Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 444,037	$ 605,303
Accounts receivable, net	1,286,237	1,221,956
Costs and estimated earnings in excess of billings on uncompleted contracts	110,241	93,061
Inventories	42,724	50,512
Prepaid expenses and other	85,247	73,621
Total current assets	1,968,486	2,044,453
Investments, notes and other long-term receivables	5,865	4,959
Property, plant and equipment, net	123,138	116,631
Goodwill	829,316	566,588
Identifiable intangible assets, net	550,785	343,748
Other assets	29,169	30,691
Total assets	3,506,759	3,107,070
Current liabilities:
Borrowings under revolving credit facility	0	0
Current maturities of long-term debt and capital lease obligations	1,882	1,787
Accounts payable	479,604	490,621
Billings in excess of costs and estimated earnings on uncompleted contracts	390,606	383,527
Accrued payroll and benefits	241,181	224,555
Other accrued expenses and liabilities	178,743	194,029
Total current liabilities	1,292,016	1,294,519
Borrowings under revolving credit facility	400,000	150,000
Long-term debt and capital lease obligations	3,195	4,112
Other long-term obligations	376,347	301,260
Total liabilities	2,071,558	1,749,891
EMCOR Group, Inc. stockholders' equity:
Preferred stock, $0.01 par value, 1,000,000 shares authorized, zero issued and outstanding	0	0
Common stock, $0.01 par value, 200,000,000 shares authorized, 68,121,910 and 68,010,419 shares issued, respectively	681	680
Capital surplus	420,974	416,104
Accumulated other comprehensive loss	(79,789)	(81,040)
Retained earnings	1,092,018	1,022,239
Treasury stock, at cost 996,257 and 1,046,257 shares, respectively	(11,696)	(11,903)
Total EMCOR Group, Inc. stockholders' equity	1,422,188	1,346,080
Noncontrolling interests	13,013	11,099
Total equity	1,435,201	1,357,179
Total liabilities and equity	$ 3,506,759	$ 3,107,070