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Pension Plans and Other Postretirement Benefits Estimated Amounts to Be Amortized from Accumulated Other Comprehensive Income into Net Periodic Benefit Costs (Details) $ in Thousands | Dec. 31, 2017 USD ($)
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Other Postretirement Benefits |
Defined Benefit Plan Disclosure [Line Items] |
Amortization of prior service benefit | $ (48)
U.S. Plans | Pension Plans |
Defined Benefit Plan Disclosure [Line Items] |
Amortization of prior service benefit | 60
Foreign Plans | Pension Plans |
Defined Benefit Plan Disclosure [Line Items] |
Amortization of prior service benefit | $ 40

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount included in accumulated other comprehensive (income) loss for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (s) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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