Segment Information

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Segment Information

Segment Information

We have the following reportable segments which provide services associated with the design, integration, installation, start-up, operation and maintenance of various systems: (a) United States electrical construction and facilities services (involving systems for electrical power transmission and distribution; premises electrical and lighting systems; low-voltage systems, such as fire alarm, security and process control; voice and data communication; roadway and transit lighting; and fiber optic lines); (b) United States mechanical construction and facilities services (involving systems for heating, ventilation, air conditioning, refrigeration and clean-room process ventilation; fire protection; plumbing, process and high-purity piping; controls and filtration; water and wastewater treatment and central plant heating and cooling; cranes and rigging; millwrighting; and steel fabrication, erection and welding); (c) United States building services; (d) United States industrial services; and (e) United Kingdom construction and building services. The segment “United States building services” principally consists of those operations which provide a portfolio of services needed to support the operation and maintenance of customers’ facilities, including commercial and government site-based operations and maintenance; facility maintenance and services; outage services to utilities and industrial plants; military base operations support services; mobile maintenance and services; floor care and janitorial services; landscaping, lot sweeping and snow removal; facilities management; vendor management; call center services; installation and support for building systems; program development, management and maintenance for energy systems; technical consulting and diagnostic services; infrastructure and building projects for federal, state and local governmental agencies and bodies; small modification and retrofit projects; and retrofit projects to comply with clean air laws, which services are not generally related to customers' construction programs. The segment "United States industrial services" principally consists of those operations which provide industrial maintenance and services, mainly for refineries and petrochemical plants, including on-site repairs, maintenance and service of heat exchangers, towers, vessels and piping; design, manufacturing, repair and hydro blast cleaning of shell and tube heat exchangers and related equipment; refinery turnaround planning and engineering services; specialty welding services; overhaul and maintenance of critical process units in refineries and petrochemical plants; and specialty technical services for refineries and petrochemical plants. The United Kingdom construction and building services segment performs electrical construction, mechanical construction and building services.

The following tables have been restated in all periods presented to reflect our new reportable segments (see Note 1, "Basis of Presentation" for further information) and represent information about industry segments and geographic areas for the three months ended March 31, 2014 and 2013 (in thousands):

	For the three months ended March 31,
	2014			2013
Revenues from unrelated entities:
United States electrical construction and facilities services	$	308,136		$	307,584
United States mechanical construction and facilities services	513,011			541,117
United States building services	448,044			455,156
United States industrial services	231,958			145,544
Total United States operations	1,501,149			1,449,401
United Kingdom construction and building services	98,236			119,000
Total worldwide operations	$	1,599,385		$	1,568,401
Total revenues:
United States electrical construction and facilities services	$	314,797		$	309,775
United States mechanical construction and facilities services	519,111			551,784
United States building services	457,964			462,390
United States industrial services	232,474			146,061
Less intersegment revenues	(23,197		)	(20,609		)
Total United States operations	1,501,149			1,449,401
United Kingdom construction and building services	98,236			119,000
Total worldwide operations	$	1,599,385		$	1,568,401

	For the three months ended March 31,
	2014			2013
Operating income (loss):
United States electrical construction and facilities services	$	21,655		$	18,940
United States mechanical construction and facilities services	19,106			11,140
United States building services	20,298			12,880
United States industrial services	23,394			22,747
Total United States operations	84,453			65,707
United Kingdom construction and building services	1,297			1,279
Corporate administration	(15,467		)	(14,358		)
Restructuring expenses	(909		)	(1,363		)
Total worldwide operations	69,374			51,265
Other corporate items:
Interest expense	(2,248		)	(1,862		)
Interest income	234			357
Income before income taxes	$	67,360		$	49,760

	March 31, 2014		December 31, 2013
Total assets:
United States electrical construction and facilities services	$	321,182	$	329,742
United States mechanical construction and facilities services	767,811		795,256
United States building services	762,331		756,785
United States industrial services	974,853		940,916
Total United States operations	2,826,177		2,822,699
United Kingdom construction and building services	160,767		160,828
Corporate administration	420,572		482,388
Total worldwide operations	$	3,407,516	$	3,465,915

Our corporate administration operating loss for the three months ended March 31, 2013 was reduced by the receipt of an insurance recovery of approximately $2.6 million that was received in January 2013 and is associated with a previously disposed of operation, which is classified as a component of "Cost of sales" in the Condensed Consolidated Statements of Operations.