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Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Property and Equipment (Details) - USD ($) $ in Thousands	Aug. 01, 2026	Jul. 26, 2025	Aug. 01, 2026	Jul. 26, 2025	Jan. 31, 2026
Property, Plant, and Equipment [Line Items]
Financing lease assets and lease financing transactions	$ 2,694		$ 2,694		$ 0
Total	1,809,055		1,809,055		1,687,854
Less: accumulated depreciation	(1,195,462)		(1,195,462)		(1,112,478)
Property and equipment, net	613,593		613,593		575,376
Depreciation expense	$ 55,200	$ 48,900	$ 108,500	$ 95,300
Minimum
Property, Plant, and Equipment [Line Items]
Lessee, finance lease, term of contract	1 year		1 year
Maximum
Property, Plant, and Equipment [Line Items]
Lessee, finance lease, term of contract	4 years		4 years
Land
Property, Plant, and Equipment [Line Items]
Property, plant and equipment, gross	$ 11,809		$ 11,809		8,471
Buildings
Property, Plant, and Equipment [Line Items]
Property, plant and equipment, gross	$ 26,258		$ 26,258		25,005
Buildings \| Minimum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	10 years		10 years
Buildings \| Maximum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	35 years		35 years
Leasehold improvements
Property, Plant, and Equipment [Line Items]
Property, plant and equipment, gross	$ 35,919		$ 35,919		26,706
Leasehold improvements \| Minimum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	1 year		1 year
Leasehold improvements \| Maximum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	10 years		10 years
Vehicles
Property, Plant, and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,068,132		$ 1,068,132		1,008,988
Vehicles \| Minimum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	1 year		1 year
Vehicles \| Maximum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	5 years		5 years
Equipment and machinery
Property, Plant, and Equipment [Line Items]
Property, plant and equipment, gross	$ 506,827		$ 506,827		467,666
Equipment and machinery \| Minimum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	1 year		1 year
Equipment and machinery \| Maximum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	10 years		10 years
Computer hardware and software
Property, Plant, and Equipment [Line Items]
Property, plant and equipment, gross	$ 148,534		$ 148,534		142,881
Computer hardware and software \| Minimum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	1 year		1 year
Computer hardware and software \| Maximum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	7 years		7 years
Office furniture and equipment
Property, Plant, and Equipment [Line Items]
Property, plant and equipment, gross	$ 8,882		$ 8,882		$ 8,137
Office furniture and equipment \| Minimum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	1 year		1 year
Office furniture and equipment \| Maximum
Property, Plant, and Equipment [Line Items]
Estimated Useful Lives (Years)	10 years		10 years