Other Financial Statement Details - Property, Plant and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2022
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 3,720.4		$ 3,720.4		$ 3,416.6
Less: accumulated depreciation and amortization	2,606.7		2,606.7		2,448.7
Total property, plant and equipment, net	1,113.7		1,113.7		967.9
Depreciation expense	55.3	$ 64.9	190.6	$ 149.8
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	88.2		88.2		88.2
Building and building improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	714.1		714.1		674.4
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	2,624.7		2,624.7		2,471.6
Projects in process
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 293.4		$ 293.4		$ 182.4