cash Flow Hedges |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Income before income taxes | (1,390) | 464
Provision for income taxes | 325 | (117)
Net income | (1,065) | 347
Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit Pension Items |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Income before income taxes | (7,484) | (10,254)
Provision for income taxes | 1,901 | 2,590
Net income | (5,583) | (7,664)
Reclassification out of Accumulated Other Comprehensive Income | Effect of settlement loss |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Non-operating pension costs | (623) | (1,322)
Reclassification out of Accumulated Other Comprehensive Income | Amortization of defined benefit pension items |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Non-operating pension costs | (6,861) | (8,932)
Reclassification out of Accumulated Other Comprehensive Income | Foreign exchange contracts | Cash Flow Hedges |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Net sales | (1,138) | 317
Cost of sales | 827 | (288)
Reclassification out of Accumulated Other Comprehensive Income | Commodity contracts | Cash Flow Hedges |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Net sales | 0 | 0
Cost of sales | $ (1,079) | $ 435

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