Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
Dec. 31, 2024 |
|
| Commitments and Contingencies Disclosure [Abstract] | ||||||||
| Letters of credit outstanding | $ 368,300 | $ 368,300 | $ 357,100 | |||||
| Surety bonds outstanding | $ 3,000,000 | $ 3,000,000 | 3,100,000 | |||||
| Comprehensive warranty against building defects | 1 year | 1 year | ||||||
| Maximum product warranty in years | 10 years | |||||||
| Self-insurance liabilities | $ 259,810 | $ 282,022 | $ 259,810 | $ 282,022 | $ 262,207 | $ 259,410 | $ 273,448 | $ 267,474 |
| Incurred but not reported percentage of liability reserves | 71.00% | 71.00% | 74.00% | |||||
| ROU assets | $ 107,800 | $ 107,800 | $ 109,700 | |||||
| Operating lease liabilities | 123,197 | 123,197 | $ 133,200 | |||||
| Additional ROU assets under operating leases | 7,600 | 2,700 | 13,000 | 36,700 | ||||
| Payments on lease liabilities | 6,000 | 5,700 | 19,300 | 17,200 | ||||
| Total lease expense | 13,300 | 14,600 | 41,000 | 45,600 | ||||
| Variable lease costs | 2,000 | 2,000 | 6,100 | 7,300 | ||||
| Short-term lease costs | $ 4,600 | $ 6,000 | $ 13,900 | $ 17,400 | ||||