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Investments - Components (Details) - USD ($) $ in Thousands	Jan. 22, 2022	Apr. 24, 2021
Investments
Total investments	$ 52,669	$ 55,404
Investments to enhance returns on cash
Investments
Total investments	29,754	32,475
Investments to fund compensation/retirement plans
Investments
Total investments	15,336	15,350
Other investments
Investments
Total investments	7,579	7,579
Short-term investments
Investments
Marketable securities	14,835	18,037
Held-to-maturity investments	1,391	2,532
Total investments	16,226	20,569
Long-term investments
Investments
Marketable securities	28,864	27,256
Cost basis investments	7,579	7,579
Total investments	$ 36,443	$ 34,835

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

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