Consolidated Statements of Equity (Deficit) (USD $) In Millions, unless otherwise specified	Total	Common Stock and Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balance at Dec. 31, 2010	$ (68.8)	$ 456.6	$ 31.7	$ (45.9)	$ (518.1)	$ 6.9
Increase (Decrease) in Stockholders' Equity
Net income (loss)	210.7		211.3			(0.6)
Stock plan activity	20.6	12.7		7.9
Other comprehensive income (loss)	(86.8)				(87.0)	0.2
Balance at Sep. 30, 2011	75.7	469.3	243.0	(38.0)	(605.1)	6.5
Balance at Dec. 31, 2011	167.5	473.6	301.1	(36.8)	(578.5)	8.1
Increase (Decrease) in Stockholders' Equity
Net income (loss)	207.0		205.7			1.3
Stock plan activity	59.9	43.7		16.2
Other comprehensive income (loss)	(32.2)				(32.2)
Balance at Sep. 30, 2012	$ 402.2	$ 517.3	$ 506.8	$ (20.6)	$ (610.7)	$ 9.4