Schedule of Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 2,857,448	$ 2,784,813
Accumulated Depreciation	(1,240,909)	(1,125,713)
Property, Plant and Equipment, Net	1,616,539	1,659,100
Land And Quarries [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	231,499	217,439
Plants [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,380,926	2,363,937
Buildings Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	194,753	180,340
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 50,270	$ 23,097