COMPREHENSIVE (LOSS) INCOME (Schedule of Comprehensive Loss Income) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net income	$ 13,211	$ 11,243	$ 28,418	$ 23,429
Foreign currency translation adjustment	4,051	(17,712)	(106)	688
Change in unrealized gain on derivatives, net of tax	(154)	(1,439)	(290)	(2,372)
Pension liability adjustment, net of tax	(2)	14	(6)	200
Comprehensive income (loss)	$ 17,106	$ (7,894)	$ 28,016	$ 21,945