Pension and Other Postretirement Benefits - Schedule of Accumulated Other Comprehensive Loss (Pre-Tax) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
U.S. Pension Benefits [Member]
Accumulated other comprehensive loss (pre-tax):
Net actuarial loss	$ 39,562	$ 84,825
Prior service cost	2,154	2,113
Total (pre-tax)	41,716	86,938
Foreign Pension Benefits [Member]
Accumulated other comprehensive loss (pre-tax):
Net actuarial loss	24,386	28,155
Prior service cost	0	0
Total (pre-tax)	24,386	28,155
Other Postretirement Benefits [Member]
Accumulated other comprehensive loss (pre-tax):
Net actuarial loss	2,213	6,403
Prior service cost	142	227
Total (pre-tax)	$ 2,355	$ 6,630