Condensed Consolidated Statements Of Shareholders' Equity (USD $) In Millions, except Share data	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balance at Dec. 31, 2012	$ 0.6	$ 1,076.8	$ 113.1		$ (471.4)	$ 719.1
Common stock shares, balance at Dec. 31, 2012	58,934,050
Stock issuance	274,587
Repurchase of common stock				(261.4)		(261.4)
Repurchase of common stock, shares	(5,057,382)
Repurchase of common stock, shares				5,057,382
Share-based employee compensation		14.7				14.7
Net earnings			83.3			83.3
Other comprehensive income					23.9	23.9	[1]
Balance at Sep. 30, 2013	0.6	1,091.5	196.4	(261.4)	(447.5)	579.6
Treasury stock shares, balance at Sep. 30, 2013				5,057,382
Common stock shares, balance at Sep. 30, 2013	54,151,255
Balance at Dec. 31, 2013	0.6	1,098.4	207.2	(261.4)	(371.6)	673.2
Treasury stock shares, balance at Dec. 31, 2013				5,057,382		5,057,382
Common stock shares, balance at Dec. 31, 2013	54,406,927					54,406,927
Stock issuance	480,540
Share-based employee compensation		26.3				26.3
Net earnings			67.4			67.4
Other comprehensive income					10.0	10.0
Balance at Sep. 30, 2014	$ 0.6	$ 1,124.7	$ 274.6	$ (261.4)	$ (361.6)	$ 776.9
Treasury stock shares, balance at Sep. 30, 2014				5,057,382		5,057,382
Common stock shares, balance at Sep. 30, 2014	54,887,467					54,887,467

[1] Amounts are net of tax