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Acquisitions - Narrative (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Aug. 05, 2025 | Aug. 09, 2024 | Sep. 30, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Business Combination [Line Items] |  |  |  |  |  |
Issuance of notes receivable |  |  |  | $ 705,278 | $ 122,448 |
Tangible assets acquired |  | $ 24,900 |  |  |  |
Goodwill |  |  | $ 391,660 | 391,660 |  | $ 214,465
Warren Paving |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Revenue since acquisition date |  |  | 59,700 | 59,700 |  |
Gross profit since acquisition date |  |  | 13,000 | 13,000 |  |
Cash and cash equivalents | $ 4,217 |  |  |  |  |
Purchase price | 541,962 |  |  |  |  |
Tangible assets acquired | 551,765 |  |  |  |  |
Identifiable intangible assets | 46,600 |  |  |  |  |
Goodwill | 137,749 |  |  |  |  |
Property and equipment | 419,079 |  |  |  |  |
Intangible assets acquired | 46,600 |  |  |  |  |
Consideration transferred | 540,000 |  |  |  |  |
Future amortization expense, remainder of fiscal year | 1,700 |  |  |  |  |
Future amortization expense, year one | 6,700 |  |  |  |  |
Future amortization expense, year two | 3,600 |  |  |  |  |
Future amortization expense, year three | 3,600 |  |  |  |  |
Future amortization expense, year four | 3,600 |  |  |  |  |
Future amortization expense, year five | 3,600 |  |  |  |  |
Future amortization expense, thereafter | 22,700 |  |  |  |  |
Acquisition and integration expense |  |  | 11,500 | 12,500 |  |
Receivables | 39,120 |  |  |  |  |
Warren Paving | Construction |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Goodwill | 24,700 |  |  |  |  |
Warren Paving | Materials |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Goodwill | 113,000 |  |  |  |  |
Warren Paving | Customer relationships |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Intangible assets acquired | 12,500 |  |  |  |  |
Papich Construction |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Revenue since acquisition date |  |  | 38,700 | 38,700 |  |
Gross profit since acquisition date |  |  | 3,800 | 3,800 |  |
Purchase price | 173,400 |  |  |  |  |
Identifiable intangible assets | 15,600 |  |  |  |  |
Property and equipment | 85,800 |  |  |  |  |
Consideration transferred | 170,000 |  |  |  |  |
Acquisition and integration expense |  |  | 1,500 | 3,100 |  |
Receivables | 33,600 |  |  |  |  |
Goodwill that is tax deductible | 38,800 |  |  |  |  |
Net tangible assets | 119,000 |  |  |  |  |
Papich Construction | Construction |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Goodwill | 33,500 |  |  |  |  |
Papich Construction | Materials |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Goodwill | $ 5,300 |  |  |  |  |
Dickerson & Bowen, Inc. |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Issuance of notes receivable |  | 125,500 |  |  |  |
Revenue since acquisition date |  |  | 21,300 | 59,600 |  |
Gross profit since acquisition date |  |  | $ 3,100 | $ 8,000 |  |
Cash and cash equivalents |  | 4,000 |  |  |  |
Purchase price |  | 121,200 |  |  |  |
Identifiable intangible assets |  | 27,900 |  |  |  |
Goodwill |  | 68,400 |  |  |  |
Property and equipment |  | 38,100 |  |  |  |
Dickerson & Bowen, Inc. | Customer relationships |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Intangible assets acquired |  | $ 18,200 |  |  |  |

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