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Defined Contribution Plans, Pension and Other Post-Retirement Benefit Plans - Weighted-Average Assumptions Used to Determine Benefit Obligations (Detail)
Dec. 31, 2016
Dec. 31, 2015
U.S. Pension and Other Post-Retirement Benefit Plans    
Schedule of Benefit Obligations Weighted Average Assumptions [Line Items]    
Discount rate 3.87% 4.05%
Non-U.S. Pension Plans    
Schedule of Benefit Obligations Weighted Average Assumptions [Line Items]    
Discount rate 2.70% 3.90%