Restructuring Charges (Tables)

3 Months Ended

Mar. 31, 2012

Restructuring Plan 2011

Restructuring Charges.

Summary of changes in the liability related to the restructuring plan included in accounts payable and accrued expenses

	Employee separation costs			Consolidation of leased facilities			Total
Balance at December 31, 2011	$	4,530		$	4,337		$	8,867
Utilized - cash	(3,140		)	(336		)	(3,476		)
Other	(4		)	(11		)	(15		)
Balance at March 31, 2012	$	1,386		$	3,990		$	5,376

Fourth Quarter 2010 | U.S. Operations

Restructuring Charges.

Summary of changes in the liability related to the restructuring plan included in accounts payable and accrued expenses

	Consolidation of leased facilities			Total
Balance at December 31, 2011	$	2,553		$	2,553
Utilized—cash	(99		)	(99		)
Balance at March 31, 2012	$	2,454		$	2,454

2009 restructuring plan

Restructuring Charges.

Summary of changes in the liability related to the restructuring plan included in accounts payable and accrued expenses

	Employee separation costs			Consolidation of leased facilities			Total
Balance at December 31, 2011	$	53		$	235		$	288
Utilized—cash	(26		)	(178		)	(204		)
Other	—			—			—
Balance at March 31, 2012	$	27		$	57		$	84