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 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available.
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