Comprehensive Income and Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2011

Accumulated Other Comprehensive (Loss) Income

Components of accumulated other comprehensive income

	December 31,
	2011			2010
Cumulative foreign currency translation adjustment	$	(2,363	)	$	(413	)
Unrealized gain on foreign currency hedging, net of tax		633			1,564
Unrealized gain on short-term investments, net of tax		—			2
Accumulated other comprehensive (loss) income	$	(1,730	)	$	1,153