Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010		Dec. 31, 2009
Net income	$ 82,688	$ 2,141		$ 27,575
Other comprehensive income:
Foreign currency translation adjustment, net of tax	(6,238)	4,335		5,281
Unrealized (losses) gains on cash flow hedges, net of tax	(5,074)
Reclassification adjustment for gains in net income	882
Net change in other comprehensive (loss) income	(10,430)
Comprehensive (loss) income	72,258
As Restated [Member]
Net income		2,141	[1]	27,575	[1]
Other comprehensive income:
Foreign currency translation adjustment, net of tax		4,335	[1]	5,281	[1]
Unrealized (losses) gains on cash flow hedges, net of tax		375	[1]	0	[1]
Reclassification adjustment for gains in net income		0	[1]	0	[1]
Net change in other comprehensive (loss) income		4,710	[1]	5,281	[1]
Comprehensive (loss) income		$ 6,851	[1]	$ 32,856	[1]

[1] As restated - See Note 23 “Restatement of Previously Issued Financial Statements” of Notes to Consolidated Financial Statements.