XML 70 R58.htm IDEA: XBRL DOCUMENT v3.21.2
Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Segment Reporting Information [Line Items]          
Revenues from unrelated entities $ 2,437,666 $ 2,014,021 $ 4,741,715 $ 4,313,853  
Total revenues 2,437,666 2,014,021 4,741,715 4,313,853  
Operating income (loss) 133,358 (122,638) 250,362 (16,643)  
Restructuring expenses 0 0 0 (69)  
Impairment loss on goodwill, identifiable intangible assets, and other long-lived assets 0 (232,750) 0 (232,750)  
Net periodic pension (cost) income 922 718 1,830 1,460  
Interest expense, net (1,316) (2,110) (2,679) (4,598)  
Income (loss) before income taxes 132,964 (124,030) 249,513 (19,781)  
Total assets 5,133,170   5,133,170   $ 5,063,840
UNITED STATES          
Segment Reporting Information [Line Items]          
Revenues from unrelated entities 2,307,792 1,920,904 4,485,106 4,108,359  
Total revenues 2,307,792 1,920,904 4,485,106 4,108,359  
Operating income (loss) 152,066 128,460 284,171 250,629  
Total assets 4,080,980   4,080,980   3,805,430
United States Electrical Construction And Facilities Services [Member] | UNITED STATES          
Segment Reporting Information [Line Items]          
Revenues from unrelated entities 489,487 410,388 945,655 872,191  
United States Mechanical Construction And Facilities Services [Member] | UNITED STATES          
Segment Reporting Information [Line Items]          
Revenues from unrelated entities 958,686 790,441 1,862,611 1,624,553  
United States Building Services [Member] | UNITED STATES          
Segment Reporting Information [Line Items]          
Revenues from unrelated entities 624,456 478,982 1,206,295 1,006,593  
United States Industrial Services [Member] | UNITED STATES          
Segment Reporting Information [Line Items]          
Revenues from unrelated entities 235,163 241,093 470,545 605,022  
United Kingdom Building Services [Member] [Member] | UNITED KINGDOM          
Segment Reporting Information [Line Items]          
Revenues from unrelated entities 129,874 93,117 256,609 205,494  
Operating Segments [Member] | United States Electrical Construction And Facilities Services [Member] | UNITED STATES          
Segment Reporting Information [Line Items]          
Revenues from unrelated entities 490,080 411,222 947,443 873,837  
Total revenues 490,157 411,417 947,690 874,208  
Operating income (loss) 42,705 31,626 82,969 71,938  
Total assets 737,673   737,673   672,226
Operating Segments [Member] | United States Mechanical Construction And Facilities Services [Member] | UNITED STATES          
Segment Reporting Information [Line Items]          
Revenues from unrelated entities 960,423 791,411 1,865,969 1,627,407  
Total revenues 962,338 793,040 1,870,012 1,631,844  
Operating income (loss) 79,259 66,937 144,209 112,108  
Total assets 1,600,189   1,600,189   1,542,531
Operating Segments [Member] | United States Building Services [Member] | UNITED STATES          
Segment Reporting Information [Line Items]          
Total revenues 648,512 500,018 1,251,247 1,042,036  
Operating income (loss) 30,310 26,615 59,644 47,876  
Total assets 1,131,845   1,131,845   1,040,160
Operating Segments [Member] | United States Industrial Services [Member] | UNITED STATES          
Segment Reporting Information [Line Items]          
Total revenues 252,444 242,795 498,372 612,938  
Operating income (loss) (208) 3,282 (2,651) 18,707  
Total assets 611,273   611,273   550,513
Operating Segments [Member] | United Kingdom Building Services [Member] [Member] | UNITED KINGDOM          
Segment Reporting Information [Line Items]          
Total revenues 129,874 93,117 256,609 205,494  
Operating income (loss) 7,047 5,351 16,458 11,115  
Total assets 247,837   247,837   227,894
Intersegment Eliminations [Member]          
Segment Reporting Information [Line Items]          
Total revenues (45,659) (26,366) (82,215) (52,667)  
Intersegment Eliminations [Member] | United States Electrical Construction And Facilities Services [Member] | UNITED STATES          
Segment Reporting Information [Line Items]          
Revenues from unrelated entities (593) (834) (1,788) (1,646)  
Intersegment Eliminations [Member] | United States Mechanical Construction And Facilities Services [Member] | UNITED STATES          
Segment Reporting Information [Line Items]          
Revenues from unrelated entities (1,737) (970) (3,358) (2,854)  
Corporate, Non-Segment [Member]          
Segment Reporting Information [Line Items]          
Operating income (loss) (25,755) $ (23,699) (50,267) $ (45,568)  
Total assets $ 804,353   $ 804,353   $ 1,030,516