Amounts Recognized as Other Changes in Plan Assets and Benefit Obligations in Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Total recognized in other comprehensive income (loss)	$ (8,407)	$ 2,042
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss (gain)	(6,737)	1,286
Amortization of actuarial (gain) loss	(421)	(371)
Total recognized in other comprehensive income (loss)	(7,158)	915
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss (gain)	(757)	1,367
Amortization of actuarial (gain) loss	(302)	(260)
Total recognized in other comprehensive income (loss)	(1,059)	1,107
Other Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss (gain)	(173)	(358)
Amortization of actuarial (gain) loss	158	90
Prior service credit	122	128
Total recognized in other comprehensive income (loss)	$ 107	$ (140)