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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 |

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