Equity Method Investments (Details 2) - USD ($) $ in Thousands	3 Months Ended				7 Months Ended	9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Jun. 30, 2014	Jun. 30, 2014	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014
Summarized Statement of Operations Information of Brand:
Net revenues		$ 736,178		$ 827,735	$ 1,805,592		$ 2,217,904
Gross profit		154,710		187,272	387,966		486,656
Net income (loss) attributable to Brand Energy & Infrastructure Services, Inc. and Subsidiaries		10,817		18,866	4,259		(1,384)
Equity in income (loss) of unconsolidated entities, net	$ 3,105		$ 5,805			$ (396)		$ 1,057
Infrastructure Transaction Strategic Venture
Summarized Statement of Operations Information of Brand:
Equity in income (loss) of unconsolidated entities, net		$ 3,105		$ 5,770	$ 1,021		$ (396)