Foreign Currency Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2012

Foreign Currency Derivatives [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 in the consolidated statements of operations are as follows (in thousands):

	Year Ended December 31,
	2012			2011			2010
Cost of revenue	$	(2	)	$	(220	)	$	213
Selling, general and administrative	395			(453		)	1,625
Total gain (loss)	$	393		$	(673	)	$	1,838

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 in the consolidated statements of operations are as follows (in thousands):

	Year Ended December 31,
	2012			2011			2010
Cost of revenue	$	13		$	108		$	717
Selling, general and administrative	(997		)	(315		)	(1,471		)
Total loss	$	(984	)	$	(207	)	$	(754	)