Consolidated Statements of Equity (Deficit) (USD $) In Millions, unless otherwise specified	Total	Common Stock and Paid-in Capital	Retained Earnings (Accumulated Deficit)	Treasury Stock	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balance at Dec. 31, 2009	$ (290.5)	$ 446.6	$ (175.4)	$ (55.9)	$ (514.5)	$ 8.7
Increase (Decrease) in Stockholders' Equity Roll Forward
Net income	207.4	0	207.1	0	0	0.3
Stock plan activity	20.0	10.0	0	10.0	0	0
Other comprehensive income (loss)	(5.7)	0	0	0	(3.6)	(2.1)
Balance at Dec. 31, 2010	(68.8)	456.6	31.7	(45.9)	(518.1)	6.9
Increase (Decrease) in Stockholders' Equity Roll Forward
Net income	268.8	0	269.4	0	0	(0.6)
Stock plan activity	26.1	17.0	0	9.1	0	0
Other comprehensive income (loss)	(58.6)	0	0	0	(60.4)	1.8
Balance at Dec. 31, 2011	167.5	473.6	301.1	(36.8)	(578.5)	8.1
Increase (Decrease) in Stockholders' Equity Roll Forward
Net income	95.1	0	94.1	0	0	1.0
Stock plan activity	83.7	63.7	0	20.0	0	0
Other comprehensive income (loss)	(28.0)	0	0	0	(28.8)	0.8
Balance at Dec. 31, 2012	$ 318.3	$ 537.3	$ 395.2	$ (16.8)	$ (607.3)	$ 9.9