Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2012

Equity [Abstract]

Schedule of accumulated other comprehensive income

Accumulated other comprehensive income consisted of the following (in thousands):

	Foreign Currency Adjustments		Unrealized Gains (Losses) on Marketable Securities			Total Accumulated Other Comprehensive Income
Balances at December 31, 2011	$	28,542	$	(15	)	$	28,527
Current period other comprehensive income (loss)	226		16			242
Balances at September 30, 2012	$	28,768	$	1		$	28,769