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Discontinued Operations, Assets Held for Sale and Divestitures (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended 12 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Sep. 30, 2013
U.S. Pipe [Member]
Dec. 31, 2014
Subsequent Event [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Proceeds from Sale of Productive Assets $ 1.2 $ 0.1   $ 3.5
Impairment of Long-Lived Assets Held-for-use 1.5      
Proceeds from Divestiture of Businesses     $ 4.5