Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income including noncontrolling interests		$ 34,354	$ 32,710
Other comprehensive income, net of tax:
Foreign currency translation adjustments		(47)	181
Post retirement plans, amortization of actuarial loss included in net income	[1]	477	542
Other comprehensive income		430	723
Comprehensive income		34,784	33,433
Less: Comprehensive (income) loss attributable to noncontrolling interests		(6)	139
Comprehensive income attributable to EMCOR Group, Inc.		$ 34,778	$ 33,572

[1] Net of tax of $0.1 million and $0.2 million for the three months ended March 31, 2016 and 2015, respectively.