Segment and Geographic Information - Summary of Geographical Information (Details) $ in Millions	12 Months Ended
	Mar. 31, 2026 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)
Segment Reporting Information [Line Items]
Net sales	$ 4,835.8	$ 3,877.5	$ 3,936.3
Long-lived assets	$ 3,318.8	2,242.1
Threshold for individual percentage of net sales	0.05
Threshold for individual percentage of long-lived assets	0.05
United States of America
Segment Reporting Information [Line Items]
Net sales	$ 3,544.5	2,707.2	2,743.7
Long-lived assets	2,607.8	1,627.7
Australia
Segment Reporting Information [Line Items]
Net sales	423.3	401.1	403.8
Long-lived assets	270.9	231.9
Canada
Segment Reporting Information [Line Items]
Net sales	213.8	156.1	147.7
Germany
Segment Reporting Information [Line Items]
Net sales	163.9	142.9	140.5
Long-lived assets	155.4	143.2
New Zealand
Segment Reporting Information [Line Items]
Net sales	97.3	92.6	87.7
Spain
Segment Reporting Information [Line Items]
Long-lived assets	219.2	187.1
Other Countries
Segment Reporting Information [Line Items]
Net sales	393.0	377.6	$ 412.9
Long-lived assets	$ 65.5	$ 52.2