| Segment | Q2 '21 | Q3 '21 | Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 |
|---|---|---|---|---|---|---|---|
| United States Electrical Construction And Facilities Services | 4.5% | 4.5% | 4.5% | 19.4% | 18.6% | 18.8% | 36.7% |
| United States Mechanical Construction And Facilities Services | 8.6% | 8.6% | 8.6% | 34.3% | 33.3% | 33.8% | 28.5% |
| United States Building Services | 8.8% | 8.8% | 8.8% | 33.9% | 36.2% | 35.2% | 26% |
| United States Industrial Services | 3.2% | 3.2% | 3.2% | 12.4% | 11.9% | 12.2% | 8.8% |
| Total | 4.5% | 4.5% | 4.5% | 19.4% | 18.6% | 18.8% | 36.7% |