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 Income [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	212,198
Share-based employee compensation		5.7				5.7
Net earnings			3.0			3.0
Other comprehensive income					7.0	7.0	[1]
Balance at Mar. 31, 2013	0.6	1,082.5	116.1		(464.4)	734.8
Common stock shares, balance at Mar. 31, 2013	59,146,248
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	400,098
Share-based employee compensation		14.0				14.0
Net earnings			16.9			16.9
Other comprehensive income					6.1	6.1	[1]
Balance at Mar. 31, 2014	$ 0.6	$ 1,112.4	$ 224.1	$ (261.4)	$ (365.5)	$ 710.2
Treasury stock shares, balance at Mar. 31, 2014				5,057,382		5,057,382
Common stock shares, balance at Mar. 31, 2014	54,807,025					54,807,025

[1] Amounts are net of tax