Amount of Income Tax (Expense) Benefit Allocated to Component of Other Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012
Other Comprehensive Income (Loss) [Line Items]
Foreign Currency Translation, Other comprehensive (loss) income, before tax	$ 4,470		$ (57,622)	$ (29,782)		$ (28,702)
Foreign Currency Translation, Income tax benefit (expense)	771		1,740	1,114		1,832
Foreign Currency Translation, Other comprehensive (loss) income, net of tax	5,241		(55,882)	(28,668)		(26,870)
Pension and Post-retirement Benefits, Other comprehensive income (loss), before tax	(318)		(244)	(392)		(530)
Pension and Post-retirement Benefits, Income tax benefit (expense)	(12)		90	(12)		196
Pension and Post-retirement Benefits, Other comprehensive (loss) income, net of tax	(330)	[1]	(154)	(404)	[1]	(334)
Other, Other comprehensive (loss) income, before tax	49		51	101		106
Other, Income tax benefit (expense)	(20)		(20)	(40)		(40)
Other, Other comprehensive (loss) income, net of tax	$ 29		$ 31	$ 61		$ 66

[1] Amounts reclassified from accumulated other comprehensive income consist of amortization of prior service benefit. See Note 10, "Pension Plans and Other Postretirement Benefits."