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v3.22.4

Segment Information (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) Company | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | $ 11,076,120 | $ 9,903,580 | $ 8,797,061
Total revenues | 11,076,120 | 9,903,580 | 8,797,061
Operating income (loss) | 564,877 | 530,800 | 256,834
Restructuring expenses | 0 | 0 | (2,214)
Impairment loss on goodwill, identifiable intangible assets, and long-lived assets | 0 | 0 | (232,750)
Net periodic pension (cost) income | 4,311 | 3,625 | 2,980
Interest expense | (13,199) | (6,071) | (9,009)
Interest income | 2,761 | 949 | 1,521
Income before income taxes | 558,750 | 529,303 | 252,326
Capital expenditures | 49,289 | 36,192 | 47,969
Depreciation and amortization of property, plant and equipment | 47,296 | 48,347 | 46,721
Contract assets | 273,176 | 230,143 | 171,956
Contract liabilities | 1,098,263 | 788,134 | 722,252
Long-lived assets | 1,670,945 | 1,631,699 | 1,593,103
Total assets | $ 5,524,607 | 5,441,446 | 5,063,840
Number of operating subsidiaries | Company | 100 |  |
UNITED STATES |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | $ 10,599,042 | 9,393,629 | 8,366,498
Total revenues | 10,599,042 | 9,393,629 | 8,366,498
Operating income (loss) | 645,479 | 604,833 | 569,680
Capital expenditures | 46,366 | 32,791 | 39,880
Depreciation and amortization of property, plant and equipment | 42,887 | 42,396 | 42,106
Contract assets | 242,656 | 199,294 | 141,401
Contract liabilities | 1,068,181 | 754,298 | 692,403
Long-lived assets | 1,659,635 | 1,617,762 | 1,576,730
Total assets | 4,672,469 | 4,206,824 | 3,805,430
UNITED STATES | United States Electrical Construction And Facilities Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | 2,433,114 | 2,029,893 | 1,829,979
UNITED STATES | United States Mechanical Construction And Facilities Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | 4,326,674 | 3,952,586 | 3,516,789
UNITED STATES | United States Building Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | 2,720,487 | 2,424,743 | 2,078,835
UNITED STATES | United States Industrial Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | 1,118,767 | 986,407 | 940,895
UNITED KINGDOM | United Kingdom Building Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | 477,078 | 509,951 | 430,563
Operating Segments [Member] | UNITED STATES | United States Electrical Construction And Facilities Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | 2,437,304 | 2,033,168 | 1,835,017
Total revenues | 2,438,916 | 2,033,863 | 1,836,370
Operating income (loss) | 148,728 | 169,355 | 162,538
Capital expenditures | 11,228 | 4,985 | 8,679
Depreciation and amortization of property, plant and equipment | 7,543 | 7,229 | 6,734
Contract assets | 75,603 | 48,382 | 30,986
Contract liabilities | 271,161 | 200,966 | 183,499
Long-lived assets | 302,448 | 237,766 | 177,692
Total assets | 1,078,405 | 855,417 | 680,060
Operating Segments [Member] | UNITED STATES | United States Mechanical Construction And Facilities Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | 4,337,556 | 3,959,421 | 3,523,875
Total revenues | 4,373,050 | 3,966,123 | 3,529,880
Operating income (loss) | 332,294 | 314,420 | 290,444
Capital expenditures | 12,004 | 10,182 | 11,347
Depreciation and amortization of property, plant and equipment | 11,556 | 11,403 | 10,964
Contract assets | 100,109 | 89,538 | 67,443
Contract liabilities | 597,001 | 388,039 | 373,957
Long-lived assets | 519,335 | 515,741 | 522,800
Total assets | 1,845,518 | 1,672,546 | 1,552,567
Operating Segments [Member] | UNITED STATES | United States Building Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 2,821,649 | 2,523,180 | 2,161,487
Operating income (loss) | 144,670 | 122,724 | 115,523
Capital expenditures | 13,229 | 11,465 | 10,259
Depreciation and amortization of property, plant and equipment | 12,900 | 12,041 | 12,003
Contract assets | 56,217 | 42,382 | 31,661
Contract liabilities | 182,273 | 148,812 | 117,643
Long-lived assets | 496,206 | 498,692 | 481,733
Total assets | 1,196,001 | 1,089,844 | 1,022,290
Operating Segments [Member] | UNITED STATES | United States Industrial Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 1,175,469 | 1,021,217 | 956,373
Operating income (loss) | 19,787 | (1,666) | 1,175
Capital expenditures | 9,905 | 6,159 | 9,595
Depreciation and amortization of property, plant and equipment | 10,888 | 11,723 | 12,405
Contract assets | 10,727 | 18,992 | 11,311
Contract liabilities | 17,746 | 16,481 | 17,304
Long-lived assets | 341,646 | 365,563 | 394,505
Total assets | 552,545 | 589,017 | 550,513
Operating Segments [Member] | UNITED KINGDOM | United Kingdom Building Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 477,078 | 509,951 | 430,563
Operating income (loss) | 29,838 | 27,998 | 20,660
Capital expenditures | 2,816 | 3,015 | 3,693
Depreciation and amortization of property, plant and equipment | 2,752 | 3,938 | 3,046
Contract assets | 30,520 | 30,849 | 30,555
Contract liabilities | 30,082 | 33,836 | 29,849
Long-lived assets | 10,320 | 11,402 | 12,017
Total assets | 255,547 | 241,740 | 227,894
Corporate, Non-Segment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating income (loss) | (110,440) | (102,031) | (98,542)
Capital expenditures | 107 | 386 | 4,396
Depreciation and amortization of property, plant and equipment | 1,657 | 2,013 | 1,569
Long-lived assets | 990 | 2,535 | 4,356
Total assets | 596,591 | 992,882 | 1,030,516
Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | (210,042) | (150,754) | (117,612)
Intersegment Eliminations [Member] | UNITED STATES | United States Electrical Construction And Facilities Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | (4,190) | (3,275) | (5,038)
Intersegment Eliminations [Member] | UNITED STATES | United States Mechanical Construction And Facilities Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from unrelated entities | $ (10,882) | $ (6,835) | $ (7,086)

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