Exit and Realignment Costs (Tables)

12 Months Ended

Dec. 31, 2013

Restructuring and Related Activities [Abstract]

Accrual for Exit and Realignment Costs

	Lease obligations			Severance and Other			Total
Accrued exit and realignment charges, January 1, 2011	$	—		$	—		$	—
Provision for exit and realignment activities	8,362			3,002			11,364
Cash payments, net of sublease income	(98		)	(1,171		)	(1,269		)
Accrued exit and realignment charges, December 31, 2011	8,264			1,831			10,095
Provision for exit and realignment activities	95			1,088			1,183
Change in estimate	(2,183		)	—			(2,183		)
Interest accretion	267			—			267
Cash payments, net of sublease income	(1,345		)	(1,803		)	(3,148		)
Accrued exit and realignment charges, December 31, 2012	5,098			1,116			6,214
Provision for exit and realignment activities	2,932			128			3,060
Cash payments, net of sublease income	(5,596		)	(769		)	(6,365		)
Accrued exit and realignment charges, December 31, 2013	$	2,434		$	475		$	2,909