CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 32,074	$ 56,464
Accounts receivable, less allowance for doubtful accounts of $4,288 and $5,158, respectively	318,837	302,052
Other receivables	20,363	20,642
Inventories	9,208	7,941
Prepaid expenses and other	6,106	5,836
Costs and estimated earnings in excess of billings	29,369	31,338
Total current assets	415,957	424,273
PROPERTY AND EQUIPMENT, NET	68,195	60,813
GOODWILL	149,208	143,874
IDENTIFIABLE INTANGIBLE ASSETS, NET	42,435	41,079
DEFERRED INCOME TAX ASSETS	27,170	16,276
OTHER NONCURRENT ASSETS	5,938	5,279
Total assets	708,903	691,594
CURRENT LIABILITIES:
Current maturities of long-term debt	600	500
Current maturities of long-term capital lease obligations	163	251
Accounts payable	103,440	106,684
Accrued compensation and benefits	61,712	54,079
Billings in excess of costs and estimated earnings	83,985	85,397
Accrued self-insurance	33,520	29,803
Other current liabilities	34,261	28,677
Total current liabilities	317,681	305,391
LONG-TERM DEBT	1,955	10,500
LONG-TERM CAPITAL LEASE OBLIGATIONS	93	256
DEFERRED INCOME TAX LIABILITIES	2,289	1,810
OTHER LONG-TERM LIABILITIES	10,252	8,632
Total liabilities	332,270	326,589
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Preferred stock, $.01 par, 5,000,000 shares authorized, none issued and outstanding
Common stock, $.01 par, 102,969,912 shares authorized, 41,123,365 and 41,123,365 shares issued, respectively	411	411
Treasury stock, at cost, 3,914,251 and 3,696,781 shares, respectively	(57,387)	(46,845)
Additional paid-in capital	309,625	323,765
Retained earnings	123,984	69,390
Comfort Systems USA, Inc. stockholders' equity	376,633	346,721
Noncontrolling interests		18,284
Total stockholders' equity	376,633	365,005
Total liabilities and stockholders' equity	$ 708,903	$ 691,594