Pensions (Tables) - Pension Plan [Member]
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12 Months Ended |
Dec. 31, 2018 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Schedule of Defined Benefit Pension Plans |
Information related to the Company’s defined benefit pension plans was as follows: | | | | | | | | | | | | | | | | | | Year Ended December 31, | | 2018 | | 2017 | | U.S. | | Non-U.S. | | U.S. | | Non-U.S. | Change in projected benefit obligation: | | | | | | | | Projected benefit obligations at beginning of period | $ | 315,698 |
| | $ | 197,169 |
| | $ | 303,446 |
| | $ | 191,184 |
| Service cost | 852 |
| | 4,383 |
| | 814 |
| | 4,025 |
| Interest cost | 10,824 |
| | 4,207 |
| | 11,700 |
| | 4,341 |
| Actuarial (gain) loss | (21,684 | ) | | (3,001 | ) | | 17,230 |
| | 4,450 |
| Benefits paid | (17,467 | ) | | (7,125 | ) | | (17,492 | ) | | (7,048 | ) | Foreign exchange translation | — |
| | (10,697 | ) | | — |
| | 20,809 |
| Settlements | — |
| | (4,974 | ) | | — |
| | (20,667 | ) | Acquisitions | — |
| | 2,778 |
| | — |
| | — |
| Other | — |
| | 1,110 |
| | — |
| | 75 |
| Projected benefit obligations at end of period | $ | 288,223 |
| | $ | 183,850 |
| | $ | 315,698 |
| | $ | 197,169 |
| | | | | | | | | Change in plan assets: | | | | | | | | Fair value of plan assets at beginning of period | $ | 275,767 |
| | $ | 52,026 |
| | $ | 253,483 |
| | $ | 63,220 |
| Actual return on plan assets | (16,631 | ) | | (746 | ) | | 35,233 |
| | 5,039 |
| Employer contributions | 23,350 |
| | 9,136 |
| | 4,543 |
| | 7,238 |
| Benefits paid | (17,467 | ) | | (7,125 | ) | | (17,492 | ) | | (7,048 | ) | Foreign exchange translation | — |
| | (4,014 | ) | | — |
| | 4,008 |
| Settlements | — |
| | (3,730 | ) | | — |
| | (20,431 | ) | Acquisitions | — |
| | 2,145 |
| | — |
| | — |
| Fair value of plan assets at end of period | $ | 265,019 |
| | $ | 47,692 |
| | $ | 275,767 |
| | $ | 52,026 |
| | | | | | | | | Funded status of the plans | $ | (23,204 | ) | | $ | (136,158 | ) | | $ | (39,931 | ) | | $ | (145,143 | ) |
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| Schedule of Amounts Recognized in Balance Sheet [Table Text Block] |
| | | | | | | | | | | | | | | | | | December 31, 2018 | | December 31, 2017 | | U.S. | | Non-U.S. | | U.S. | | Non-U.S. | Amounts recognized in the consolidated balance sheet: | | | | | | | | Other assets | $ | 524 |
| | $ | 433 |
| | $ | — |
| | $ | 405 |
| Accrued liabilities | $ | (1,011 | ) | | $ | (4,643 | ) | | $ | (1,011 | ) | | $ | (4,295 | ) | Pension benefits (long term) | $ | (22,717 | ) | | $ | (131,948 | ) | | $ | (38,920 | ) | | $ | (141,253 | ) |
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| Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
Pre-tax amounts included in accumulated other comprehensive loss that have not yet been recognized in net periodic benefit (income) cost as of December 31, 2018 and 2017 were as follows: | | | | | | | | | | | | | | | | | | December 31, 2018 | | December 31, 2017 | | U.S. | | Non-U.S. | | U.S. | | Non-U.S. | Prior service costs | $ | (116 | ) | | $ | (990 | ) | | $ | (136 | ) | | $ | (1,206 | ) | Actuarial losses | $ | (84,857 | ) | | $ | (41,844 | ) | | $ | (74,711 | ) | | $ | (48,491 | ) |
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| Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block] |
Pre-tax amounts included in accumulated other comprehensive loss that are expected to be recognized in net periodic benefit cost during the year ended December 31, 2019 are as follows: | | | | | | | | | | U.S. | | Non-U.S. | Prior service costs | $ | (20 | ) | | $ | (236 | ) | Actuarial losses | $ | (3,105 | ) | | $ | (2,230 | ) |
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| Components of Net Periodic Benefit Cost |
The components of net periodic benefit (income) cost for the Company’s defined benefit plans were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | Year Ended December 31, | | 2018 | | 2017 | | 2016 | | U.S. | | Non-U.S. | | U.S. | | Non-U.S. | | U.S. | | Non-U.S. | Service cost | $ | 852 |
| | $ | 4,383 |
| | $ | 814 |
| | $ | 4,025 |
| | $ | 807 |
| | $ | 3,346 |
| Interest cost | 10,824 |
| | 4,207 |
| | 11,700 |
| | 4,341 |
| | 12,580 |
| | 5,041 |
| Expected return on plan assets | (17,414 | ) | | (2,178 | ) | | (16,012 | ) | | (2,617 | ) | | (15,835 | ) | | (3,133 | ) | Amortization of prior service cost and actuarial loss | 2,403 |
| | 2,646 |
| | 1,871 |
| | 2,898 |
| | 1,714 |
| | 2,186 |
| Settlements | — |
| | 775 |
| | — |
| | 6,427 |
| | — |
| | 538 |
| Net periodic benefit (income) cost | $ | (3,335 | ) | | $ | 9,833 |
| | $ | (1,627 | ) | | $ | 15,074 |
| | $ | (734 | ) | | $ | 7,978 |
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| Weighted Average Assumptions Used to Determine Benefit Obligations |
Weighted average assumptions used to determine benefit obligations as of December 31, 2018 and 2017 were as follows: | | | | | | | | | | | | | | 2018 | | 2017 | | U.S. | | Non-U.S. | | U.S. | | Non-U.S. | Discount rate | 4.25 | % | | 2.34 | % | | 3.55 | % | | 2.17 | % | Rate of compensation increase | N/A |
| | 2.99 | % | | N/A |
| | 3.17 | % |
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| Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs |
Weighted average assumptions used to determine net periodic benefit costs for the years ended December 31, 2018, 2017 and 2016 were as follows: | | | | | | | | | | | | | | | | | | | | 2018 | | 2017 | | 2016 | | U.S. | | Non-U.S. | | U.S. | | Non-U.S. | | U.S. | | Non-U.S. | Discount rate | 3.55 | % | | 2.17 | % | | 3.99 | % | | 2.23 | % | | 4.24 | % | | 2.80 | % | Expected return on plan assets | 6.50 | % | | 5.82 | % | | 6.60 | % | | 5.94 | % | | 6.60 | % | | 4.39 | % | Rate of compensation increase | N/A |
| | 3.17 | % | | N/A |
| | 3.15 | % | | N/A |
| | 3.15 | % |
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| Pension Plan Assets at Fair Value |
The fair value of the Company’s pension plan assets by category using the three-level hierarchy (see Note 11. “Fair Value Measurements and Financial Instruments”) as of December 31, 2018 and 2017 was as follows: | | | | | | | | | | | | | | | | | | | | | | 2018 | | Level 1 | | Level 2 | | Level 3 | | Assets measured at NAV (1) | | Total | Equity funds | | $ | 15,991 |
| | $ | 20,026 |
| | $ | — |
| | $ | — |
| | $ | 36,017 |
| Equity funds measured at net asset value | | — |
| | — |
| | — |
| | 103,105 |
| | 103,105 |
| Bond funds | | 3,104 |
| | 27,666 |
| | — |
| | — |
| | 30,770 |
| Bond funds measured at net asset value | | — |
| | — |
| | — |
| | 109,372 |
| | 109,372 |
| Real estate measured at net asset value | | — |
| | — |
| | — |
| | 30,520 |
| | 30,520 |
| Cash and cash equivalents | | 2,927 |
| | — |
| | — |
| | — |
| | 2,927 |
| Total | | $ | 22,022 |
| | $ | 47,692 |
| | $ | — |
| | $ | 242,997 |
| | $ | 312,711 |
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| | | | | | | | | | | | | | | | | | | | | | 2017 | | Level 1 | | Level 2 | | Level 3 | | Assets measured at NAV (1) | | Total | Equity funds | | $ | 41,080 |
| | $ | 22,419 |
| | $ | — |
| | $ | — |
| | $ | 63,499 |
| Equity funds measured at net asset value | | — |
| | — |
| | — |
| | 76,405 |
| | 76,405 |
| Bond funds | | 34,997 |
| | 29,607 |
| | — |
| | — |
| | 64,604 |
| Bond funds measured at net asset value | | — |
| | — |
| | — |
| | 69,823 |
| | 69,823 |
| Real estate measured at net asset value | | — |
| | — |
| | — |
| | 15,656 |
| | 15,656 |
| Hedge funds | | 3,603 |
| | — |
| | 110 |
| | — |
| | 3,713 |
| Hedge funds measured at net asset value | | — |
| | — |
| | — |
| | 29,195 |
| | 29,195 |
| Cash and cash equivalents | | 4,898 |
| | — |
| | — |
| | — |
| | 4,898 |
| Total | | $ | 84,578 |
| | $ | 52,026 |
| | $ | 110 |
| | $ | 191,079 |
| | $ | 327,793 |
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(1) Certain assets that are measured at fair value using the NAV per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy. These assets are included in this table to present total pension plan assets at fair value. |
| Reconciliation for Level 3 Inputs Used in Determining Fair Value |
The reconciliation for which Level 3 inputs were used in determining fair value is as follows: | | | | | Beginning balance of assets classified as Level 3 as of January 1, 2017 | $ | 16,454 |
| Purchases, sales and settlements, net | (16,348 | ) | Total gain | 4 |
| Ending balance of assets classified as Level 3 as of December 31, 2017 | 110 |
| Transfers into (out of) Level 3 | (110 | ) | Ending balance of assets classified as Level 3 as of December 31, 2018 | $ | — |
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| Estimated Benefit Payments for Domestic and Foreign Pension Plans |
The Company estimates its benefit payments for domestic and foreign pension plans during the next ten years to be as follows: | | | | | | | | | | | | | Years Ending December 31, | U.S. | | Non-U.S. | | Total | 2019 | $ | 20,567 |
| | $ | 6,650 |
| | $ | 27,217 |
| 2020 | 20,408 |
| | 6,520 |
| | 26,928 |
| 2021 | 20,320 |
| | 7,642 |
| | 27,962 |
| 2022 | 19,771 |
| | 9,829 |
| | 29,600 |
| 2023 | 19,008 |
| | 9,645 |
| | 28,653 |
| 2024-2028 | 94,786 |
| | 55,989 |
| | 150,775 |
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