Revenue - Sales by Product Category (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	$ 4,528,890	$ 6,926,259	$ 8,412,204	$ 12,607,391
Lumber and Lumber Sheet Goods
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	1,058,980	2,836,194	1,934,592	5,172,705
Manufactured Products
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	1,288,109	1,678,617	2,400,456	3,032,409
Windows, Doors and Millwork
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	1,105,221	1,218,276	2,146,345	2,244,161
Specialty Building Products & Services
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	$ 1,076,580	$ 1,193,172	$ 1,930,811	$ 2,158,116