Subsequent Events (Details) $ in Thousands |
3 Months Ended | 12 Months Ended | |||
---|---|---|---|---|---|
Jul. 31, 2021
USD ($)
investment
|
Apr. 24, 2021
USD ($)
|
Apr. 25, 2020
USD ($)
investment
|
Apr. 27, 2019
USD ($)
|
Jul. 27, 2019
investment
|
|
Subsequent Event [Line Items] | |||||
Number of investments | investment | 1 | 1 | |||
Gain on investment | $ 0 | $ 34,334 | $ 4,477 | ||
Subsequent Events | Scenario, Forecast | |||||
Subsequent Event [Line Items] | |||||
Number of investments | investment | 1 | ||||
Proceeds from sale of investment | $ 54 | ||||
Gain on investment | $ 28 |