Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011 As Restated [Member]		Sep. 30, 2011 As Restated [Member]
Net income	$ 11,051	$ 26,355	$ 18,287	[1]	$ 79,113	[1]
Other comprehensive income:
Foreign currency translation adjustment, net of tax	4,104	1,900	(8,070)	[1]	(4,943)	[1]
Unrealized gains (losses) on cash flow hedges, net of tax	973	556	(2,801)	[1]	(2,906)	[1]
Reclassification adjustment for (gains) losses in net income	985	3,700	(54)	[1]	(120)	[1]
Other comprehensive income (loss)	6,062	6,156	(10,925)	[1]	(7,969)	[1]
Comprehensive income	$ 17,113	$ 32,511	$ 7,362	[1]	$ 71,144	[1]

[1] (1) As restated - See Note 14 “Restatement of Previously Issued Financial Statements” of Notes to Condensed Consolidated Financial Statements.See notes to Condensed Consolidated Financial Statements.