Quarterly Financial Data (Details) (USD $)	3 Months Ended									12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012		Mar. 31, 2012	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Non-cash postretirement benefits curtailment and settlement gain										$ 0		$ 45,000,000		$ 0
Revenue, Net	194,000,000	194,400,000	227,600,000	207,600,000	198,400,000	208,600,000	228,100,000		219,600,000	823,600,000		854,700,000
Gross Profit	12,800,000	24,000,000	19,200,000	22,100,000	13,300,000	18,200,000	17,600,000		15,600,000	78,100,000		64,700,000		37,900,000
Net income (loss), net of tax	(17,100,000)	(5,700,000)	(6,300,000)	(8,400,000)	(10,500,000)	(3,800,000)	44,000,000	[1]	(7,100,000)	(37,500,000)	[2]	22,600,000	[1]	(73,200,000)
Earnings Per Share, Basic and Diluted	$ 0.93	$ 0.30	$ 0.35	$ 0.45	$ 0.57	$ 0.21	$ (2.38)		$ 0.38	$ 2.03		$ (1.22)
Refund of settlement notice and administrative costs										0		100,000		0
Severance, restructuring costs and special termination benefits										9,900,000		3,800,000		8,000,000
Impairments and restructuring business process re-engineering										2,700,000
Legal Fees										300,000
Moving costs										500,000		100,000		0
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Non-cash postretirement benefits curtailment and settlement gain												$ 45,000,000

[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 $9.9 million in expense related to severance associated with reductions in work force, $2.7 million in business re-engineering costs, $0.3 million related to a contingent legal liability and $0.5 million in moving costs.