Acquisitions - Narrative (Details) $ in Millions	6 Months Ended
	Aug. 03, 2025 acquiredBusiness	Jul. 28, 2024 USD ($)	May 06, 2024 branch_location	Apr. 30, 2024 branch_location	Apr. 01, 2024 branch_location	Mar. 07, 2024 branch_location	Feb. 12, 2024 branch_location
Business Combination [Line Items]
Number of businesses acquired | acquiredBusiness	0
Transaction value | $		$ 623
Goodwill, expected tax deductible amount | $		$ 198
Geothermal Supply Company
Business Combination [Line Items]
Number of branch locations acquired			1
EGW Utilities Inc.
Business Combination [Line Items]
Number of branch locations acquired				1
NW Geosynthetics Inc.
Business Combination [Line Items]
Number of branch locations acquired					6
Dana Kepner Company LLC
Business Combination [Line Items]
Number of branch locations acquired						21
Eastern Supply Inc.
Business Combination [Line Items]
Number of branch locations acquired							2