Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Other Financial Statement Details - Property, Plant and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Mar. 31, 2025
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 3,682.4		$ 3,682.4		$ 3,526.1
Less: accumulated depreciation and amortization	2,552.4		2,552.4		2,342.4
Total property, plant and equipment, net	1,130.0		1,130.0		1,183.7
Depreciation expense	37.8	$ 40.4	116.3	$ 124.6
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	99.7		99.7		84.8
Building and building improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	710.7		710.7		705.9
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	2,440.5		2,440.5		2,311.3
Projects in process
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 431.5		$ 431.5		$ 424.1