Consolidated Statements of Stockholders' Equity (USD $) In Millions, except Share data	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Comprehensive Loss [Member]	Redeemable Non-Controlling Interest [Member]
Balance, Beginning Value, Shares at Dec. 31, 2008		116,900,000	13,600,000
Balance, Beginning Value at Dec. 31, 2008	$ 1,185.8	$ 116.9	$ (297.3)	$ 441.3	$ 1,023.0	$ (98.1)	$ 18.7
Net income (loss)	(120.9)				(120.9)		(0.9)
Issuance of shares for employee stock plans and other purposes and other transactions	9.0		11.2	(2.2)
Issuance of shares for employee stock plans and other purposes and other transactions			(500,000)
Compensation expense associated with stock awards	1.7			1.7
Issuance of shares for public offering		20,700,000
Proceeds from Warrant Exercises		2.1
Stock Issued During Period, Shares, Conversion of Convertible Securities		2,100,000
Proceeds from Issuance of Common Stock	132.3	20.7		111.6
Warrants exercised, Adjustments to Additional Paid in Capital	13.5			11.4
Tax benefit of employee stock plan transactions	(1.4)			(1.4)
Other comprehensive income (loss)	33.5					33.5	3.3
Balance, Ending Value, Shares at Dec. 31, 2009		139,700,000	13,100,000
Balance, Ending Value at Dec. 31, 2009	1,253.5	139.7	(286.1)	562.4	902.1	(64.6)	21.1
Net income (loss)	(39.0)				(39.0)		0.4
Issuance of shares for employee stock plans and other purposes and other transactions	7.0		6.2	0.8
Issuance of shares for employee stock plans and other purposes and other transactions			(200,000)
Compensation expense associated with stock awards	1.7			1.7
Issuance of shares for public offering	5,100,000
Stock Issued During Period, Shares, Conversion of Convertible Securities		5,100,000
Proceeds from Issuance of Common Stock	0	5.1
Warrants exercised, Adjustments to Additional Paid in Capital	0			(5.1)
Tax benefit of employee stock plan transactions	(0.4)			(0.4)
Other comprehensive income (loss)	(5.0)					(5.0)	1.3
Balance, Ending Value, Shares at Dec. 31, 2010		144,800,000	12,900,000
Balance, Ending Value at Dec. 31, 2010	1,217.8	144.8	(279.9)	559.4	863.1	(69.6)	22.8
Net income (loss)	(181.3)				(181.3)		0.2
Issuance of shares for employee stock plans and other purposes and other transactions	5.5		5.5	0
Issuance of shares for employee stock plans and other purposes and other transactions			(200,000)
Compensation expense associated with stock awards	1.3			1.3
Issuance of shares for public offering	5,000,000
Stock Issued During Period, Shares, Conversion of Convertible Securities		5,000,000
Proceeds from Issuance of Common Stock	0	5.0
Warrants exercised, Adjustments to Additional Paid in Capital	0			(5.0)
Redemption of redeemable non-controlling interest	0.4			(5.2)		5.6	(24.0)
Other Comprehensive Income Loss Before Redemption Of Redeemable Non Controlling Interest Net Of Tax	(42.2)					(42.2)
Tax benefit of employee stock plan transactions	(0.6)			(0.6)
Other comprehensive income (loss)	(36.6)						1.0
Balance, Ending Value, Shares at Dec. 31, 2011		149,800,000	12,700,000
Balance, Ending Value at Dec. 31, 2011	$ 1,000.9	$ 149.8	$ (274.4)	$ 549.9	$ 681.8	$ (106.2)	$ 0