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 – 87.9 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
Less: Income attributable to noncontrolling interests					0.1
Net Income (Loss) Attributable to Parent			$ 101.2
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		0.3
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	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
Less: Income attributable to noncontrolling interests	(0.3)
Net Income (Loss) Attributable to Parent	170.9
Other Comprehensive Income (Loss), Net of Tax	$ (18.4)
Common stock, shares issued	87.4
Issued and outstanding – 87.9 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
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest	69.9	$ 0.0		0.0
Less: Income attributable to noncontrolling interests	(0.2)				(0.2)
Net Income (Loss) Attributable to Parent	69.7		69.7
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		0.2
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	9.9	$ 0.2	9.7	0.0	0.0
Repurchase of shares of common stock		0.0
Stock Repurchased During Period, Value	(0.1)	$ 0.0	(0.1)	0.0	0.0
Dividends, Common Stock, Cash	(11.8)	0.0	(11.8)	0.0	0.0
Other Comprehensive Income (Loss), Net of Tax	(46.0)	0.0	0.0	(46.0)	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	87.6
Issued and outstanding – 87.9 shares and 87.6 shares, respectively		87.6
Retained earnings	$ 1,959.3
Total accumulated other comprehensive loss	(366.6)			(366.6)
Noncontrolling interests					2.0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 1,682.3
Common stock, shares issued	87.6
Issued and outstanding – 87.9 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
Less: Income attributable to noncontrolling interests					0.1
Net Income (Loss) Attributable to Parent			71.3
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		0.6
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	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
Less: Income attributable to noncontrolling interests	(0.3)
Net Income (Loss) Attributable to Parent	138.1
Other Comprehensive Income (Loss), Net of Tax	$ 4.0
Common stock, shares issued	87.8
Issued and outstanding – 87.9 shares and 87.6 shares, respectively		87.8
Retained earnings	$ 2,158.1
Total accumulated other comprehensive loss	(377.3)			(377.3)
Noncontrolling interests					2.7
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,871.3
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest	67.0	$ 0.0		0.0
Less: Income attributable to noncontrolling interests	(0.2)				(0.2)
Net Income (Loss) Attributable to Parent	66.8		66.8
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		0.1
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	7.2	$ 0.1	7.1	0.0	0.0
Repurchase of shares of common stock		0.0
Stock Repurchased During Period, Value	(0.1)	$ 0.0	(0.1)	0.0	0.0
Dividends, Common Stock, Cash	(13.1)	0.0	(13.1)	0.0	0.0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(0.7)	0.0	0.0	0.0	(0.7)
Other Comprehensive Income (Loss), Net of Tax	$ 5.8	0.0	$ 0.0	5.8	0.0
Common stock, shares issued	87.9
Issued and outstanding – 87.9 shares and 87.6 shares, respectively	$ 87.9	$ 87.9
Retained earnings	2,218.8
Total accumulated other comprehensive loss	(371.5)			$ (371.5)
Noncontrolling interests	2.2				$ 2.2
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 1,937.4