Divestiture (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Date			Dec. 17, 2012
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax			$ 58.8
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax [Abstract]
Revenues		12.9
EARNINGS FROM DISCONTINUED OPERATIONS BEFORE INCOME TAXES	0	4.5
Provision for income taxes		1.7
Net earnings from discontinued operations	$ 0	$ 2.8