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Discontinued Operations, Assets Held for Sale and Divestitures (Schedule of Disposal Groups, Including Discontinued Operations (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Impairment of Long-Lived Assets Held-for-use   $ 1.5  
Operating income (1.9)   3.7
Income on sale of discontinued operations 0   5.0
Income from discontinued operations, net of tax (1.9) 0 8.7
Multiemployer Plans, Withdrawal Obligation   $ 1.0