Related-Party Transactions (Details) - Affiliated Entity - Services Performed Under Subcontractor $ in Millions |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2021
USD ($)
director
|
Sep. 30, 2020
USD ($)
|
Sep. 30, 2021
USD ($)
director
|
Sep. 30, 2020
USD ($)
|
|
Related Party Transaction [Line Items] | ||||
Number of directors | director | 2 | 2 | ||
Payments to related party | $ | $ 17.3 | $ 21.7 | $ 35.1 | $ 45.0 |