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v3.20.2

Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | $ 2,201,714 | $ 2,287,741 | $ 6,515,567 | $ 6,770,671 |
Total revenues | 2,201,714 | 2,287,741 | 6,515,567 | 6,770,671 |
Operating income (loss) | 135,855 | 115,749 | 119,212 | 338,018 |
Restructuring expenses | (536) | (119) | (605) | (567) |
Impairment loss on goodwill, identifiable intangible assets, and other long-lived assets | 0 | 0 | (232,750) | 0 |
Net periodic pension (cost) income | 751 | 381 | 2,211 | 1,187 |
Interest expense, net | (1,484) | (2,678) | (6,082) | (8,732) |
Income before income taxes | 135,122 | 113,452 | 115,341 | 330,473 |
Total assets | 4,829,985 |  | 4,829,985 |  | $ 4,830,358
Intersegment Eliminations [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | (33,112) | (40,806) | (85,779) | (99,491) |
Corporate, Non-Segment [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income (loss) | (24,454) | (24,341) | (70,022) | (74,062) |
Total assets | 735,977 |  | 735,977 |  | 451,627
UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 2,091,639 | 2,190,113 | 6,199,998 | 6,452,962 |
Total revenues | 2,091,639 | 2,190,113 | 6,199,998 | 6,452,962 |
Operating income (loss) | 155,518 | 135,455 | 406,147 | 398,276 |
Total assets | 3,887,092 |  | 3,887,092 |  | 4,197,584
UNITED STATES | United States Electrical Construction And Facilities Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 508,863 | 554,637 | 1,479,973 | 1,652,109 |
UNITED STATES | United States Mechanical Construction And Facilities Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 891,509 | 869,188 | 2,516,062 | 2,444,683 |
UNITED STATES | United States Building Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 551,555 | 532,122 | 1,542,054 | 1,567,899 |
UNITED STATES | United States Industrial Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 139,712 | 234,166 | 661,909 | 788,271 |
UNITED STATES | Operating Segments [Member] | United States Electrical Construction And Facilities Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 510,679 | 555,928 | 1,483,380 | 1,654,819 |
Total revenues | 511,257 | 556,088 | 1,484,414 | 1,655,147 |
Operating income (loss) | 47,059 | 33,630 | 123,146 | 120,380 |
Restructuring expenses |  |  | (268) | 0 |
Total assets | 762,516 |  | 762,516 |  | 834,802
UNITED STATES | Operating Segments [Member] | United States Mechanical Construction And Facilities Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 893,667 | 872,178 | 2,521,074 | 2,452,820 |
Total revenues | 896,551 | 877,571 | 2,528,395 | 2,465,287 |
Operating income (loss) | 80,048 | 61,213 | 192,156 | 156,152 |
Restructuring expenses |  |  | (268) | 0 |
Total assets | 1,532,550 |  | 1,532,550 |  | 1,536,325
UNITED STATES | Operating Segments [Member] | United States Building Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 573,299 | 550,002 | 1,599,226 | 1,622,509 |
Operating income (loss) | 38,205 | 35,051 | 85,421 | 90,535 |
Restructuring expenses |  |  | (69) | (567) |
Total assets | 1,068,399 |  | 1,068,399 |  | 996,664
UNITED STATES | Operating Segments [Member] | United States Industrial Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 143,644 | 247,258 | 673,742 | 809,510 |
Operating income (loss) | (9,794) | 5,561 | 5,424 | 31,209 |
Total assets | 523,627 |  | 523,627 |  | 829,793
UNITED STATES | Operating Segments [Member] | Corporate, Non-Segment [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Restructuring expenses |  |  | 0 | 0 |
UNITED STATES | Intersegment Eliminations [Member] | United States Electrical Construction And Facilities Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | (1,816) | (1,291) | (3,407) | (2,710) |
UNITED STATES | Intersegment Eliminations [Member] | United States Mechanical Construction And Facilities Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | (2,158) | (2,990) | (5,012) | (8,137) |
UNITED KINGDOM | United Kingdom Building Services [Member] [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 110,075 | 97,628 | 315,569 | 317,709 |
UNITED KINGDOM | Operating Segments [Member] | United Kingdom Building Services [Member] [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 110,075 | 97,628 | 315,569 | 317,709 |
Operating income (loss) | 5,327 | $ 4,754 | 16,442 | $ 14,371 |
Total assets | $ 206,916 |  | $ 206,916 |  | $ 181,147

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