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Employee Benefits - Fair Value Hierarchy of Plan Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
U.S Plans [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 602,408 |  |
U.S Plans [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 |  |
U.S Plans [Member] | Pension Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 602,408 | $ 532,381 | $ 581,917
U.S Plans [Member] | Pension Plan [Member] | Cash Equivalents [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 4,431 | 3,490 |
U.S Plans [Member] | Pension Plan [Member] | Receivables [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 1,347 | 1,465 |
U.S Plans [Member] | Pension Plan [Member] | Level 1 [Member] | Cash Equivalents [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Level 2 [Member] | Cash Equivalents [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 4,431 | 3,490 |
U.S Plans [Member] | Pension Plan [Member] | Level 3 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets |  | 0 |
U.S Plans [Member] | Pension Plan [Member] | Level 3 [Member] | Cash Equivalents [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Government & Government Agency Bonds [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 19,427 | 17,827 |
U.S Plans [Member] | Pension Plan [Member] | Government & Government Agency Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Government & Government Agency Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 19,427 | 17,827 |
U.S Plans [Member] | Pension Plan [Member] | Government & Government Agency Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Corporate Bonds [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 112,137 | 96,566 |
U.S Plans [Member] | Pension Plan [Member] | Corporate Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Corporate Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 112,137 | 96,566 |
U.S Plans [Member] | Pension Plan [Member] | Corporate Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Municipal Bonds [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 8,460 | 8,138 |
U.S Plans [Member] | Pension Plan [Member] | Municipal Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Municipal Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 8,460 | 8,138 |
U.S Plans [Member] | Pension Plan [Member] | Municipal Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Pooled Funds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 80,400 | 133,100 |
U.S Plans [Member] | Pension Plan [Member] | Pooled Funds [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 456,606 | 404,895 |
U.S Plans [Member] | Pension Plan [Member] | Pooled Funds [Member] | Level 1 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Pooled Funds [Member] | Level 2 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Pooled Funds [Member] | Level 3 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Fair Value Of Plan Assets Before Receivables [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 601,061 | 530,916 |
U.S Plans [Member] | Pension Plan [Member] | Fair Value Of Plan Assets Before Receivables [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
U.S Plans [Member] | Pension Plan [Member] | Fair Value Of Plan Assets Before Receivables [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 144,455 | 126,021 |
U.S Plans [Member] | Pension Plan [Member] | Fixed Income Funds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 376,000 | 271,800 |
Non-U.S. Plans [Member] | Pension Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 1,005,283 | 896,782 | $ 929,810
Non-U.S. Plans [Member] | Pension Plan [Member] | Cash [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 5,921 | 25,386 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 1 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 275,937 | 290,496 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 1 [Member] | Cash [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 5,921 | 25,386 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 2 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 615,151 | 511,269 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 2 [Member] | Cash [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 3 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 114,195 | 95,017 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 3 [Member] | Cash [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 3 [Member] | Real Estate [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 84,013 | 69,104 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Large Cap [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 84,542 | 47,269 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Large Cap [Member] | Level 1 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 58,926 | 35,929 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Large Cap [Member] | Level 2 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 25,616 | 11,340 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Large Cap [Member] | Level 3 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Large Cap [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 24,720 | 39,222 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Large Cap [Member] | Level 1 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 24,720 | 30,841 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Large Cap [Member] | Level 2 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 8,381 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Large Cap [Member] | Level 3 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Mid Cap [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 956 | 905 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Mid Cap [Member] | Level 1 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 956 | 905 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Mid Cap [Member] | Level 2 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Mid Cap [Member] | Level 3 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Small Cap [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 738 | 628 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Small Cap [Member] | Level 1 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 738 | 628 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Small Cap [Member] | Level 2 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Small Cap [Member] | Level 3 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 27,374 |  |
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets |  | 22,608 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 1 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 27,374 |  |
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets |  | 22,608 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 2 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 |  |
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets |  | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 3 [Member] | Equity Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 |  |
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets |  | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Treasuries/Government Bonds [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 108 | 131 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Treasuries/Government Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 108 | 131 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Treasuries/Government Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Treasuries/Government Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U S Corporate Bonds [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 32,013 | 29,682 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U S Corporate Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U S Corporate Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 32,013 | 29,682 |
Non-U.S. Plans [Member] | Pension Plan [Member] | U S Corporate Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Treasuries/Government Bonds [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 117,890 | 142,761 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Treasuries/Government Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 117,890 | 137,267 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Treasuries/Government Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 5,494 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Treasuries/Government Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Corporate Bonds [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 183,354 | 116,734 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Corporate Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 33,320 | 30,893 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Corporate Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 150,034 | 85,841 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Corporate Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Other Fixed Income [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 2,553 | 2,324 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Other Fixed Income [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 2,553 | 2,324 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Other Fixed Income [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Other Fixed Income [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Asset-Backed Securities [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 33,654 | 32,587 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Asset-Backed Securities [Member] | Level 1 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Asset-Backed Securities [Member] | Level 2 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 33,654 | 32,587 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Asset-Backed Securities [Member] | Level 3 [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Insurance Contracts [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 152,291 | 153,201 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Insurance Contracts [Member] | Level 1 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Insurance Contracts [Member] | Level 2 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 152,025 | 152,947 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Insurance Contracts [Member] | Level 3 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 266 | 254 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Derivative [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 65,016 | 54,512 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Derivative [Member] | Level 1 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Derivative [Member] | Level 2 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 65,016 | 54,512 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Derivative [Member] | Level 3 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Other [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 32,513 | 28,287 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Other [Member] | Level 1 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Other [Member] | Level 2 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 2,330 | 2,374 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Other [Member] | Level 3 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 30,183 | 25,913 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Absolute Return Funds [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 157,894 | 131,695 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Absolute Return Funds [Member] | Level 1 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 3,431 | 3,584 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Absolute Return Funds [Member] | Level 2 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 154,463 | 128,111 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Absolute Return Funds [Member] | Level 3 [Member] | Alternative Type of Investments [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Real Estate [Member] | Real Estate [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 83,746 | 68,850 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Real Estate [Member] | Level 1 [Member] | Real Estate [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Real Estate [Member] | Level 2 [Member] | Real Estate [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Real Estate [Member] | Level 3 [Member] | Real Estate [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 83,746 | $ 68,850 |

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