CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
REVENUE	$ 335,540	$ 328,113	$ 1,019,700	$ 922,320
COST OF SERVICES	279,889	279,005	866,793	791,493
Gross profit	55,651	49,108	152,907	130,827
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	46,004	41,493	139,457	126,043
GOODWILL IMPAIRMENT		55,134		55,134
GAIN ON SALE OF ASSETS	(99)	(58)	(554)	(162)
Operating income (loss)	9,746	(47,461)	14,004	(50,188)
OTHER INCOME (EXPENSE):
Interest income	13	16	21	65
Interest expense	(406)	(478)	(1,231)	(1,431)
Changes in the fair value of contingent earn-out obligations	(38)	5,077	(105)	5,566
Other	13	(16)	83	(68)
Other income (expense)	(418)	4,599	(1,232)	4,132
INCOME (LOSS) BEFORE INCOME TAXES	9,328	(42,862)	12,772	(46,056)
INCOME TAX EXPENSE (BENEFIT)	4,003	(6,293)	6,068	(7,479)
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTERESTS	5,325	(36,569)	6,704	(38,577)
Less: Net loss attributable to noncontrolling interests	(348)		(2,408)
NET INCOME (LOSS) ATTRIBUTABLE TO COMFORT SYSTEMS USA, INC.	$ 5,673	$ (36,569)	$ 9,112	$ (38,577)
INCOME (LOSS) PER SHARE ATTRIBUTABLE TO COMFORT SYSTEMS USA, INC.:
Basic (in dollars per share)	$ 0.15	$ (0.98)	$ 0.25	$ (1.03)
Diluted (in dollars per share)	$ 0.15	$ (0.98)	$ 0.24	$ (1.03)
SHARES USED IN COMPUTING INCOME (LOSS) PER SHARE:
Basic (in shares)	37,155	37,325	37,126	37,496
Diluted (in shares)	37,332	37,325	37,265	37,496
DIVIDENDS PER SHARE (in dollars per share)	$ 0.05	$ 0.05	$ 0.15	$ 0.15

This element represents the amount of any change, including any differences arising upon settlement, recognized during the reporting period in the value of a liability, arising from an item of contingent consideration, assumed in a business combination.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7008-128479

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 72

-Subparagraph b

-Clause 1

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.