Comprehensive Income

9 Months Ended

Sep. 30, 2011

Comprehensive Income [Abstract]

Comprehensive Income

9. Comprehensive Income

     The following table presents the components of comprehensive income for the periods presented (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
Net income	$	19,102	$	14,275	$	46,464	$	28,118
Foreign currency translation (loss) gain		(14,673)		8,889		(9,428)		2,814
Unrealized gain (loss) on available-for-sale securities		—		—		21		(4	)
Comprehensive income	$	4,429	$	23,164	$	37,057	$	30,928