Segment Information (Tables)

6 Months Ended

Jun. 30, 2011

Segment Information

Information About Industry Segments And Geographic Areas

	For the three months ended June 30,
	2011			2010
Revenues from unrelated entities:
United States electrical construction and facilities services	$	306,521		$	286,633
United States mechanical construction and facilities services		469,092			427,044
United States facilities services		451,518			375,452
Total United States operations		1,227,131			1,089,129
Canada construction		51,914			78,467
United Kingdom construction and facilities services		120,882			108,053
Other international construction and facilities services		—			—
Total worldwide operations	$	1,399,927		$	1,275,649
Total revenues:
United States electrical construction and facilities services	$	308,285		$	288,564
United States mechanical construction and facilities services		470,863			428,429
United States facilities services		457,170			380,442
Less intersegment revenues		(9,187	)		(8,306	)
Total United States operations		1,227,131			1,089,129
Canada construction		51,914			78,467
United Kingdom construction and facilities services		120,882			108,053
Other international construction and facilities services		—			—
Total worldwide operations	$	1,399,927		$	1,275,649

	For the six months ended June 30,
	2011			2010
Revenues from unrelated entities:
United States electrical construction and facilities services	$	575,053		$	546,953
United States mechanical construction and facilities services		891,405			839,752
United States facilities services		901,039			722,292
Total United States operations		2,367,497			2,108,997
Canada construction		98,902			156,726
United Kingdom construction and facilities services		245,759			222,138
Other international construction and facilities services		—			—
Total worldwide operations	$	2,712,158		$	2,487,861
Total revenues:
United States electrical construction and facilities services	$	578,007		$	550,482
United States mechanical construction and facilities services		895,714			842,920
United States facilities services		910,362			731,692
Less intersegment revenues		(16,586	)		(16,097	)
Total United States operations		2,367,497			2,108,997
Canada construction		98,902			156,726
United Kingdom construction and facilities services		245,759			222,138
Other international construction and facilities services		—			—
Total worldwide operations	$	2,712,158		$	2,487,861

	For the three months ended June 30,
	2011			2010
Operating income (loss):
United States electrical construction and facilities services	$	26,425		$	17,189
United States mechanical construction and facilities services		22,690			24,133
United States facilities services		14,848			19,636
Total United States operations		63,963			60,958
Canada construction		(929	)		3,684
United Kingdom construction and facilities services		3,773			6,133
Other international construction and facilities services		—			(98	)
Corporate administration		(17,553	)		(15,003	)
Restructuring expenses		(138	)		(797	)
Impairment loss on identifiable intangible assets		—			(19,929	)
Total worldwide operations		49,116			34,948
Other corporate items:
Interest expense		(2,817	)		(3,053	)
Interest income		492			680
Gain on sale of equity investment		—			7,900
Income before income taxes	$	46,791		$	40,475
	For the six months ended June 30,
	2011			2010
Operating income (loss):
United States electrical construction and facilities services	$	40,846		$	26,409
United States mechanical construction and facilities services		45,986			48,951
United States facilities services		30,159			33,721
Total United States operations		116,991			109,081
Canada construction		(428	)		7,005
United Kingdom construction and facilities services		6,393			9,368
Other international construction and facilities services		—			(99	)
Corporate administration		(30,403	)		(27,362	)
Restructuring expenses		(1,099	)		(797	)
Impairment loss on identifiable intangible assets		—			(19,929	)
Total worldwide operations		91,454			77,267
Other corporate items:
Interest expense		(5,563	)		(6,176	)
Interest income		1,054			1,412
Gain on sale of equity investment		—			7,900
Income before income taxes	$	86,945		$	80,403

	June 30, 2011		December 31, 2010
Total assets:
United States electrical construction and facilities services	$	311,395	$	295,091
United States mechanical construction and facilities services		675,518		577,299
United States facilities services		1,208,728		866,044
Total United States operations		2,195,641		1,738,434
Canada construction		96,939		103,000
United Kingdom construction and facilities services		211,142		201,620
Other international construction and facilities services		—		—
Corporate administration		392,852		712,488
Total worldwide operations	$	2,896,574	$	2,755,542