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Income Taxes (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 27, 2018 | Oct. 28, 2017 | Oct. 27, 2018 | Oct. 28, 2017
Income Taxes |  |  |  |
Effective tax rate (as a percent) | 22.90% | 30.80% | 22.90% | 32.50%
Statutory tax rate (as a percent) |  |  | 21.00% |
Effective tax rate absent discrete adjustments (as a percent) | 24.70% |  |  |

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