Revenue Recognition - Schedule of Company's Total Revenues by Category for each Reportable Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue Recognition [Line Items]
Consolidated total revenues	$ 6,160.7	$ 5,414.0	$ 4,729.9
Building Materials Business
Revenue Recognition [Line Items]
Consolidated total revenues	5,856.7	5,115.3	4,487.2
Operating Segments | Building Materials Business East Group
Revenue Recognition [Line Items]
Consolidated total revenues	2,468.1	2,303.0	1,949.1
Operating Segments | Building Materials Business West Group
Revenue Recognition [Line Items]
Consolidated total revenues	3,388.6	2,812.3	2,538.1
Operating Segments | Building Materials Business
Revenue Recognition [Line Items]
Consolidated total revenues	5,856.7	5,115.3	4,487.2
Operating Segments | Magnesia Specialties
Revenue Recognition [Line Items]
Consolidated total revenues	304.0	298.7	242.7
Products and Services
Revenue Recognition [Line Items]
Consolidated total revenues	5,730.5	5,084.7	4,432.1
Products and Services | Building Materials Business
Revenue Recognition [Line Items]
Consolidated total revenues	5,452.5	4,810.0	4,211.2
Products and Services | Operating Segments | Building Materials Business East Group
Revenue Recognition [Line Items]
Consolidated total revenues	2,324.1	2,161.6	1,826.6
Products and Services | Operating Segments | Building Materials Business West Group
Revenue Recognition [Line Items]
Consolidated total revenues	3,128.4	2,648.4	2,384.6
Products and Services | Operating Segments | Magnesia Specialties
Revenue Recognition [Line Items]
Consolidated total revenues	278.0	274.7	220.9
Freight
Revenue Recognition [Line Items]
Consolidated total revenues	430.2	329.3	297.8
Freight | Building Materials Business
Revenue Recognition [Line Items]
Consolidated total revenues	404.2	305.3	276.0
Freight | Operating Segments | Building Materials Business East Group
Revenue Recognition [Line Items]
Consolidated total revenues	144.0	141.4	122.5
Freight | Operating Segments | Building Materials Business West Group
Revenue Recognition [Line Items]
Consolidated total revenues	260.2	163.9	153.5
Freight | Operating Segments | Building Materials Business
Revenue Recognition [Line Items]
Consolidated total revenues	404.2	305.3	276.0
Freight | Operating Segments | Magnesia Specialties
Revenue Recognition [Line Items]
Consolidated total revenues	$ 26.0	$ 24.0	$ 21.8