Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2012

Accumulated Other Comprehensive Loss

Schedule of the components of accumulated other comprehensive loss

	Unrecognized						Foreign
	Prior Service			Unrecognized			Currency
	Cost			Loss			Translation			Total
Balance, December 31, 2009	$	1,138		$	(8,192	)	$	1,244		$	(5,810	)
Change in pension and postretirement health liabilities	(758)			(2,331		)	—			(3,089		)
Currency translation	—			—			1,415			1,415
Balance, December 31, 2010	380			(10,523		)	2,659			(7,484		)
Change in pension and postretirement health liabilities	(2		)	(5,200		)	—			(5,202		)
Currency translation	—			—			(444		)	(444		)
Balance, December 31, 2011	378			(15,723		)	2,215			(13,130		)
Change in pension and postretirement health liabilities	447			(1,676		)	—			(1,229		)
Currency translation	—			—			518			518
Balance, December 31, 2012	$	825		$	(17,399	)	$	2,733		$	(13,841	)