Investments - Components (Details) - USD ($) $ in Thousands	Jul. 25, 2020	Apr. 25, 2020
Investments
Total investments	$ 37,858	$ 48,022
Investments to enhance returns on cash
Investments
Total investments	16,494	28,622
Investments to fund compensation/retirement plans
Investments
Total investments	13,785	12,921
Other investments
Investments
Total investments	7,579	6,479
Short-term investments
Investments
Marketable securities	9,340	18,634
Held-to-maturity investments	2,476	3,337
Total investments	11,816	21,971
Long-term investments
Investments
Marketable securities	18,463	19,572
Cost basis investments	7,579	6,479
Total investments	$ 26,042	$ 26,051

Amount of investment in equity security without readily determinable fair value.

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