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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS - (Details) - Allowance for Doubtful Accounts - USD ($) $ in Thousands | 12 Months Ended
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May 02, 2020 | Apr. 27, 2019 | Apr. 28, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | $ 2,208 | $ 2,151 | $ 2,610
Charged to Costs and Expenses | 1,461 | 1,620 | 1,451
Charged to Other Accounts | 0 | 0 | 0
Deductions | (841) | (1,563) | (1,910)
Balance at End of Year | $ 2,828 | $ 2,208 | $ 2,151

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