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Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2016
Comprehensive Income [Abstract] |
Schedule of Comprehensive Income (Loss) | The components of other comprehensive income (loss) and the related tax impacts for the years ended December 31, 2016, January 2, 2016 and January 3, 2015 are as follows (in thousands):
| Before-Tax |  | Tax (Expense) |  | Net-of-Tax
| Amount |  | or Benefit |  | Amount
Year Ended January 3, 2015 |  |  |  |  |
Defined Benefit Pension Plans |  |  |  |  |
Actuarial (loss)/gain recognized | $ | (34,547 | ) |  | $ | 12,001 |  |  | $ | (22,546 | )
Amortization of actuarial loss | 2,078 |  |  | (806 | ) |  | 1,272 |
Actuarial prior service cost recognized | 1,140 |  |  | (261 | ) |  | 879 |
Amortization of prior service costs | 23 |  |  | (9 | ) |  | 14 |
Total defined benefit pension plans | (31,306 | ) |  | 10,925 |  |  | (20,381 | )
Natural gas swap derivatives |  |  |  |  |
Loss/(gain) reclassified to net income | (196 | ) |  | 76 |  |  | (120 | )
Gain/(loss) recognized in other comprehensive income (loss) | 11 |  |  | (4 | ) |  | 7 |
Total natural gas derivatives | (185 | ) |  | 72 |  |  | (113 | )
Corn option derivatives |  |  |  |  |
Loss/(gain) reclassified to net income | (3,868 | ) |  | 1,501 |  |  | (2,367 | )
Gain/(loss) recognized in other comprehensive income (loss) | 1,812 |  |  | (704 | ) |  | 1,108 |
Total corn options | (2,056 | ) |  | 797 |  |  | (1,259 | )
Foreign currency translation |  |  |  |  |
Other comprehensive income/(loss) | (119,684 | ) |  | — |  |  | (119,684 | )
Other comprehensive income/(loss) | $ | (153,231 | ) |  | $ | 11,794 |  |  | $ | (141,437 | )
Year Ended January 2, 2016 |  |  |  |  |
Defined Benefit Pension Plans |  |  |  |  |
Actuarial (loss)/gain recognized | $ | (3,822 | ) |  | $ | 1,499 |  |  | $ | (2,323 | )
Amortization of actuarial loss | 5,101 |  |  | (1,986 | ) |  | 3,115 |
Amortization of prior service costs | (67 | ) |  | 36 |  |  | (31 | )
Amortization of curtailment | (1,181 | ) |  | 328 |  |  | (853 | )
Amortization of settlement | 5,291 |  |  | (1,468 | ) |  | 3,823 |
Other | 471 |  |  | — |  |  | 471 |
Total defined benefit pension plans | 5,793 |  |  | (1,591 | ) |  | 4,202 |
Corn option derivatives |  |  |  |  |
Loss/(gain) reclassified to net income | (1,517 | ) |  | 589 |  |  | (928 | )
Gain/(Loss) recognized in other comprehensive income | 4,405 |  |  | (1,710 | ) |  | 2,695 |
Total corn options | 2,888 |  |  | (1,121 | ) |  | 1,767 |
Foreign currency translation | (162,436 | ) |  | — |  |  | (162,436 | )
Other comprehensive income/(loss) | $ | (153,755 | ) |  | $ | (2,712 | ) |  | $ | (156,467 | )
Year Ended December 31, 2016 |  |  |  |  |
Defined Benefit Pension Plans |  |  |  |  |
Actuarial (loss)/gain recognized | $ | (5,257 | ) |  | $ | 1,396 |  |  | $ | (3,861 | )
Amortization of actuarial loss | 4,632 |  |  | (1,786 | ) |  | 2,846 |
Amortization of prior service costs | 36 |  |  | (12 | ) |  | 24 |
Amortization of curtailment | — |  |  | — |  |  | — |
Amortization of settlement | (114 | ) |  | 45 |  |  | (69 | )
Other | 44 |  |  | — |  |  | 44 |
Total defined benefit pension plans | (659 | ) |  | (357 | ) |  | (1,016 | )
Corn option derivatives |  |  |  |  |
Loss/(gain) reclassified to net income | (3,868 | ) |  | 1,501 |  |  | (2,367 | )
Gain/(Loss) recognized in other comprehensive income | 4,889 |  |  | (1,897 | ) |  | 2,992 |
Total corn options | 1,021 |  |  | (396 | ) |  | 625 |
Foreign currency translation | (5,593 | ) |  | — |  |  | (5,593 | )
Other comprehensive income/(loss) | $ | (5,231 | ) |  | $ | (753 | ) |  | $ | (5,984 | )
Reclassification out of Accumulated Other Comprehensive Income |
| Fiscal Year Ended |
| December 31, 2016 | January 2, 2016 | January 3, 2015 | Statement of Operations Classification
Derivative instruments |  |  |  |
Natural gas swap derivatives | $ | — |  | $ | — |  | $ | 196 |  | Cost of sales and operating expenses
Corn option derivatives | 3,868 |  | 1,517 |  | 3,868 |  | Cost of sales and operating expenses
| 3,868 |  | 1,517 |  | 4,064 |  | Total before tax
| (1,501 | ) | (589 | ) | (1,577 | ) | Income taxes
| 2,367 |  | 928 |  | 2,487 |  | Net of tax
Defined benefit pension plans |  |  |  |
Amortization of prior service cost | $ | (36 | ) | $ | 67 |  | $ | (23 | ) | (a)
Amortization of actuarial loss | (4,632 | ) | (5,101 | ) | (2,078 | ) | (a)
Amortization of curtailment | — |  | 1,181 |  | — |  | (a)
Amortization of settlement | 114 |  | (5,291 | ) | — |  | (a)
| (4,554 | ) | (9,144 | ) | (2,101 | ) | Total before tax
| 1,753 |  | 3,090 |  | 815 |  | Income taxes
| (2,801 | ) | (6,054 | ) | (1,286 | ) | Net of tax
Total reclassifications | $ | (434 | ) | $ | (5,126 | ) | $ | 1,201 |  | Net of tax
(a) | These items are included in the computation of net periodic pension cost. See Note 15 Employee Benefit Plans for additional information.
Schedule of Accumulated Other Comprehensive Income (Loss) | The following table presents changes in each component of accumulated comprehensive income (loss) as of December 31, 2016 as follows (in thousands):
|  | Fiscal Year Ended December 31, 2016
|  | Foreign Currency | Derivative | Defined Benefit |
|  | Translation | Instruments | Pension Plans | Total
Accumulated Other Comprehensive Income/(loss) January 2, 2016, attributable to Darling, net of tax |  | $ | (305,213 | ) | $ | 1,843 |  | $ | (32,548 | ) | $ | (335,918 | )
Other comprehensive gain before reclassifications |  | (5,593 | ) | 2,992 |  | (3,817 | ) | (6,418 | )
Amounts reclassified from accumulated other comprehensive income/(loss) |  | — |  | (2,367 | ) | 2,801 |  | 434 |
Net current-period other comprehensive income |  | (5,593 | ) | 625 |  | (1,016 | ) | (5,984 | )
Noncontrolling interest |  | (1,896 | ) | — |  | — |  | (1,896 | )
Accumulated Other Comprehensive Income/(loss) December 31, 2016, attributable to Darling, net of tax |  | $ | (308,910 | ) | $ | 2,468 |  | $ | (33,564 | ) | $ | (340,006 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e526-108580 + Details
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