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Retirement Plans (Tables)
12 Months Ended
Dec. 31, 2017
Retirement Plans [Abstract]  
Defined Benefit Plan, Projected Benefit Obligation

The reconciliation of the projected benefit obligations for the plans at December 31, 2017 and 2016 is as follows (in thousands):

2017 2016
U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.
PensionHealthcarePensionPensionHealthcarePension
PlansPlanPlansPlansPlanPlans
Projected benefit obligation, January 1$159,416$14,921$85,311$155,003$12,963$75,677
Service cost4505465,0823774734,954
Employee contributions-1,041605-987584
Interest cost6,8296181,5186,9315571,699
Actuarial losses (gains)8,658942(2,590)2,3385866,510
Benefits paid(5,058)(947)(2,078)(5,233)(645)(2,141)
Plan amendments--636---
Plan settlements(2,231)-(1,229)---
Other plans--196--1,305
Currency impact--8,927--(3,277)
Projected benefit obligation, December 31$168,064$17,121$96,378$159,416$14,921$85,311
Defined Benefit Plan, Accumulated Benefit Obligation

The accumulated benefit obligations for the plans at December 31, 2017 and 2016 are as follows (in thousands):

2017 2016
U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.
PensionHealthcarePensionPensionHealthcarePension
PlansPlanPlansPlansPlanPlans
Accumulated benefit obligation$168,064**$82,615$159,416**$72,618
**Not applicable.
Defined Benefit Plan, Fair Value of Plan Assets

The reconciliation of the fair value of the plan assets at December 31, 2017 and 2016 is as follows (in thousands):

2017 2016
U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.
PensionHealthcarePensionPensionHealthcarePension
PlansPlanPlansPlansPlanPlans
Fair value of plan assets, January 1$144,665$9,142$65,548$136,128$8,001$60,441
Actual return on plan assets27,7291,5423908,6215104,741
Company contributions6,1623474,7335,1492894,579
Employee contributions-1,041605-987584
Plan settlements(2,125)-(915)---
Benefits paid(5,058)(947)(2,078)(5,233)(645)(2,141)
Other plans--(213)--262
Currency impact--6,920--(2,918)
Fair value of plan assets, December 31$171,373$11,125$74,990$144,665$9,142$65,548
Defined Benefit, Funded Status of Plan

The summary of the funded status for the plans at December 31, 2017 and 2016 is as follows (in thousands):

2017 2016
U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.
PensionHealthcarePensionPensionHealthcarePension
PlansPlanPlansPlansPlanPlans
Projected benefit obligation$(168,064)$(17,121)$(96,378)$(159,416)$(14,921)$(85,311)
Fair value of plan assets171,37311,12574,990144,6659,14265,548
Funded status$3,309$(5,996)$(21,388)$(14,751)$(5,779)$(19,763)
Defined Benefit Plan, Amounts Recognized in Balance Sheet

The summary of the amounts recognized in the consolidated balance sheets for the plans at December 31, 2017 and 2016 is as follows (in thousands):

2017 2016
U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.
PensionHealthcarePensionPensionHealthcarePension
PlansPlanPlansPlansPlanPlans
Long-term assets$4,562$-$1,245$-$-$1,084
Current liabilities(76)(347)-(1,343)(289)-
Long-term liabilities(1,177)(5,649)(22,633)(13,408)(5,490)(20,847)
Net amount recognized at December 31$3,309$(5,996)$(21,388)$(14,751)$(5,779)$(19,763)
Defined Benefit Plan, Net Periodic Benefit Cost

The summary of the components of net periodic pension costs for the plans for the years ended December 31, 2017, 2016 and 2015 is as follows (in thousands):

2017 2016 2015
U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.
PensionHealthcarePensionPensionHealthcarePensionPensionHealthcarePension
PlansPlanPlansPlansPlanPlansPlansPlanPlans
Service cost$450$546$5,082$377$473$4,954$-$577$5,087
Interest cost6,8296181,5186,9315571,6996,1284701,503
Expected return on plan
assets(10,298)(587)(1,688)(9,635)(519)(1,596)(9,145)(497)(1,542)
Settlement loss155-232-----95
Net amortization:
Prior service (credit) cost--(168)--(192)--39
Net actuarial loss2,770-9592,702-7533,278-1,031
Net periodic pension
(benefit) cost$(94)$577$5,935$375$511$5,618$261$550$6,213
Defined Beneift Plan, Amounts Recognized in Other Comprehensive Income (Loss)

The summary of the changes in amounts recognized in other comprehensive income (loss) for the plans for the years ended December 31, 2017, 2016 and 2015 is as follows (in thousands):

2017 2016 2015
U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.
PensionHealthcarePensionPensionHealthcarePensionPensionHealthcarePension
PlansPlanPlansPlansPlanPlansPlansPlanPlans
Prior service credit (cost)$-$-$(636)$-$-$-$-$-$645
Net gain (loss) arising
during the year8,879131,609(3,352)(594)(3,361)(6,365)1,1263,025
Amortization:
Prior service (credit) cost--(168)--(192)--39
Net loss2,925-1,1912,702-7533,278-1,126
Other Plans-----(360)---
Currency impact--(2,033)--884--1,760
Total recognized in other
comprehensive income (loss)$11,804$13$(37)$(650)$(594)$(2,276)$(3,087)$1,126$6,595
Defined Benefit Plan, Accumulated Other Comprehensive Income

The summary of the amounts included in accumulated other comprehensive loss in stockholders’ equity for the plans at December 31, 2017 and 2016 is as follows (in thousands):

2017 2016
U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.
PensionHealthcarePensionPensionHealthcarePension
PlansPlanPlansPlansPlanPlans
Net actuarial (loss) gain$(37,682)$588$(18,857)$(49,486)$575$(19,638)
Prior service credit--530--1,348
Total$(37,682)$588$(18,327)$(49,486)$575$(18,290)
Defined Benefit Plan, Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized Over Next Fiscal Year

The summary of the amounts included in accumulated other comprehensive loss expected to be included in next year’s net periodic benefit cost for the plans at December 31, 2017 is as follows (in thousands):

2017
U.S.U.S. RetireeNon-U.S.
PensionHealthcarePension
PlansPlanPlans
Net actuarial loss$(3,075)$-$(685)
Prior service credit--119
Total$(3,075)$-$(566)
Defined Benefit Plan, Actual Plan Asset Allocations

The plans’ investment asset mix is as follows at December 31, 2017 and 2016:

2017 2016
U.S.U.S. RetireeNon-U.S.U.S.U.S. RetireeNon-U.S.
PensionHealthcarePensionPensionHealthcarePension
PlansPlanPlansPlansPlanPlans
Equity securities77%65%7%74%58%7%
Debt securities23%35%16%25%42%18%
Cash and cash equivalents0%0%8%1%0%6%
Insurance contracts and other0%0%69%0%0%69%
Total100%100%100%100%100%100%
Defined Benefit Plan, Target Asset Allocations

The plans’ investment policies include the following asset allocation guidelines:

U.S. Pension and U.S. RetireeNon-U.S.
Healthcare PlansPension Plans
Policy TargetRangePolicy Target
Equity securities70%50%-90%5%
Debt securities25%20%-60%20%
Cash and cash equivalents5%0%-20%10%
Insurance contracts and other0%0%-20%65%
Defined Benefit Plan, Fair Value Measurement of Plan Assets

The fair value of the Company’s retirement plan assets are as follows at December 31, 2017 (in thousands):

Quoted Prices
in ActiveSignificant
MarketsOtherSignificant
Total atfor IdenticalObservableUnobservable
December 31, AssetsInputsInputs
2017(Level 1)(Level 2)(Level 3)
U.S. Pension Plans:
Mutual funds(a)$163,438$163,438$-$-
Total U.S. Pension Plans163,438163,438--
U.S. Retiree Healthcare Plan:
Mutual funds(b)11,12511,125--
Total U.S. Retiree Healthcare Plan11,12511,125--
Non-U.S. Pension Plans:
Cash equivalents(c)5,7835,783--
Mutual funds(d)17,24417,244--
Bank and insurance investment contracts(e)51,963--51,963
Total Non-U.S. Pension Plans74,99023,027-51,963
Total fair value of retirement plan assets249,553$197,590$-$51,963
Investments valued at NAV7,935
Total retirement plan assets$257,488

The fair value of the Company’s retirement plan assets are as follows at December 31, 2016 (in thousands):

Quoted Prices
in ActiveSignificant
MarketsOtherSignificant
Total atfor IdenticalObservableUnobservable
December 31, AssetsInputsInputs
2016(Level 1)(Level 2)(Level 3)
U.S. Pension Plans:
Mutual funds(f)$136,548$136,548$-$-
Cash equivalents(g)728-728-
Total U.S. Pension Plans137,276136,548728-
U.S. Retiree Healthcare Plan:
Mutual funds(h)9,1429,142--
Total U.S. Retiree Healthcare Plan9,1429,142--
Non-U.S. Pension Plans:
Cash equivalents(c)3,7183,718--
Mutual funds(i)16,73716,737--
Bank and insurance investment contracts(e)45,093--45,093
Total Non-U.S. Pension Plans65,54820,455-45,093
Total fair value of retirement plan assets211,966$166,145$728$45,093
Investments valued at NAV7,389
Total retirement plan assets$219,355

  • The mutual fund balance in the U.S. Pension Plans are invested in the following categories: 45% in the common stock of large-cap U.S. companies, 30% in the common stock of international growth companies and 25% in fixed income bonds issued by U.S. companies and by the U.S. government and its agencies.
  • The mutual fund balance in the U.S. Retiree Healthcare Plan is invested in the following categories: 41% in the common stock of large-cap U.S. companies, 24% in the common stock of international growth companies and 35% in fixed income bonds of U.S. companies and U.S. government.
  • Primarily represents deposit account funds held with various financial institutions.
  • The mutual fund balance in the Non-U.S. Pension Plans is primarily invested in the following categories: 58% in international bonds, 32% in the common stock of international companies, 1% in mortgages and real estate and 9% in various other global investments.
  • Amount represents bank and insurance guaranteed investment contracts.
  • The mutual fund balance in the U.S. Pension Plans are invested in the following categories: 35% in the common stock of large-cap U.S. companies, 38% in the common stock of international growth companies and 27% in fixed income bonds issued by U.S. companies and by the U.S. government and its agencies.
  • Primarily represents money market funds held with various financial institutions.
  • The mutual fund balance in the U.S. Retiree Healthcare Plan is invested in the following categories: 38% in the common stock of large-cap U.S. companies, 19% in the common stock of international growth companies and 43% in fixed income bonds of U.S. companies and U.S. government.
  • The mutual fund balance in the Non-U.S. Pension Plans is invested in the following categories: 56% in international bonds and 30% in the common stock of international companies, 8% in mortgages and real estate and 6% in various other global investments.
Defined Benefit Plan, Fair Value of Plan Assets, Unobservable Input Reconciliation

The following table summarizes the changes in fair value of the Level 3 retirement plan assets for the years ended December 31, 2017 and 2016 (in thousands):

Insurance
Guaranteed
Investment
Contracts
Fair value of assets, December 31, 2015$38,943
Net purchases (sales) and appreciation (depreciation)6,150
Fair value of assets, December 31, 201645,093
Net purchases (sales) and appreciation (depreciation)6,870
Fair value of assets, December 31, 2017$51,963
Defined Benefit Plan, Weighted-Average Assumptions Used in Calculating Benefit Obligation

The weighted-average assumptions used to determine the benefit obligation in the consolidated balance sheets at December 31, 2017, 2016 and 2015 are as follows:

2017 2016 2015
U.S.Non-U.S.U.S.Non-U.S.U.S.Non-U.S.
Discount rate3.94%1.79%4.41%1.71%4.59%2.23%
Increases in compensation levels**2.43%**2.47%**2.45%
** Not applicable
Defined Benefit Plan, Weighted-Average Assumptions Used in Calculating Net Periodic Benefit Cost

The weighted-average assumptions used to determine the net periodic pension cost at December 31, 2017, 2016 and 2015 are as follows:

2017 2016 2015
U.S.Non-U.S.U.S.Non-U.S.U.S.Non-U.S.
Discount rate4.28%1.80%4.42%2.20%3.71%1.98%
Return on plan assets6.53%2.64%6.47%2.74%6.35%2.58%
Increases in compensation levels**2.63%**2.50%**2.57%
** Not applicable
Defined Benefit Plan, Estimated Future Benefit Payments

Estimated future benefit payments from the plans as of December 31, 2017 are as follows (in thousands):

U.S. Pension andNon-U.S.
Retiree HealthcarePension
PlansPlansTotal
2018$9,385$2,396$11,781
201910,1141,56311,677
202010,2872,06012,347
202110,7772,08912,866
202210,7492,96313,712
2023 - 202758,78918,21777,006