Equity Method Investments (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended				7 Months Ended		9 Months Ended
	Sep. 30, 2014	Jun. 30, 2014		Sep. 30, 2013	Jun. 30, 2014		Sep. 30, 2014	Sep. 30, 2013
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Equity Method Investment, Summarized Financial Information, Net Revenue		$ 827,735			$ 1,805,592
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss)		187,272			387,966
Equity Method Investment, Summarized Financial Information, Net Income (Loss)		18,866			4,259
Equity in income of unconsolidated entities, net	5,295			434			1,057	1,015
Infrastructure Transaction Strategic Venture [Member]
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Equity in income of unconsolidated entities, net		$ 5,260	[1]		$ 1,021	[1]

[1] (a) The Company's equity method investment in Brand began on November 26, 2013; accordingly, there is only approximately seven months of related equity income. The results of the Harsco Infrastructure Segment from January 1, 2013 through the date of closing are reported in the Company's results of operations for 2013.