XML 127 R108.htm IDEA: XBRL DOCUMENT v3.8.0.1
Schedule of Fair Value of Pensions Plan Assets by Asset Category (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Defined Benefit Plan Disclosure      
Total $ 325,800    
Group Annuity Insurance Contracts | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure      
Total 3,166 $ 29,456 $ 29,392
United States Pension Plans, Defined Benefit      
Defined Benefit Plan Disclosure      
Total 324,506 307,304 298,404
United States Pension Plans, Defined Benefit | Quoted Prices in Active Markets for Identical Instruments (Level 1)      
Defined Benefit Plan Disclosure      
Total 3,217 3,023  
United States Pension Plans, Defined Benefit | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure      
Total 318,123 301,210  
United States Pension Plans, Defined Benefit | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure      
Total 3,166 3,071  
United States Pension Plans, Defined Benefit | Corporate Debt Securities      
Defined Benefit Plan Disclosure      
Total 260,294 246,528  
United States Pension Plans, Defined Benefit | Corporate Debt Securities | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure      
Total 260,294 246,528  
United States Pension Plans, Defined Benefit | US Government Debt Securities      
Defined Benefit Plan Disclosure      
Total 25,709 24,322  
United States Pension Plans, Defined Benefit | US Government Debt Securities | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure      
Total 25,709 24,322  
United States Pension Plans, Defined Benefit | Global equity Securities      
Defined Benefit Plan Disclosure      
Total 32,120 30,360  
United States Pension Plans, Defined Benefit | Global equity Securities | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure      
Total 32,120 30,360  
United States Pension Plans, Defined Benefit | Group Annuity Insurance Contracts      
Defined Benefit Plan Disclosure      
Total 3,166 3,071  
United States Pension Plans, Defined Benefit | Group Annuity Insurance Contracts | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure      
Total 3,166 3,071  
United States Pension Plans, Defined Benefit | Cash and Cash Equivalents      
Defined Benefit Plan Disclosure      
Total 3,217 3,023  
United States Pension Plans, Defined Benefit | Cash and Cash Equivalents | Quoted Prices in Active Markets for Identical Instruments (Level 1)      
Defined Benefit Plan Disclosure      
Total 3,217 3,023  
Foreign Pension Plans, Defined Benefit      
Defined Benefit Plan Disclosure      
Total 1,307 27,571 $ 28,141
Foreign Pension Plans, Defined Benefit | Quoted Prices in Active Markets for Identical Instruments (Level 1)      
Defined Benefit Plan Disclosure      
Total   62  
Foreign Pension Plans, Defined Benefit | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure      
Total 1,307 1,124  
Foreign Pension Plans, Defined Benefit | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure      
Total   26,385  
Foreign Pension Plans, Defined Benefit | Group Annuity Insurance Contracts      
Defined Benefit Plan Disclosure      
Total   26,385  
Foreign Pension Plans, Defined Benefit | Group Annuity Insurance Contracts | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure      
Total   26,385  
Foreign Pension Plans, Defined Benefit | Other      
Defined Benefit Plan Disclosure      
Total 1,307 1,124  
Foreign Pension Plans, Defined Benefit | Other | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure      
Total $ 1,307 1,124  
Foreign Pension Plans, Defined Benefit | Cash and Cash Equivalents      
Defined Benefit Plan Disclosure      
Total   62  
Foreign Pension Plans, Defined Benefit | Cash and Cash Equivalents | Quoted Prices in Active Markets for Identical Instruments (Level 1)      
Defined Benefit Plan Disclosure      
Total   $ 62