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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | Jul. 27, 2024 | Jan. 27, 2024
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Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | $ 379,502 | $ 367,542
Accumulated Amortization | 270,342 | 258,588
Intangible Assets, Net | 109,160 | 108,954
UtiliQuest |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | 4,700 | 4,700
Accumulated Amortization | 0 | 0
Intangible Assets, Net | $ 4,700 | 4,700
Customer relationships |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Useful life | 8 years |
Intangible Assets, Gross (Excluding Goodwill) | $ 348,517 | 338,117
Accumulated Amortization | 254,614 | 245,512
Intangible Assets, Net | $ 93,903 | 92,605
Trade names |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Useful life | 8 years 9 months 18 days |
Intangible Assets, Gross (Excluding Goodwill) | $ 14,080 | 13,050
Accumulated Amortization | 8,999 | 8,723
Intangible Assets, Net | $ 5,081 | 4,327
Backlog intangibles |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Useful life | 2 years |
Intangible Assets, Gross (Excluding Goodwill) | $ 12,130 | 11,600
Accumulated Amortization | 6,703 | 4,335
Intangible Assets, Net | $ 5,427 | 7,265
Non-compete agreements |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Useful life | 3 years 3 months 18 days |
Intangible Assets, Gross (Excluding Goodwill) | $ 75 | 75
Accumulated Amortization | 26 | 18
Intangible Assets, Net | $ 49 | $ 57

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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