Acquisitions and Dispositions (Details) (USD $)
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9 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | |||
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Sep. 30, 2014
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Sep. 30, 2013
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Dec. 31, 2013
Harsco Infrastructure Segment
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Sep. 30, 2014
Harsco Infrastructure Segment
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Sep. 30, 2014
Harsco Infrastructure Segment
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Dec. 31, 2013
Harsco Infrastructure Segment
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Sep. 30, 2014
Harsco Infrastructure Segment
Infrastructure Transaction Strategic Venture [Member]
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Nov. 26, 2013
Harsco Infrastructure Segment
Infrastructure Transaction Strategic Venture [Member]
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||||||
Proceeds from the Infrastructure Transaction | $ 15,699,000 | $ 0 | $ 300,000,000 | |||||
Percentage of equity interest in the strategic venture entered into as a result of the transaction | 29.00% | 29.00% | ||||||
Gain (Loss) on Disposition of Business | 3,900,000 | 271,300,000 | ||||||
Transaction related expenses | $ 100,000 | $ 1,700,000 |