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Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Before-Tax Amount |  |  |
Actuarial (loss)/gain recognized | $ (5,257) | $ (3,822) | $ (34,547)
Amortization of actuarial loss | 4,632 | 5,101 | 2,078
Actuarial prior service cost recognized |  |  | 1,140
Amortization of curtailment | 0 | (1,181) |
Amortization of prior service costs | 36 | (67) | 23
Amortization of settlement | (114) | 5,291 |
Other | 44 | 471 |
Total defined benefit pension plans | (659) | 5,793 | (31,306)
Tax (Expense) or Benefit |  |  |
Actuarial (loss)/gain recognized | 1,396 | 1,499 | 12,001
Amortization of actuarial loss | (1,786) | (1,986) | (806)
Actuarial prior service cost recognized |  |  | (261)
Amortization of curtailment | 0 | 328 |
Amortization of prior service costs | (12) | 36 | (9)
Amortization of settlement | 45 | (1,468) |
Other | 0 | 0 |
Total defined benefit pension plans | (357) | (1,591) | 10,925
Net-of-Tax Amount |  |  |
Actuarial (loss)/gain recognized | (3,861) | (2,323) | (22,546)
Amortization of actuarial loss | 2,846 | 3,115 | 1,272
Amortization of prior service costs | 24 | (31) | 14
Actuarial prior service cost recognized | 0 | 0 | 879
Amortization of curtailment | 0 | (853) |
Amortization of settlement | (69) | 3,823 |
Other | 44 | 471 |
Total defined benefit pension plans | (1,016) | 4,202 | (20,381)
Before-Tax Amount |  |  |
Gain/(loss) recognized in other comprehensive income (loss) | 4,900 | 4,400 |
Tax (Expense) or Benefit |  |  |
Gain/(loss) recognized in other comprehensive income (loss) | (1,900) | (1,700) |
Net-of-Tax Amount |  |  |
Other comprehensive income/(loss) | (5,231) | (153,755) | (153,231)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent | (753) | (2,712) | 11,794
Total other comprehensive income, net of tax | (5,984) | (156,467) | (141,437)
Foreign currency translation adjustments | (5,593) | (162,436) | (119,684)
Natural Gas Swap [Member] |  |  |
Before-Tax Amount |  |  |
Loss/(gain) reclassified to net income |  |  | (196)
Gain/(loss) recognized in other comprehensive income (loss) |  |  | 11
Total natural gas derivatives |  |  | (185)
Tax (Expense) or Benefit |  |  |
Loss/(gain) reclassified to net income |  |  | 76
Gain/(loss) recognized in other comprehensive income (loss) |  |  | (4)
Total natural gas derivatives |  |  | 72
Net-of-Tax Amount |  |  |
Loss/(gain) reclassified to net income |  |  | (120)
Gain/(loss) recognized in other comprehensive income (loss) |  |  | 7
Total natural gas derivatives |  |  | (113)
Interest Rate Swap [Member] |  |  |
Before-Tax Amount |  |  |
Loss/(gain) reclassified to net income |  |  | (119,684)
Tax (Expense) or Benefit |  |  |
Loss/(gain) reclassified to net income |  |  | 0
Net-of-Tax Amount |  |  |
Loss/(gain) reclassified to net income |  |  | (119,684)
Corn Option [Member] |  |  |
Before-Tax Amount |  |  |
Loss/(gain) reclassified to net income | (3,868) | (1,517) | (3,868)
Gain/(loss) recognized in other comprehensive income (loss) | 4,889 | 4,405 | 1,812
Total natural gas derivatives | 1,021 | 2,888 | (2,056)
Tax (Expense) or Benefit |  |  |
Loss/(gain) reclassified to net income | 1,501 | 589 | 1,501
Gain/(loss) recognized in other comprehensive income (loss) | (1,897) | (1,710) | (704)
Total natural gas derivatives | (396) | 1,121 | 797
Net-of-Tax Amount |  |  |
Loss/(gain) reclassified to net income | (2,367) | (928) | (2,367)
Gain/(loss) recognized in other comprehensive income (loss) | 2,992 | 2,695 | 1,108
Total natural gas derivatives | 625 | 1,767 | (1,259)
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |
Net-of-Tax Amount |  |  |
Total defined benefit pension plans | (1,016) | 4,202 | (20,381)
Net-of-Tax Amount |  |  |
Total other comprehensive income, net of tax | (3,697) | (164,827) | (125,884)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax | (5,593) | (162,436) |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax | 0 | 0 |
Foreign currency translation adjustments | (5,593) | (162,436) |
Accumulated Other Comprehensive Income (Loss) [Member] | Natural Gas Swap [Member] |  |  |
Net-of-Tax Amount |  |  |
Total natural gas derivatives |  |  | (113)
Accumulated Other Comprehensive Income (Loss) [Member] | Corn Option [Member] |  |  |
Net-of-Tax Amount |  |  |
Total natural gas derivatives | $ 625 | $ 1,767 | $ (1,259)

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