Restructuring (Tables)

9 Months Ended

Sep. 30, 2011

Restructuring [Abstract]

Components Of Restructuring Charges

	Three months ended September 30, 2011								Nine months ended September 30, 2011
	Accruals			Non-cash     items		Total			Accruals			Non-cash     items		Total
Facilities related charges	$	2,306		$	—	$	2,306		$	2,344		$	—	$	2,344
Employee separation costs		163			—		163			2,853			—		2,853
Asset impairments		(1	)		—		(1	)		(399	)		645		246
Other restructuring charges		31			—		31			40			—		40
	$	2,499		$	—	$	2,499		$	4,838		$	645	$	5,483

Activity In Restructuring Liability For Recent Restructuring Activities

	Employee separation costs			Facilities related charges			Other restructuring charges			Total
Balance at December 31, 2010	$	—		$	35,296		$	—		$	35,296
Accruals (credit)		2,853			2,344			(359	)		4,838
Payments		(2,853	)		(7,949	)		359			(10,443	)
Accretion of sub-lease expense		—			2,473			—			2,473
Balance at September 30, 2011	$	—		$	32,164		$	—		$	32,164