Intangible Assets and Goodwill - Amortization of Intangible Assets (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	$ 235,700,000	$ 246,600,000	$ 700,500,000	$ 745,100,000
Impairment of intangible assets	0	0	0	0
Amortization expense charged to cost of sales
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	3,200,000	2,400,000	9,100,000	6,900,000
Amortization expense charged to operating expense
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	$ 232,500,000	$ 244,200,000	$ 691,400,000	$ 738,200,000