| Compensation and Retirement Disclosure [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Compensation and Retirement Disclosure [Abstract] | |
Change in Benefit Obligation, Plan Assets and Funded Status | The change in benefit obligation, plan assets and funded status as of December 31 consisted of the following (in thousands): | | | | | | | | | | | | | | | | | | U.S. Pension and Other Post-Retirement Benefit Plans | | Non-U.S. Pension Plans | | 2016 | | 2015 | | 2016 | | 2015 | Change in benefit obligation: | | | | | | | | Benefit obligation — Beginning of year | $ | 47,795 |
| | $ | 51,279 |
| | $ | 39,186 |
| | $ | 43,569 |
| Service cost | 126 |
| | 135 |
| | — |
| | — |
| Interest cost | 1,878 |
| | 1,864 |
| | 1,370 |
| | 1,470 |
| Participant contributions | 7 |
| | 11 |
| | — |
| | — |
| Benefits paid | (2,161 | ) | | (2,179 | ) | | (1,454 | ) | | (1,676 | ) | Actuarial loss (gain) | (133 | ) | | (3,315 | ) | | 9,234 |
| | (2,263 | ) | Exchange rate changes | — |
| | — |
| | (7,516 | ) | | (1,914 | ) | Benefit obligation at end of year | 47,512 |
| | 47,795 |
| | 40,820 |
| | 39,186 |
| Change in plan assets: | | | | | | | | Fair value of plan assets — Beginning of year | 36,270 |
| | 35,660 |
| | 33,608 |
| | 35,752 |
| Actual return on plan assets | 2,035 |
| | 532 |
| | 4,214 |
| | 328 |
| Employer contributions | 2,239 |
| | 2,246 |
| | 756 |
| | 818 |
| Participant contributions | 7 |
| | 11 |
| | — |
| | — |
| Benefits paid | (2,161 | ) | | (2,179 | ) | | (1,454 | ) | | (1,676 | ) | Exchange rate changes | — |
| | — |
| | (6,044 | ) | | (1,614 | ) | Fair value of plan assets at end of year | 38,390 |
| | 36,270 |
| | 31,080 |
| | 33,608 |
| Funded status | $ | (9,122 | ) | | $ | (11,525 | ) | | $ | (9,740 | ) | | $ | (5,578 | ) |
|
Amounts Recognized in Consolidated Balance Sheets | Amounts recognized in the consolidated balance sheets at December 31 consist of (in thousands): | | | | | | | | | | | | | | | | | | U.S. Pension and Other Post-Retirement Benefit Plans | | Non-U.S. Pension Plans | | 2016 | | 2015 | | 2016 | | 2015 | Current liabilities | $ | 64 |
| | $ | 74 |
| | $ | — |
| | $ | — |
| Noncurrent liabilities | 9,058 |
| | 11,451 |
| | 9,740 |
| | 5,578 |
| Net amount recognized | $ | 9,122 |
| | $ | 11,525 |
| | $ | 9,740 |
| | $ | 5,578 |
|
|
Components of Net Periodic Benefit Cost | The components of net periodic benefit cost for the years ended December 31 are as follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | U.S. Pension and Other Post-Retirement Benefit Plans | | Non-U.S. Pension Plans | | 2016 | | 2015 | | 2014 | | 2016 | | 2015 | | 2014 | Service cost | $ | 126 |
| | $ | 135 |
| | $ | 84 |
| | $ | — |
| | $ | — |
| | $ | — |
| Interest cost | 1,878 |
| | 1,864 |
| | 1,915 |
| | 1,370 |
| | 1,470 |
| | 1,758 |
| Expected return on plan assets | (2,719 | ) | | (2,673 | ) | | (2,514 | ) | | (1,520 | ) | | (1,597 | ) | | (1,891 | ) | Amortization of prior service cost | 6 |
| | 6 |
| | 6 |
| | — |
| | — |
| | — |
| Recognized actuarial loss (gain) | 308 |
| | 336 |
| | 1 |
| | 210 |
| | 275 |
| | 249 |
| Net periodic (benefit) cost | $ | (401 | ) | | $ | (332 | ) | | $ | (508 | ) | | $ | 60 |
| | $ | 148 |
| | $ | 116 |
|
|
Amounts Recognized in Accumulated Other Comprehensive Income (Loss) | Amounts recognized in accumulated other comprehensive income (loss), before taking into account income tax effects, at December 31 are as follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | U.S. Pension and Other Post-Retirement Benefit Plans | | Non-U.S. Pension Plans | | 2016 | | 2015 | | 2014 | | 2016 | | 2015 | | 2014 | Net actuarial loss (gain) | $ | 15,219 |
| | $ | 14,974 |
| | $ | 16,485 |
| | $ | 14,134 |
| | $ | 8,784 |
| | $ | 10,227 |
| Prior service cost | 63 |
| | 69 |
| | 75 |
| | — |
| | — |
| | — |
| | $ | 15,282 |
| | $ | 15,043 |
| | $ | 16,560 |
| | $ | 14,134 |
| | $ | 8,784 |
| | $ | 10,227 |
|
|
Amounts Recognized as Other Changes in Plan Assets and Benefit Obligations in Other Comprehensive Income | Amounts recognized as other changes in plan assets and benefit obligations in other comprehensive income, before taking into account income tax effects, for the year ended December 31 are as follows (in thousands): | | | | | | | | | | | | | | | | | | U.S. Pension and Other Post-Retirement Plans | | Non-U.S. Pension Plans | | 2016 | | 2015 | | 2016 | | 2015 | Actuarial loss (gain) | $ | 551 |
| | $ | (1,172 | ) | | $ | 6,001 |
| | $ | (994 | ) | Amortization of actuarial (gain) loss | (308 | ) | | (336 | ) | | (193 | ) | | (275 | ) | Prior Service credit | (6 | ) | | (6 | ) | | — |
| | — |
| Total recognized in other comprehensive income (loss) | $ | 237 |
| | $ | (1,514 | ) | | $ | 5,808 |
| | $ | (1,269 | ) |
|
Weighted-Average Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Cost | Weighted-average assumptions used to determine benefit obligations at December 31 are as follows: | | | | | | | | | | | | | | U.S. Pension and Other Post-Retirement Benefit Plans | | Non-U.S. Pension
Plans | | 2016 | | 2015 | | 2016 | | 2015 | Discount rate | 3.87 | % | | 4.05 | % | | 2.70 | % | | 3.90 | % |
Weighted-average assumptions used to determine net periodic benefit cost at December 31 are as follows: | | | | | | | | | | | | | | | | | | | | U.S. Pension and Other Post-Retirement Plans | | Non-U.S. Pension Plans | | 2016 | | 2015 | | 2014 | | 2016 | | 2015 | | 2014 | Discount rate | 4.05 | % | | 3.73 | % | | 4.57 | % | | 3.90 | % | | 3.50 | % | | 4.40 | % | Expected return on plan assets | 7.50 | % | | 7.50 | % | | 7.50 | % | | 5.00 | % | | 4.60 | % | | 5.80 | % |
|
Current Investment Allocation Target for Pension Plans and Weighted-Average Asset Allocations | Our current investment allocation target for our pension plans for 2016 and our weighted-average asset allocations of our pension assets for the years ended December 31, by asset category, are as follows: | | | | | | | | | | | | | | | | | | Target Allocation | | Actual Allocations as of December 31, | | 2016 | | 2015 | | U.S. Pension Plans | | Non-U.S. Pension Plans | | U.S. | | Non-U.S. | | U.S. | | Non-U.S. | | 2016 | | 2015 | | 2016 | | 2015 | Cash and cash equivalents | — | | — | | — | | — | | 0.1 | | 1.2 | | — | | 0.4 | Equity/balanced securities | 55 | | 55 | | 55 | | 60 | | 52.1 | | 51.0 | | 55.2 | | 61.1 | Fixed income securities | 25 | | 45 | | 25 | | 40 | | 23.3 | | 24.0 | | 44.8 | | 38.5 | Real estate | 20 | | — | | 20 | | — | | 24.5 | | 23.8 | | — | | — | | 100% | | 100% | | 100% | | 100% | | 100% | | 100% | | 100% | | 100% |
|
Fair Values of Pension Plan Assets by Asset Category and by Level | The fair values of our pension plan assets by asset category and by level as described in Note 2 for the years ended December 31, 2016 and 2015 are as follows (in thousands): | | | | | | | | | | | | | | | | | | December 31, 2016 | | | | Quoted Prices in
Active Markets for
Identical Assets | | Significant
Observable Inputs | | Significant
Unobservable Inputs | | Total | | Level 1 | | Level 2 | | Level 3 | Cash and cash equivalents | $ | 174 |
| | $ | 174 |
| | $ | — |
| | $ | — |
| Equities: | | | | | | | | U.S. large value | 4,800 |
| | 4,800 |
| | — |
| | — |
| U.S. large growth | 4,805 |
| | 4,805 |
| | — |
| | — |
| International blend | 7,954 |
| | — |
| | 7,954 |
| | — |
| Emerging markets | 2,464 |
| | 2,464 |
| | — |
| | — |
| Balanced | 18,486 |
| | — |
| | 18,486 |
| | — |
| Fixed income securities: | | | | | | | | Government bonds | 8,402 |
| | — |
| | 8,402 |
| | — |
| Corporate bonds | 12,976 |
| | — |
| | 12,976 |
| | — |
| Real Estate: |
| | | | | | | U.S. property | 9,409 |
| | — |
| | — |
| | 9,409 |
| Total pension fund assets | $ | 69,470 |
| | $ | 12,243 |
| | $ | 47,818 |
| | $ | 9,409 |
| | | | | | | | | | December 31, 2015 | | | | Quoted Prices in
Active Markets for
Identical Assets | | Significant
Observable Inputs | | Significant
Unobservable Inputs | | Total | | Level 1 | | Level 2 | | Level 3 | Cash and cash equivalents | $ | 551 |
| | $ | 551 |
| | $ | — |
| | $ | — |
| Equities: | | | | | | | | U.S. large value | 4,222 |
| | 4,222 |
| | — |
| | — |
| U.S. large growth | 3,961 |
| | 3,961 |
| | — |
| | — |
| International blend | 7,874 |
| | — |
| | 7,874 |
| | — |
| Emerging markets | 2,429 |
| | 2,429 |
| | — |
| | — |
| Balanced | 20,528 |
| | — |
| | 20,528 |
| | — |
| Fixed income securities: | | | | | | | | Government bonds | 4,298 |
| | — |
| | 4,298 |
| | — |
| Corporate bonds | 17,368 |
| | — |
| | 17,368 |
| | — |
| Real Estate: |
| | | | | | | U.S. property | 8,645 |
| | — |
| | — |
| | 8,645 |
| Total pension fund assets | $ | 69,876 |
| | $ | 11,163 |
| | $ | 50,068 |
| | $ | 8,645 |
|
|
Fair Value of Pension Plan Assets Measured Using Significant Unobservable Inputs | The fair value of our pension plan assets measured using significant unobservable inputs (Level 3) at December 31 are as follows (in thousands): | | | | | | | | | | 2016 | | 2015 | Beginning balance | $ | 8,645 |
| | $ | 7,957 |
| Actual return on plan assets: | | | | Relating to assets held at reporting date | 764 |
| | 1,018 |
| Relating to assets sold during the period | — |
| | 2 |
| Purchases, sales and settlements, net | — |
| | (322 | ) | Foreign currency translation adjustment | — |
| | (10 | ) | Ending balance | $ | 9,409 |
| | $ | 8,645 |
|
|
Expected Future Benefit Payments of Pension and Other Post-Retirement Benefit Plans | The following table summarizes our expected future benefit payments of our pension and other post-retirement benefit plans (in thousands): | | | | | Year | Pension Plans | 2017 | $ | 3,698 |
| 2018 | 3,902 |
| 2019 | 4,095 |
| 2020 | 4,279 |
| 2021 | 4,326 |
| 2022 to 2026 | 22,372 |
|
|