Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Jan. 27, 2024	Jan. 28, 2023
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 367,542	$ 326,042
Accumulated Amortization	258,588	239,476
Intangible Assets, Net	108,954	86,566
Trade name, indefinite
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,700	4,700
Intangible Assets, Net	$ 4,700	4,700
Customer relationships
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (Years)	8 years
Gross Carrying Amount	$ 338,117	312,017
Accumulated Amortization	245,512	231,028
Intangible Assets, Net	$ 92,605	80,989
Trade names, finite
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (Years)	9 years 1 month 6 days
Gross Carrying Amount	$ 13,050	9,250
Accumulated Amortization	8,723	8,448
Intangible Assets, Net	$ 4,327	802
Contract backlog
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (Years)	2 years 7 months 6 days
Gross Carrying Amount	$ 11,600	0
Accumulated Amortization	4,335	0
Intangible Assets, Net	$ 7,265	0
Non-compete agreement
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (Years)	3 years 9 months 18 days
Gross Carrying Amount	$ 75	75
Accumulated Amortization	18	0
Intangible Assets, Net	$ 57	$ 75