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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jul. 01, 2017 | Apr. 01, 2017 | Dec. 31, 2016 | Oct. 01, 2016 | Jul. 02, 2016 | Apr. 02, 2016 | Dec. 31, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
TCJA income tax expense Abstract [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
TCJA remeasurement of deferred tax liabilities |  |  |  |  |  |  |  |  |  | $ (74,816) | $ 0 | $ 0
TCJA tax on unremitted foreign earnings |  |  |  |  |  |  |  |  |  | 215,558 | 0 | 0
TCJA foreign taxes on assumed repatriation |  |  |  |  |  |  |  |  |  | 213,000 |  |
TCJA reversal of deferred taxes due to cancellation of repatriation plan |  |  |  |  |  |  |  |  |  | (118,887) |  |
Total tax expense enactment of TCJA | $ 234,855 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 |  | 234,855 |  |
Income (loss) from continuing operations before taxes and noncontrolling interests [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  |  |  |  |  |  |  |  | (40,171) | (135,953) | (40,929)
Foreign |  |  |  |  |  |  |  |  |  | 319,535 | 230,169 | 115,669
Income before taxes |  |  |  |  |  |  |  |  |  | 279,364 | 94,216 | 74,740
Current income tax expense: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  |  | 180,873 | 358 | 290
State and local |  |  |  |  |  |  |  |  |  | 108 | 5 | 163
Foreign |  |  |  |  |  |  |  |  |  | 65,566 | 46,999 | 63,573
Total current income tax expense |  |  |  |  |  |  |  |  |  | 246,547 | 47,362 | 64,026
Deferred income tax expense: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  |  | (101,896) | 6,163 | 78,933
State and local |  |  |  |  |  |  |  |  |  | 1,538 | (3,039) | 311
Foreign |  |  |  |  |  |  |  |  |  | 152,735 | (5,643) | 39,203
Total deferred income tax expense |  |  |  |  |  |  |  |  |  | 52,377 | (2,519) | 118,447
Total income tax expense |  |  |  |  |  |  |  |  |  | 298,924 | 44,843 | 182,473
Deferred tax assets: |  |  |  |  |  |  |  |  |  |  |  |
Pension and other retiree obligations | 43,536 |  |  |  | 47,104 |  |  |  |  | 43,536 | 47,104 |
Inventories | 9,658 |  |  |  | 7,691 |  |  |  |  | 9,658 | 7,691 |
Property and equipment | 3,798 |  |  |  | (1,025) |  |  |  |  | 3,798 | (1,025) |
Net operating loss carryforwards | 136,599 |  |  |  | 183,562 |  |  |  |  | 136,599 | 183,562 |
Tax credit carryforwards | 13,328 |  |  |  | 25,432 |  |  |  |  | 13,328 | 25,432 |
Other accruals and reserves | 22,930 |  |  |  | 29,401 |  |  |  |  | 22,930 | 29,401 |
Total gross deferred tax assets | 229,849 |  |  |  | 292,165 |  |  |  |  | 229,849 | 292,165 |
Less valuation allowance | (149,070) |  |  |  | (165,269) |  |  |  |  | (149,070) | (165,269) |
Deferred tax assets, net | 80,779 |  |  |  | 126,896 |  |  |  |  | 80,779 | 126,896 |
Deferred tax liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Earnings not permanently reinvested | (213,000) |  |  |  | (139,165) |  |  |  |  | (213,000) | (139,165) |
Convertible debentures | (135,576) |  |  |  | (203,641) |  |  |  |  | (135,576) | (203,641) |
Other - net | (6,125) |  |  |  | (10,646) |  |  |  |  | (6,125) | (10,646) |
Total gross deferred tax liabilities | (354,701) |  |  |  | (353,452) |  |  |  |  | (354,701) | (353,452) |
Net deferred tax assets (liabilities) | (273,922) |  |  |  | (226,556) |  |  |  |  | (273,922) | (226,556) |
Discrete Tax Items Repatriation | (2,702) | (892) | (1,240) | (968) | (165) | (1,402) | (1,217) | (769) | $ 163,954 | 5,802 |  |
Tax effects of changes in uncertain tax positions | 2,369 | (804) | 0 | 0 | (8,704) | 0 | 0 | 0 |  | (1,565) | (8,704) | (2,629)
Reconciliation of income tax expense at federal statutory rate to actual income tax provision [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tax at statutory rate |  |  |  |  |  |  |  |  |  | 97,777 | 32,976 | 26,159
State income taxes, net of U.S. federal tax benefit |  |  |  |  |  |  |  |  |  | 1,070 | (1,972) | 309
Effect of foreign operations |  |  |  |  |  |  |  |  |  | (54,807) | (26,551) | (13,212)
Tax on earnings not permanently reinvested |  |  |  |  |  |  |  |  |  | 88,311 | (3,553) | 163,699
Unrecognized tax benefits |  |  |  |  |  |  |  |  |  | 5,887 | (8,453) | (1,353)
Change in valuation allowance on deferred tax asset |  |  |  |  |  |  |  |  |  | 0 | 991 | (8,888)
TCJA remeasurement of deferred tax liabilities |  |  |  |  |  |  |  |  |  | (74,816) | 0 | 0
TCJA tax on unremitted foreign earnings |  |  |  |  |  |  |  |  |  | 215,558 | 0 | 0
Foreign income taxable in the U.S. |  |  |  |  |  |  |  |  |  | 20,436 | 18,442 | 7,025
Discrete Tax Items - Pension Settlement | 0 | 0 | 0 | 0 | 34,853 | 0 | 0 | 0 |  | 0 | 34,853 | 0
Tax effect of impairment charges |  |  |  |  |  |  |  |  |  | 0 | (454) | 8,305
Other |  |  |  |  |  |  |  |  |  | (492) | (1,436) | 429
Total income tax expense |  |  |  |  |  |  |  |  |  | 298,924 | 44,843 | 182,473
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Discrete Tax Items Included Income Tax Expense |  |  |  |  |  |  |  |  |  | 230,618 | 22,596 | 152,437
Available tax credit carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Discrete Tax Items Repatriation | (2,702) | $ (892) | $ (1,240) | (968) | (165) | $ (1,402) | $ (1,217) | (769) | 163,954 | 5,802 |  |
Expected repatriation |  |  |  |  |  |  |  |  |  | 1,100,000 |  | 300,000
Income tax uncertainties [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Cash repatriated during the current period |  |  |  |  |  |  |  |  |  | 38,000 | 46,000 |
Net income taxes paid (refunded) |  |  |  |  |  |  |  |  |  | 76,900 | 58,788 | 49,301
Company accrued interest and penalties related to the unrecognized tax benefits | 2,845 |  |  |  | 1,638 |  |  |  |  | 2,845 | 1,638 |
Company recognized interest and penalties. |  |  |  |  |  |  |  |  |  | 2,479 | 542 | 785
Unrecognized tax benefits [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of year |  |  |  | $ 16,805 |  |  |  | $ 23,527 |  | 16,805 | 23,527 | 26,583
Addition based on tax positions related to the current year |  |  |  |  |  |  |  |  |  | 3,911 | 1,553 | 1,439
Addition based on tax positions related to prior years |  |  |  |  |  |  |  |  |  | 1,837 | 1,047 | 1,894
Currency translation adjustments |  |  |  |  |  |  |  |  |  | 915 | (96) | (1,370)
Reduction based on tax positions related to prior years |  |  |  |  |  |  |  |  |  | (1,473) | 0 | 0
Reduction for settlements |  |  |  |  |  |  |  |  |  | (4,077) | (1,210) | (4,879)
Reduction for lapses of statute of limitation |  |  |  |  |  |  |  |  |  | (862) | (8,016) | (140)
Balance at end of year | 17,056 |  |  |  | $ 16,805 |  |  |  | $ 23,527 | 17,056 | $ 16,805 | $ 23,527
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Available tax credit carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Decrease in Unrecognized Tax Benefits is Reasonably Possible | 2,730 |  |  |  |  |  |  |  |  | 2,730 |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Available tax credit carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Decrease in Unrecognized Tax Benefits is Reasonably Possible | 5,149 |  |  |  |  |  |  |  |  | 5,149 |  |
AUSTRIA [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 16,836 |  |  |  |  |  |  |  |  | 16,836 |  |
BELGIUM [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 171,122 |  |  |  |  |  |  |  |  | 171,122 |  |
BRAZIL [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 12,622 |  |  |  |  |  |  |  |  | 12,622 |  |
Germany [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 6,272 |  |  |  |  |  |  |  |  | 6,272 |  |
Israel [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 10,707 |  |  |  |  |  |  |  |  | 10,707 |  |
JAPAN [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 5,358 |  |  |  |  |  |  |  |  | $ 5,358 |  |
JAPAN [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Expiration date NOL carryforward |  |  |  |  |  |  |  |  |  | Dec. 31, 2018 |  |
JAPAN [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Expiration date NOL carryforward |  |  |  |  |  |  |  |  |  | Dec. 31, 2026 |  |
NETHERLANDS [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 19,073 |  |  |  |  |  |  |  |  | $ 19,073 |  |
NETHERLANDS [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Expiration date NOL carryforward |  |  |  |  |  |  |  |  |  | Dec. 31, 2018 |  |
NETHERLANDS [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Expiration date NOL carryforward |  |  |  |  |  |  |  |  |  | Dec. 31, 2026 |  |
The Republic of China (Taiwan) [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 14,594 |  |  |  |  |  |  |  |  | $ 14,594 |  |
The Republic of China (Taiwan) [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Expiration date NOL carryforward |  |  |  |  |  |  |  |  |  | Dec. 31, 2024 |  |
The Republic of China (Taiwan) [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Expiration date NOL carryforward |  |  |  |  |  |  |  |  |  | Dec. 31, 2027 |  |
California [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 55,479 |  |  |  |  |  |  |  |  | $ 55,479 |  |
California [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Expiration date NOL carryforward |  |  |  |  |  |  |  |  |  | Dec. 31, 2026 |  |
California [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Expiration date NOL carryforward |  |  |  |  |  |  |  |  |  | Dec. 31, 2037 |  |
Pennsylvania [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforward | 722,277 |  |  |  |  |  |  |  |  | $ 722,277 |  |
Pennsylvania [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Expiration date NOL carryforward |  |  |  |  |  |  |  |  |  | Dec. 31, 2018 |  |
Pennsylvania [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Expiration date NOL carryforward |  |  |  |  |  |  |  |  |  | Dec. 31, 2037 |  |
Research Tax Credit [Member] | California [Member] |  |  |  |  |  |  |  |  |  |  |  |
Net operating loss carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tax Credit Carryforward, Amount | 13,327 |  |  |  |  |  |  |  |  | $ 13,327 |  |
Available tax credit carryforwards [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tax Credit Carryforward | $ 13,327 |  |  |  |  |  |  |  |  | $ 13,327 |  |

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