Quarterly Financial Data (Details) (USD $)	3 Months Ended									12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012		Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Quarterly Financial Information Disclosure [Abstract]
Non-cash postretirement benefits curtailment and settlement gain										$ 45,000,000		$ 0		$ 7,000,000
Revenue, Net	198,400,000	208,600,000	228,100,000		219,600,000	174,400,000	198,300,000	248,800,000	242,900,000	854,700,000		864,400,000
Gross Profit	13,300,000	18,200,000	17,600,000		15,600,000	(1,000,000)	5,000,000	14,500,000	19,400,000	64,700,000		37,900,000		84,300,000
Net income (loss), net of tax	(10,500,000)	(3,800,000)	44,000,000	[1]	(7,100,000)	(34,100,000)	(21,800,000)	(8,900,000)	(8,400,000)	22,600,000	[1]	(73,200,000)	[2]	(56,800,000)
Earnings Per Share, Basic and Diluted	$ (0.57)	$ (0.21)	$ 2.38		$ (0.38)	$ (1.85)	$ (1.18)	$ (0.48)	$ (0.45)	$ 1.22		$ (3.96)
Refund of settlement notice and administrative costs										100,000		0		0
Severance, restructuring costs and special termination benefits										3,800,000		8,000,000		2,500,000
Moving costs										100,000		0		0
Environmental reserve on sold building										600,000		100,000		1,200,000
Other Asset Impairment Charges										$ 0		$ 400,000		$ 400,000

[1] Includes curtailment gain related to termination of certain postretirement benefits for salaried employees and retirees, which resulted in a non-cash gain of $45.0 million as well as $0.1 million refund for a settlement notice and administrative costs, partially offset by $3.8 million in expense related to severance associated with reductions in work force and $0.1 million in moving costs.

[2] Includes the effects of $8.0 million in expenses related to severance associated with reductions in force, $0.1 million for additional estimated environmental reserve associated with the remediation activities at our former Tecumseh, Michigan facility and an impairment of assets for $0.4 million.