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Investments - Available for sale securities (Details) - Available-for-sale securities $ in Thousands | 9 Months Ended
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Jan. 25, 2020 USD ($)
Investments |
Sales or Purchases | $ 18,147
Carrying Value | 18,147
Amortized cost of available-for-sale securities by contractual maturity |
Due after 20 years | 13,200
Total | 13,200
Fair value of available-for-sale securities by contractual maturity |
Due after 20 years | 13,200
Total | $ 13,200
Minimum |
Fair value of available-for-sale securities by contractual maturity |
Variable rate demand notes long maturities | 20 years
Maximum |
Fair value of available-for-sale securities by contractual maturity |
Variable rate demand notes long maturities | 30 years
Investment in limited partnership fund |
Investments |
Sales or Purchases | $ 4,947
Carrying Value | 4,947
Variable rate demand notes |
Investments |
Sales or Purchases | 13,200
Carrying Value | $ 13,200
Put option | Minimum |
Fair value of available-for-sale securities by contractual maturity |
Variable rate demand notes long maturities | 1 day
Put option | Maximum |
Fair value of available-for-sale securities by contractual maturity |
Variable rate demand notes long maturities | 7 days

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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after rolling 20th fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
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