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Other Comprehensive Income (Schedule of AOCI) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 28, 2020 | Mar. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax | $ (862) | $ (1,155)
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Accumulated Other Comprehensive Income/(loss) December 28, 2019, attributable to Darling, net of tax | (321,847) |
Other comprehensive loss before reclassifications | (63,323) |
Amounts reclassified from accumulated other comprehensive loss | 590 |
Net current-period other comprehensive income/(loss) | (62,733) |
Noncontrolling interest | (89) |
Accumulated Other Comprehensive loss March 28, 2020, attributable to Darling, net of tax | (384,491) |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax | (214) | (297)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | (648) | (858)
Foreign currency translation | (65,887) | (5,393)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax | (651) | (507)
Foreign currency translation | (65,236) | (4,886)
Other Comprehensive income (loss) | (63,682) | (7,172)
Other Comprehensive Income (Loss), Tax | (949) | (1,207)
Total other comprehensive income/(loss), net of tax | (62,733) | (5,965)
Accumulated Other Comprehensive Loss |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Foreign currency translation | (65,147) | (6,645)
Foreign Currency Translation [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Accumulated Other Comprehensive Income/(loss) December 28, 2019, attributable to Darling, net of tax | (282,338) |
Other comprehensive loss before reclassifications | (65,236) |
Amounts reclassified from accumulated other comprehensive loss | 0 |
Net current-period other comprehensive income/(loss) | (65,236) |
Noncontrolling interest | (89) |
Accumulated Other Comprehensive loss March 28, 2020, attributable to Darling, net of tax | (347,485) |
Derivative Instruments [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Accumulated Other Comprehensive Income/(loss) December 28, 2019, attributable to Darling, net of tax | (5,505) |
Other comprehensive loss before reclassifications | 1,913 |
Amounts reclassified from accumulated other comprehensive loss | (58) |
Net current-period other comprehensive income/(loss) | 1,855 |
Noncontrolling interest | 0 |
Accumulated Other Comprehensive loss March 28, 2020, attributable to Darling, net of tax | (3,650) |
Defined Benefit Pension Plans [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Accumulated Other Comprehensive Income/(loss) December 28, 2019, attributable to Darling, net of tax | (34,004) |
Other comprehensive loss before reclassifications | 0 |
Amounts reclassified from accumulated other comprehensive loss | 648 |
Net current-period other comprehensive income/(loss) | 648 |
Noncontrolling interest | 0 |
Accumulated Other Comprehensive loss March 28, 2020, attributable to Darling, net of tax | (33,356) |
Corn Option [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax | (300) | 0
Loss (gain) reclassified to net income | (75) | 0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax | (225) | 0
Gain (loss) activity recognized in other comprehensive loss | (119) | 0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax | (30) | 0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax | (89) | 0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax | 181 | 0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax | 45 | 0
Derivative adjustments | 136 | 0
Corn Option [Member] | Accumulated Other Comprehensive Loss |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Derivative adjustments | 136 |
Heating Oil Swaps And Options [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Gain (loss) activity recognized in other comprehensive loss | 14,494 | 0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax | 3,624 | 0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax | 10,870 | 0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax | 14,494 | 0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax | 3,624 | 0
Derivative adjustments | 10,870 | 0
Foreign Exchange Contract [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax | 412 | 0
Loss (gain) reclassified to net income | 129 | 0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax | 283 | 0
Gain (loss) activity recognized in other comprehensive loss | (12,920) | (2,934)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax | (4,052) | (997)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax | (8,868) | (1,937)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax | (13,332) | (2,934)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax | (4,181) | (997)
Derivative adjustments | (9,151) | (1,937)
Foreign Exchange Contract [Member] | Accumulated Other Comprehensive Loss |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Derivative adjustments | $ (9,151) | $ (1,937)

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