Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Weighted Average Assumptions Used to Determine Benefit Obligations (Detail)	Dec. 31, 2012	Dec. 31, 2011
U.S. pension plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.80%	4.60%
Rate of compensation increase	3.50%	3.50%
Non-U.S. pension plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.70%	4.30%
Rate of compensation increase	2.80%	2.80%