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Investments - Components (Details) - USD ($) $ in Thousands | Jul. 28, 2018 | Apr. 28, 2018
--- | --- | ---
Investments |  |
Total investments | $ 56,762 | $ 59,354
Investments to enhance returns on cash |  |
Investments |  |
Total investments | 31,565 | 34,359
Investments to fund compensation/retirement plans |  |
Investments |  |
Total investments | 14,243 | 14,041
Other investments |  |
Investments |  |
Total investments | 10,954 | 10,954
Other current assets |  |
Investments |  |
Marketable securities | 12,444 | 12,926
Held-to-maturity investments | 3,038 | 3,340
Total investments | 15,482 | 16,266
Other long-term assets |  |
Investments |  |
Marketable securities | 30,326 | 32,134
Cost basis investments | 10,954 | 10,954
Total investments | $ 41,280 | $ 43,088

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