Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Employee Benefit Plan Employee Benefit Plan (Details)

v3.20.1
Employee Benefit Plan Employee Benefit Plan (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Retirement Benefits [Abstract]      
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 11.1 $ 10.6 $ 10.4