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Investments - Components (Details) - USD ($) $ in Thousands	Oct. 26, 2019	Apr. 27, 2019
Investments
Total investments	$ 59,510	$ 57,421
Investments to enhance returns on cash
Investments
Total investments	33,187	31,470
Investments to fund compensation/retirement plans
Investments
Total investments	13,844	13,972
Other investments
Investments
Total investments	12,479	11,979
Short-term investments
Investments
Marketable securities	19,703	18,016
Held-to-maturity investments	3,570	3,341
Total investments	23,273	21,357
Long-term investments
Investments
Marketable securities	23,758	24,085
Cost basis investments	12,479	11,979
Total investments	$ 36,237	$ 36,064

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

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