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Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Weighted Average Assumptions Used to Determine Benefit Obligations (Detail)
Dec. 31, 2015
Dec. 31, 2014
U.S. Pension Plans [Member]    
Benefit obligations    
Discount rate 4.30% 3.90%
Rate of compensation increase 3.00% 3.00%
Non-U.S. Pension Plans [Member]    
Benefit obligations    
Discount rate 2.60% 2.70%
Rate of compensation increase 2.50% 2.70%