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Revenue - Sales by Product Category (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	$ 4,534,264	$ 5,761,463	$ 12,946,468	$ 18,368,853
Lumber and Lumber Sheet Goods
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	1,150,540	1,817,249	3,081,264	6,989,691
Manufactured Products
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	1,197,925	1,500,957	3,592,335	4,532,987
Windows, Doors and Millwork
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	1,102,087	1,292,822	3,242,710	3,537,000
Specialty Building Products & Services
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	$ 1,083,712	$ 1,150,435	$ 3,030,159	$ 3,309,175

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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