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Revenues (Tables)

12 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following represents the Company's disaggregated revenues:


			Year Ended 31 March 2023
(Millions of US dollars)			North America Fiber Cement						Asia Pacific Fiber Cement						Europe Building Products						Consolidated
Fiber cement revenues			$	2,787.6					$	539.2					$	68.6					$	3,395.4
Fiber gypsum revenues			—						—						381.7						381.7
Total revenues			$	2,787.6					$	539.2					$	450.3					$	3,777.1


			Year Ended 31 March 2022
(Millions of US dollars)			North America Fiber Cement						Asia Pacific Fiber Cement						Europe Building Products						Consolidated
Fiber cement revenues			$	2,551.3					$	574.9					$	76.3					$	3,202.5
Fiber gypsum revenues			—						—						412.2						412.2
Total revenues			$	2,551.3					$	574.9					$	488.5					$	3,614.7


			Year Ended 31 March 2021
(Millions of US dollars)			North America Fiber Cement						Asia Pacific Fiber Cement						Europe Building Products						Consolidated
Fiber cement revenues			$	2,040.2					$	458.2					$	55.3					$	2,553.7
Fiber gypsum revenues			—						—						355.0						355.0
Total revenues			$	2,040.2					$	458.2					$	410.3					$	2,908.7