Employee Benefits - Amounts Expected to be Recognized in Net Periodic Cost (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss recognition	$ 23,171
Prior service cost recognition	308
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss recognition	9,765
Prior service cost recognition	15
Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss recognition	2,060
Prior service cost recognition	$ (4,712)