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v3.22.2.2

Segment Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) Company | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |
Number of operating subsidiaries | Company |  |  | 90 |  |
Revenues from unrelated entities | $ 2,826,361 | $ 2,521,672 | $ 8,126,298 | $ 7,263,387 |
Total revenues | 2,826,361 | 2,521,672 | 8,126,298 | 7,263,387 |
Total assets | 5,438,729 |  | 5,438,729 |  | $ 5,441,446
Net periodic pension (cost) income | 1,025 | 908 | 3,288 | 2,738 |
Interest expense, net | (3,194) | (1,286) | (6,234) | (3,965) |
Operating income (loss) | 150,094 | 137,421 | 387,695 | 387,783 |
Income before income taxes | 147,925 | 137,043 | 384,749 | 386,556 |
UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 2,708,660 | 2,392,192 | 7,762,552 | 6,877,298 |
Total revenues | 2,708,660 | 2,392,192 | 7,762,552 | 6,877,298 |
Total assets | 4,686,509 |  | 4,686,509 |  | 4,206,824
Operating income (loss) | 170,707 | 154,934 | 443,213 | 439,105 |
United States Electrical Construction And Facilities Services [Member] | UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 633,383 | 530,950 | 1,719,525 | 1,482,475 |
United States Mechanical Construction And Facilities Services [Member] | UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 1,117,388 | 1,004,407 | 3,184,205 | 2,887,572 |
United States Building Services [Member] | UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 710,650 | 624,617 | 2,016,298 | 1,804,488 |
United States Industrial Services [Member] | UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 247,239 | 232,218 | 842,524 | 702,763 |
United Kingdom Building Services [Member] [Member] | UNITED KINGDOM |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 117,701 | 129,480 | 363,746 | 386,089 |
Operating Segments [Member] | United States Electrical Construction And Facilities Services [Member] | UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 634,327 | 531,606 | 1,723,090 | 1,484,948 |
Total revenues | 634,957 | 531,735 | 1,724,400 | 1,485,324 |
Total assets | 1,075,648 |  | 1,075,648 |  | 855,417
Operating income (loss) | 35,558 | 44,284 | 90,646 | 127,548 |
Operating Segments [Member] | United States Mechanical Construction And Facilities Services [Member] | UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | 1,120,634 | 1,005,886 | 3,192,348 | 2,891,917 |
Total revenues | 1,133,895 | 1,007,993 | 3,212,374 | 2,895,930 |
Total assets | 1,825,503 |  | 1,825,503 |  | 1,672,546
Operating income (loss) | 90,952 | 80,797 | 226,571 | 220,697 |
Operating Segments [Member] | United States Building Services [Member] | UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 736,068 | 648,718 | 2,091,128 | 1,876,141 |
Total assets | 1,201,947 |  | 1,201,947 |  | 1,089,844
Operating income (loss) | 45,589 | 32,865 | 107,672 | 96,523 |
Operating Segments [Member] | United States Industrial Services [Member] | UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 266,182 | 232,479 | 878,123 | 730,851 |
Total assets | 583,411 |  | 583,411 |  | 589,017
Operating income (loss) | (1,392) | (3,012) | 18,324 | (5,663) |
Operating Segments [Member] | United Kingdom Building Services [Member] [Member] | UNITED KINGDOM |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 117,701 | 129,480 | 363,746 | 386,089 |
Total assets | 230,330 |  | 230,330 |  | 241,740
Operating income (loss) | 8,369 | 6,582 | 25,372 | 23,040 |
Corporate, Non-Segment [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total assets | 521,890 |  | 521,890 |  | $ 992,882
Operating income (loss) | (28,982) | (24,095) | (80,890) | (74,362) |
Intersegment Eliminations [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | (62,442) | (28,733) | (143,473) | (110,948) |
Intersegment Eliminations [Member] | United States Electrical Construction And Facilities Services [Member] | UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | (944) | (656) | (3,565) | (2,473) |
Intersegment Eliminations [Member] | United States Mechanical Construction And Facilities Services [Member] | UNITED STATES |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues from unrelated entities | $ (3,246) | $ (1,479) | $ (8,143) | $ (4,345) |

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