CONSOLIDATED CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY CONSOLIDATED CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]
Common stock, shares issued	88.2
Issued and outstanding – 87.8 shares and 87.6 shares, respectively		$ 88.2
Retained earnings	$ 1,856.1
Total accumulated other comprehensive loss	(348.2)			$ (348.2)
Noncontrolling interests					$ 1.7
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,597.8
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest	101.3	$ 0.0		0.0
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures		0.3
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	5.0	$ 0.3	$ 4.7	0.0	0.0
Repurchase of shares of common stock		1.1
Stock Repurchased During Period, Value	55.3	$ 1.1	54.2	0.0	0.0
Cumulative Effect on Retained Earnings, Net of Tax	(4.1)	0.0	(4.1)	0.0	0.0
Dividends, Common Stock, Cash	11.9	0.0	11.9	0.0	0.0
Other Comprehensive Income (Loss), Net of Tax	27.6	0.0	0.0	27.6	0.0
Chane In Equity From Noncontrolling Interest Attributable To Other	$ 0.1	0.0	0.0	0.0	0.1
Common stock, shares issued	87.4
Issued and outstanding – 87.8 shares and 87.6 shares, respectively		87.4
Retained earnings	$ 1,891.8
Total accumulated other comprehensive loss	(320.6)			(320.6)
Noncontrolling interests					1.9
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 1,660.5
Common stock, shares issued	87.6
Issued and outstanding – 87.8 shares and 87.6 shares, respectively	$ 87.6	87.6
Retained earnings	2,110.3
Total accumulated other comprehensive loss	(375.5)			(375.5)
Noncontrolling interests	2.5				2.5
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,824.9
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest	71.4	$ 0.0		0.0
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures		0.6
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	9.5	$ 0.6	8.9	0.0	0.0
Repurchase of shares of common stock		0.4
Stock Repurchased During Period, Value	19.9	$ 0.4	19.5	0.0	0.0
Dividends, Common Stock, Cash	12.9	0.0	12.9	0.0	0.0
Other Comprehensive Income (Loss), Net of Tax	(1.8)	0.0	0.0	(1.8)	0.0
Chane In Equity From Noncontrolling Interest Attributable To Other	$ 0.1	0.0	$ 0.0	0.0	0.1
Common stock, shares issued	87.8
Issued and outstanding – 87.8 shares and 87.6 shares, respectively	$ 87.8	$ 87.8
Retained earnings	2,158.1
Total accumulated other comprehensive loss	(377.3)			$ (377.3)
Noncontrolling interests	2.7				$ 2.7
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 1,871.3