Revenue - Net Sales by Product Category (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	$ 3,862,548	$ 4,234,064	$ 7,149,625	$ 7,891,560
Manufactured Products
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	831,622	959,349	1,566,208	1,813,232
Windows, Doors and Millwork
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	954,610	1,050,742	1,808,574	1,994,837
Specialty Building Products and Services
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	1,036,890	1,092,342	1,890,276	1,980,959
Lumber and Lumber Sheet Goods
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	$ 1,039,426	$ 1,131,631	$ 1,884,567	$ 2,102,532

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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+ Details