Statement of Shareholder's Deficit (USD $) In Millions, unless otherwise specified	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance at at Dec. 31, 2008	$ (709.3)	$ 129.4	$ 2.3	$ 2,695.3	$ (3,356.5)	$ (177.1)	$ (2.7)
Balance at at Dec. 31, 2008		3.1	228.5				(0.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	89.6				89.6
Pension and postretirement liabilities adjustment	41.0					41.0
Foreign currency translation loss	0
Comprehensive income (loss)	130.6
Shares issued under employee plans			0.9				0
Shares issued under employee plans	0.1						0.1
Shares purchased under employee plans and other			(0.4)				(0.1)
Shares purchased under employee plans and other	(0.9)			(0.8)			(0.1)
Stock-based compensation	8.5			8.5
Repurchase and retirement of shares			(28.0)
Repurchase and retirement of shares	(73.2)		(0.3)	(72.9)
Repurchase of shares	28.0
Repurchase of shares	73.2
Dividends on preferred stock	(10.4)			(10.4)
Balance at at Dec. 31, 2009	(654.6)	129.4	2.0	2,619.7	(3,266.9)	(136.1)	(2.7)
Balance at at Dec. 31, 2009		3.1	201.0				(0.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	28.3				28.3
Pension and postretirement liabilities adjustment	(23.9)					(23.9)
Foreign currency translation loss	0
Comprehensive income (loss)	4.4
Shares issued under employee plans			1.9				0.2
Shares issued under employee plans	1.1			0.5			0.6
Shares purchased under employee plans and other			(0.6)				0
Shares purchased under employee plans and other	(1.6)			(1.6)			0
Stock-based compensation	3.3			3.3
Repurchase and retirement of shares			(4.0)
Repurchase and retirement of shares	(10.0)			(10.0)
Repurchase of shares	4.0
Repurchase of shares	10.0
Dividends on preferred stock	(10.4)			(10.4)
Balance at at Dec. 31, 2010	(667.8)	129.4	2.0	2,601.5	(3,238.6)	(160.0)	(2.1)
Balance at at Dec. 31, 2010		3.1	198.3				(0.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	18.6				18.6
Pension and postretirement liabilities adjustment	(48.8)					(48.8)
Foreign currency translation loss	(0.1)					(0.1)
Comprehensive income (loss)	(30.3)
Shares issued under employee plans			1.5				0
Shares issued under employee plans	0.5			0.4			0.1
Shares purchased under employee plans and other			(0.2)				0
Shares purchased under employee plans and other	(0.5)			(0.5)			0
Stock-based compensation	4.1			4.1
Repurchase and retirement of shares			(3.3)
Repurchase and retirement of shares	(10.8)			(10.5)
Repurchase of shares	3.4						(0.1)
Repurchase of shares	10.8						(0.3)
Dividends on preferred stock	(10.4)			(10.4)
Balance at at Dec. 31, 2011	$ (715.2)	$ 129.4	$ 2.0	$ 2,584.6	$ (3,220.0)	$ (208.9)	$ (2.3)
Balance at at Dec. 31, 2011		3.1	196.3				(0.6)