Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2011

Shareholders' Equity [Abstract]

Components Of Accumulated Other Comprehensive Loss, Net Of Related Taxes

	December 31,
	2011			2010
	(In thousands)
Foreign currency translation adjustments	$	5,843		$	6,554
Unrealized loss on investments		(5,263	)		(7,390	)
Unrealized gain (loss) on cash flow hedges		72			(1,076	)
Unrealized loss on pension liability		(2,902	)		(969	)
Accumulated other comprehensive loss	$	(2,250	)	$	(2,881	)