Revenue - Net Sales by Product Category (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	$ 4,234,064	$ 4,456,340	$ 7,891,560	$ 8,347,692
Manufactured Products
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	953,075	1,056,066	1,803,373	2,035,238
Windows, Doors and Millwork
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	1,030,005	1,114,911	1,958,766	2,145,328
Specialty Building Products and Services
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	1,117,754	1,093,696	2,023,106	1,996,410
Lumber and Lumber Sheet Goods
Entity Wide Information Revenue From External Customer [Line Items]
Net sales	$ 1,133,230	$ 1,191,667	$ 2,106,315	$ 2,170,716