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Investments (Tables)
6 Months Ended
Oct. 29, 2022
Investments  
Schedule of investments

Investments consist of the following (in thousands):

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​

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​

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October 29,

​

April 30,

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​

    

2022

    

2022

 

Short-term investments:

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​

​

​

​

​

​

Available-for-sale securities:

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​

​

​

​

​

​

Municipal securities

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​

—

​

​

19,725

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U.S. government securities

​

​

—

​

​

4,991

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Total short-term investments

​

$

—

​

$

24,716

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Long-term investments:

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​

​

​

​

​

​

Available-for-sale securities:

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​

​

​

​

​

​

Equity securities

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6,028

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​

—

​

Total long-term available-for-sale securities investments

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6,028

​

 

—

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Equity method investments

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​

​

​

​

​

​

Investments in limited partnership funds

​

 

16,434

​

 

15,433

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Total equity method investments

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16,434

​

 

15,433

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Total long-term investments

​

$

22,462

​

$

15,433

​

Schedule of activity related to available-for-sale investments recorded in short-term

The following table is a summary of the activity related to the available-for-sale debt securities recorded in short-term investments as of April 30, 2022, respectively (in thousands):

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​

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​

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April 30, 2022

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Gross

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Gross

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​

​

​

​

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Amortized

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Unrealized

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Unrealized

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Fair

 

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Cost

    

Gains

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Losses

    

Value

 

Municipal securities

 

$

19,756

​

$

—

​

$

(31)

​

$

19,725

​

U.S. government securities

​

 

4,995

​

​

—

​

​

(4)

​

​

4,991

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Total available-for-sale debt securities

 

$

24,751

 

$

—

​

$

(35)

 

$

24,716

​