Consolidated Statements of Equity (unaudited) (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, 2012	$ 319.8	$ 537.3	$ (240.3)	$ (16.8)	$ 29.7	$ 9.9
Increase (Decrease) in Stockholders' Equity
Net income	150.2	0		0	0	0.8
Net Income (Loss) Available to Common Stockholders, Basic	149.4		149.4
Payments for Repurchase of Common Stock	0
Stock plan activity	7.7	7.7	0	0	0	0
Stock Issued During Period, Value, Stock Options Exercised	25.2	13.3	0	11.9	0	0
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	0.8	0.8	0	0	0	0
Other comprehensive income	(20.7)	0	0	0	(20.5)	(0.2)
Balance at Jun. 30, 2013	483.0	559.1	(90.9)	(4.9)	9.2	10.5
Balance at Dec. 31, 2013	571.2	534.2	15.8	0	10.6	10.6
Increase (Decrease) in Stockholders' Equity
Net income	187.0	0	186.3	0	0	0.7
Net Income (Loss) Available to Common Stockholders, Basic	186.3
Payments for Repurchase of Common Stock	(233.7)	0	0	(233.7)	0	0
Stock plan activity	6.5	6.5	0	0	0	0
Stock Issued During Period, Value, Stock Options Exercised	12.5	(0.9)	0	13.4	0	0
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	0.5	0.5	0	0	0	0
Shares issued	1.9	1.9	0	0	0	0
Other comprehensive income	24.9	0	0	0	24.8	0.1
Balance at Jun. 30, 2014	$ 570.8	$ 542.2	$ 202.1	$ (220.3)	$ 35.4	$ 11.4