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Discontinued Operations - Narrative (Details) (Iron Castings Business, USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Sep. 30, 2014
Subsequent Event [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Expected cash exit costs   $ 1.7
Severance Costs $ 1.2