Tax Effect of Each Component of Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments, net	$ (28,501)
Foreign currency loss, net	(7,484)
Unrecognized gain on cash flow hedges, net	215
Pension and other postretirement benefit prior service cost and gain or loss, net	2,333
Other comprehensive loss	(33,437)
Foreign currency translation adjustments, net
Foreign currency loss, net	983
Unrecognized gain on cash flow hedges, net	(81)
Pension and other postretirement benefit prior service cost and gain or loss, net	(591)
Other comprehensive loss	311
Foreign currency translation adjustments, net	(28,501)	27,251
Foreign currency loss, net	(6,501)	2,009
Unrecognized gain on cash flow hedges, net	134	46
Pension and other postretirement benefit prior service cost and gain or loss, net	1,742	(350)
Other comprehensive income (loss)	$ (33,126)