Business Combinations - Narrative (Details) $ in Thousands			3 Months Ended						9 Months Ended		12 Months Ended
	Dec. 01, 2021 USD ($) location	Jul. 01, 2021 USD ($) location	Jan. 31, 2022 USD ($)	Oct. 31, 2021 USD ($)	Jul. 31, 2021 USD ($)	Jan. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)	Jul. 31, 2020 USD ($)	Jan. 31, 2022 USD ($) location	Jan. 31, 2021 USD ($)	Apr. 30, 2021
Business Acquisition [Line Items]
Net sales			$ 1,153,595			$ 751,191			$ 3,346,222	$ 2,366,620
Net income			61,383	$ 74,361	$ 61,202	$ 16,126	$ 28,469	$ 27,219	$ 196,946	$ 71,814
Number of retail locations | location									90
Customer relationships
Business Acquisition [Line Items]
Estimated useful life (in years)									12 years 6 months		13 years 3 months 18 days
Tradenames
Business Acquisition [Line Items]
Estimated useful life (in years)									15 years 9 months 18 days		16 years 9 months 18 days
Fiscal Year 2022 Acquisitions
Business Acquisition [Line Items]
Net sales									$ 150,100
Net income									3,500
Westside Building Material
Business Acquisition [Line Items]
Preliminary consideration transferred		$ 140,109
Number of distribution network locations | location		10
Holdback liability		$ 13,500
Liability related to general representations and warranties, settlement period (in months)		15 months
Cash consideration		$ 126,609
Trade accounts and notes receivable		$ 27,081	$ 26,282						$ 26,282
Westside Building Material | Customer relationships
Business Acquisition [Line Items]
Estimated useful life (in years)		12 years
Westside Building Material | Tradenames
Business Acquisition [Line Items]
Estimated useful life (in years)		15 years
Westside Building Material | California
Business Acquisition [Line Items]
Number of distribution network locations | location		9
Westside Building Material | Nevada
Business Acquisition [Line Items]
Number of distribution network locations | location		1
Ames Taping Tools Holding LLC
Business Acquisition [Line Items]
Number of retail locations | location	90
Cash consideration	$ 224,500
Trade accounts and notes receivable	9,955
Trade accounts and notes receivable, gross	$ 11,600
Ames Taping Tools Holding LLC | Customer relationships
Business Acquisition [Line Items]
Estimated useful life (in years)	11 years
Ames Taping Tools Holding LLC | Patents
Business Acquisition [Line Items]
Estimated useful life (in years)	10 years