Foreign Currency Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Foreign Currency Derivative Instruments [Abstract]

Schedule of gains (losses) on foreign currency forward contracts

The net gains and losses on foreign currency forward contracts included in cost of revenue and selling, general and administrative expense are as follows (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Cost of revenue	$	—		$	(122	)	$	—		$	(238	)
Selling, general and administrative		(1,984	)		1,958			(1,232	)		2,015
Total gain (loss)	$	(1,984	)	$	1,836		$	(1,232	)	$	1,777

Schedule of foreign currency gains and losses on underlying assets and liabilities

Foreign currency gains and losses on those underlying monetary assets and liabilities included in cost of revenue and selling, general and administrative expense are as follows (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Cost of revenue	$	(17	)	$	138		$	(1	)	$	223
Selling, general and administrative		1,993			(2,088	)		1,125			(2,189	)
Total gain (loss)	$	1,976		$	(1,950	)	$	1,124		$	(1,966	)