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Acquisitions - Narratives (Details) - USD ($) $ in Thousands |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Aug. 18, 2023 | Oct. 26, 2024 | Jul. 27, 2024 | Apr. 27, 2024 | Jan. 27, 2024 | Jan. 25, 2025 | Oct. 28, 2023 | Jan. 28, 2023
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | $ 311,991 | $ 330,330 |  | $ 272,545
Telecommunications Construction Company |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Asset acquisition, consideration transferred |  |  |  |  | $ 400 |  |  |
Telecommunications Construction Contractor in Various States |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payment to acquire business, net of cash acquired |  | $ 150,700 |  |  |  |  |  |
Cash and equivalents |  | 0 |  |  |  |  |  |
Goodwill |  | $ 10,000 |  |  |  |  |  |
Northwestern United States Telecommunications Construction Contractor |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payment to acquire business, net of cash acquired |  |  | $ 20,400 |  |  |  |  |
Business combination, consideration transferred |  |  | 24,500 |  |  |  |  |
Cash and equivalents |  |  | 4,100 |  |  |  |  |
Goodwill |  |  | $ 5,400 |  |  |  |  |
Midwestern United States Telecommunications Construction Contractor |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payment to acquire business, net of cash acquired |  |  |  | $ 12,800 |  |  |  |
Business combination, consideration transferred |  |  |  | 16,000 |  |  |  |
Cash and equivalents |  |  |  | 3,200 |  |  |  |
Goodwill |  |  |  | $ 3,200 |  |  |  |
Bigham |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payment to acquire business, net of cash acquired | $ 127,000 |  |  |  |  |  |  |
Business combination, consideration transferred | 131,200 |  |  |  |  |  |  |
Cash and equivalents | 8,300 |  |  |  |  |  | $ 8,300 |
Business combination, consideration transferred, liabilities incurred | 4,100 |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  | $ 39,200 |
Business acquisition, goodwill and intangible assets, expected tax deductible amount | $ 81,400 |  |  |  |  |  |  |
Telecommunications Construction Contractors |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | 18,600 |  |
Business acquisition, goodwill and intangible assets, expected tax deductible amount |  |  |  |  |  | $ 160,800 |  |

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