Pension and Other Postretirement Benefits - Amounts Included in Accumulated Other Comprehensive Loss to be Recognized over Next Year (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
U.S. Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	$ 4,156
Prior service cost	826
Total amounts included in accumulated other comprehensive loss to be recognized over next year	4,982
Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	602
Prior service cost	0
Total amounts included in accumulated other comprehensive loss to be recognized over next year	602
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	17
Prior service cost	19
Total amounts included in accumulated other comprehensive loss to be recognized over next year	$ 36