Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2011

Stockholders' Equity [Abstract]

Accumulated Other Comprehensive Income

	September 30,			December 31,
	2011			2010
	(In thousands)
Foreign currency translation	$	18,776		$	23,010
Unrealized gain on marketable debt securities		1,830			4,794
Other		(1,369	)		(936	)
Total accumulated other comprehensive income	$	19,237		$	26,868