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Pensions and Other Post-retirement Benefits (Tables) | 12 Months Ended
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Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract] |
Schedule Of Defined Benefit Pension Plans And Other Postretirement Benefits Plan | Information pertaining to defined benefit pension plans and other post-retirement benefits plans is provided in the following table:
| Pension Benefits |  | Other Benefits
(In thousands) | 2016 |  | 2015 |  | 2016 |  | 2015
Change in Benefit Obligations |  |  |  |  |  |  |
Benefit obligations at January 1 | $ | 491,180 |  |  | $ | 519,194 |  |  | $ | 22,974 |  |  | $ | 26,851 |
Service cost | 10,417 |  |  | 11,517 |  |  | 426 |  |  | 444 |
Interest cost | 18,752 |  |  | 18,314 |  |  | 946 |  |  | 863 |
Participant contributions | 100 |  |  | 105 |  |  | 222 |  |  | 255 |
Plan amendments | (1,092 | ) |  | 604 |  |  | (400 | ) |  | — |
Actuarial (gains) losses | 9,123 |  |  | (21,073 | ) |  | 1,285 |  |  | (3,998 | )
Benefits paid | (19,550 | ) |  | (19,261 | ) |  | (1,773 | ) |  | (1,441 | )
Curtailments | (163 | ) |  | — |  |  | — |  |  | — |
Settlements | (381 | ) |  | (2,094 | ) |  | — |  |  | — |
Currency translation | (4,389 | ) |  | (16,126 | ) |  | — |  |  | — |
Benefit obligations at December 31 | 503,997 |  |  | 491,180 |  |  | 23,680 |  |  | 22,974 |
Change in Plan Assets |  |  |  |  |  |  |
Fair value of plan assets at January 1 | 419,088 |  |  | 445,299 |  |  | — |  |  | — |
Actual return on plan assets | 31,418 |  |  | (4,754 | ) |  | — |  |  | — |
Employer contributions | 3,878 |  |  | 4,058 |  |  | 1,551 |  |  | 1,186 |
Participant contributions | 100 |  |  | 105 |  |  | 222 |  |  | 255 |
Settlements | (381 | ) |  | (2,094 | ) |  | — |  |  | — |
Benefits paid | (19,550 | ) |  | (16,979 | ) |  | (1,773 | ) |  | (1,441 | )
Reimbursement of German benefits | — |  |  | (2,282 | ) |  | — |  |  | — |
Administrative Expenses Paid | — |  |  | 6 |  |  | — |  |  | — |
Currency translation | (1,291 | ) |  | (4,271 | ) |  | — |  |  | — |
Fair value of plan assets at December 31 | 433,262 |  |  | 419,088 |  |  | — |  |  | — |
Funded Status |  |  |  |  |  |  |
Funded status at December 31 | (70,735 | ) |  | (72,092 | ) |  | (23,680 | ) |  | (22,974 | )
Unrecognized transition losses | 8 |  |  | 12 |  |  | — |  |  | — |
Unrecognized prior service (credit) cost | (646 | ) |  | 525 |  |  | (1,505 | ) |  | (1,524 | )
Unrecognized net actuarial losses | 187,738 |  |  | 188,531 |  |  | 3,643 |  |  | 2,117 |
Net amount recognized | 116,365 |  |  | 116,976 |  |  | (21,542 | ) |  | (22,381 | )
Amounts Recognized in the Balance Sheet |  |  |  |  |  |  |
Noncurrent assets | 62,916 |  |  | 62,072 |  |  | — |  |  | — |
Current liabilities | (4,620 | ) |  | (5,033 | ) |  | (1,638 | ) |  | (1,382 | )
Noncurrent liabilities | (129,031 | ) |  | (129,131 | ) |  | (22,042 | ) |  | (21,592 | )
Net amount recognized | (70,735 | ) |  | (72,092 | ) |  | (23,680 | ) |  | (22,974 | )
Amounts Recognized in Accumulated Other Comprehensive Loss |  |  |  |  |  |  |
Net actuarial losses | 187,738 |  |  | 188,531 |  |  | 3,643 |  |  | 2,425 |
Prior service (credit) cost | (646 | ) |  | 525 |  |  | (1,505 | ) |  | (1,523 | )
Unrecognized net initial obligation | 8 |  |  | 12 |  |  | — |  |  | — |
Total (before tax effects) | 187,100 |  |  | 189,068 |  |  | 2,138 |  |  | 902 |
Accumulated Benefit Obligations for all Defined Benefit Plans | 465,448 |  |  | 453,382 |  |  | — |  |  | — |
Components Of Net Periodic Benefit (Credit) Cost |
| Pension Benefits |  | Other Benefits
(In thousands) | 2016 |  | 2015 |  | 2014 |  | 2016 |  | 2015 |  | 2014
Components of Net Periodic Benefit Cost |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | 10,417 |  |  | $ | 11,517 |  |  | $ | 9,425 |  |  | $ | 426 |  |  | $ | 444 |  |  | $ | 538 |
Interest cost | 18,752 |  |  | 18,314 |  |  | 19,340 |  |  | 946 |  |  | 863 |  |  | 1,107 |
Expected return on plan assets | (34,751 | ) |  | (34,130 | ) |  | (32,944 | ) |  | — |  |  | — |  |  | — |
Amortization of transition amounts | 2 |  |  | 2 |  |  | 2 |  |  | — |  |  | — |  |  | — |
Amortization of prior service (credit) cost | (14 | ) |  | 66 |  |  | 84 |  |  | (419 | ) |  | (335 | ) |  | (335 | )
Recognized net actuarial losses | 11,921 |  |  | 15,545 |  |  | 8,639 |  |  | 68 |  |  | 27 |  |  | 182 |
Settlement loss | 5 |  |  | 641 |  |  | 290 |  |  | — |  |  | — |  |  | — |
Termination benefits | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Net periodic benefit cost | $ | 6,332 |  |  | $ | 11,955 |  |  | $ | 4,836 |  |  | $ | 1,021 |  |  | $ | 999 |  |  | $ | 1,492 |
Schedule Of Amounts Included In Accumulated Other Comprehensive Income Expected To Be Recognized In Net Periodic Benefit Costs | Amounts included in accumulated other comprehensive income expected to be recognized in 2017 net periodic benefit costs.
(In thousands) | Pension Benefits |  | Other Benefits
Loss recognition | $ | 12,255 |  |  | $ | 103 |
Prior service credit recognition | (15 | ) |  | (288 | )
Transition obligation recognition | 1 |  |  | — |
Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] | Information for pension plans with an accumulated benefit obligation in excess of plan assets.
(In thousands) | 2016 |  | 2015
Aggregate accumulated benefit obligations (ABO) | $ | 147,531 |  |  | $ | 147,864 |
Aggregate projected benefit obligations (PBO) | 160,543 |  |  | 161,009 |
Aggregate fair value of plan assets | 26,986 |  |  | 26,844 |
Schedule Of Assumptions Used To Determine Benefit Obligations And Net Periodic Benefit Cost |
| Pension Benefits |  | Other Benefits
| 2016 |  | 2015 |  | 2016 |  | 2015
Assumptions used to determine benefit obligations |  |  |  |  |  |  |
Average discount rate | 3.67 | % |  | 3.92 | % |  | 4.05 | % |  | 4.20 | %
Rate of compensation increase | 2.99 | % |  | 3.06 | % |  | — |  |  | — |
Assumptions used to determine net periodic benefit cost |  |  |  |  |  |  |
Average discount rate | 3.92 | % |  | 3.63 | % |  | 4.20 | % |  | 3.85 | %
Expected return on plan assets | 8.18 | % |  | 8.17 | % |  | — |  |  | — |
Rate of compensation increase | 3.06 | % |  | 3.03 | % |  | — |  |  | — |
Schedule Of Expected Return On Assets For Net Periodic Pension Cost |
| Pension Plan Assets at December 31,
| 2016 |  | 2015
Equity securities | 70 | % |  | 67 | %
Fixed income securities | 20 |  |  | 24 |
Pooled investment funds | 5 |  |  | 5 |
Insurance contracts | 4 |  |  | 3 |
Cash and cash equivalents | 1 |  |  | 1 |
Total | 100 | % |  | 100 | %
Summary Of Pension Plan Assets Measured At Fair Value On A Recurring Basis By Fair Value Hierarchy | The following table summarizes our pension plan assets measured at fair value on a recurring basis by fair value hierarchy level (See Note 18):
| December 31, 2016
(In thousands) | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total Fair Value
Equity securities | $ | 242,161 |  |  | $ | 62,299 |  |  | $ | — |  |  | $ | 304,460 |
Fixed income securities | 25,109 |  |  | 62,667 |  |  | — |  |  | 87,776 |
Pooled investment funds | — |  |  | 20,156 |  |  | — |  |  | 20,156 |
Insurance contracts | — |  |  | — |  |  | 14,948 |  |  | 14,948 |
Cash and cash equivalents | 5,922 |  |  | — |  |  | — |  |  | 5,922 |
Total | $ | 273,192 |  |  | $ | 145,122 |  |  | $ | 14,948 |  |  | $ | 433,262 |
| December 31, 2015
(In thousands) | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total Fair Value
Equity securities | $ | 225,191 |  |  | $ | 55,428 |  |  | $ | — |  |  | $ | 280,619 |
Fixed income securities | 29,903 |  |  | 70,164 |  |  | — |  |  | 100,067 |
Pooled investment funds | — |  |  | 19,345 |  |  | — |  |  | 19,345 |
Insurance contracts | — |  |  | — |  |  | 13,681 |  |  | 13,681 |
Cash and cash equivalents | 5,376 |  |  | — |  |  | — |  |  | 5,376 |
Total | $ | 260,470 |  |  | $ | 144,937 |  |  | $ | 13,681 |  |  | $ | 419,088 |
Schedule Of Reconciliation Of Level 3 Assets | The following table presents a reconciliation of Level 3 assets:
(In thousands) | Insurance Contracts |  | Other
Balance January 1, 2015 | $ | 15,069 |  |  | $ | 753 |
Net realized and unrealized losses included in earnings | (1,526 | ) |  | (64 | )
Net purchases, issuances and settlements | 138 |  |  | (184 | )
Transfers out of Level 3 | — |  |  | (505 | )
Balance December 31, 2015 | 13,681 |  |  | — |
Net realized and unrealized gains included in earnings | 975 |  |  | — |
Net purchases, issuances and settlements | 292 |  |  | — |
Transfers out of Level 3 | — |  |  | — |
Balance December 31, 2016 | $ | 14,948 |  |  | $ | — |

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