Segment Information (Tables)

6 Months Ended

Jun. 30, 2013

Segment Reporting [Abstract]

Information About Industry Segments And Geographic Areas

The following tables present information about industry segments and geographic areas for the three and six months ended June 30, 2013 and 2012 (in thousands):

	For the three months ended June 30,
	2013			2012
Revenues from unrelated entities:
United States electrical construction and facilities services	$	336,330		$	295,846
United States mechanical construction and facilities services	583,963			626,617
United States facilities services	527,394			527,733
Total United States operations	1,447,687			1,450,196
United Kingdom construction and facilities services	109,066			139,839
Total worldwide operations	$	1,556,753		$	1,590,035
Total revenues:
United States electrical construction and facilities services	$	343,335		$	305,553
United States mechanical construction and facilities services	598,847			631,850
United States facilities services	541,650			531,984
Less intersegment revenues	(36,145		)	(19,191		)
Total United States operations	1,447,687			1,450,196
United Kingdom construction and facilities services	109,066			139,839
Total worldwide operations	$	1,556,753		$	1,590,035

NOTE 12 Segment Information - (Continued)

	For the six months ended June 30,
	2013			2012
Revenues from unrelated entities:
United States electrical construction and facilities services	$	643,914		$	586,383
United States mechanical construction and facilities services	1,125,080			1,200,820
United States facilities services	1,128,094			1,060,623
Total United States operations	2,897,088			2,847,826
United Kingdom construction and facilities services	228,066			280,730
Total worldwide operations	$	3,125,154		$	3,128,556
Total revenues:
United States electrical construction and facilities services	$	653,110		$	600,361
United States mechanical construction and facilities services	1,150,631			1,209,416
United States facilities services	1,150,101			1,071,737
Less intersegment revenues	(56,754		)	(33,688		)
Total United States operations	2,897,088			2,847,826
United Kingdom construction and facilities services	228,066			280,730
Total worldwide operations	$	3,125,154		$	3,128,556

	For the three months ended June 30,
	2013			2012
Operating income (loss):
United States electrical construction and facilities services	$	25,236		$	22,409
United States mechanical construction and facilities services	18,248			29,506
United States facilities services	20,028			16,022
Total United States operations	63,512			67,937
United Kingdom construction and facilities services	(4,537		)	3,962
Corporate administration	(17,063		)	(15,610		)
Restructuring expenses	(5,813		)	—
Total worldwide operations	36,099			56,289
Other corporate items:
Interest expense	(1,764		)	(1,878		)
Interest income	270			368
Income before income taxes	$	34,605		$	54,779

NOTE 12 Segment Information - (Continued)

	For the six months ended June 30,
	2013			2012
Operating income (loss):
United States electrical construction and facilities services	$	44,176		$	45,975
United States mechanical construction and facilities services	29,388			52,329
United States facilities services	55,655			27,451
Total United States operations	129,219			125,755
United Kingdom construction and facilities services	(3,258		)	7,444
Corporate administration	(31,421		)	(30,721		)
Restructuring expenses	(7,176		)	—
Total worldwide operations	87,364			102,478
Other corporate items:
Interest expense	(3,626		)	(3,653		)
Interest income	627			784
Income before income taxes	$	84,365		$	99,609

	June 30, 2013		December 31, 2012
Total assets:
United States electrical construction and facilities services	$	336,221	$	283,997
United States mechanical construction and facilities services	821,900		785,286
United States facilities services	1,170,654		1,200,288
Total United States operations	2,328,775		2,269,571
United Kingdom construction and facilities services	183,425		214,455
Corporate administration	593,136		623,044
Total worldwide operations	$	3,105,336	$	3,107,070