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Income Taxes - Schedule of Reconciliation of Consolidated Provisions for Income Taxes from Continuing Operations (Details) - USD ($) $ in Millions | 12 Months Ended
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May 02, 2020 | Apr. 27, 2019 | Apr. 28, 2018 | Apr. 29, 2017
Income Tax Disclosure [Abstract] |  |  |  |
Income tax at statutory rate (as a percent) | 21.00% | 21.00% | 30.50% | 35.00%
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract] |  |  |  |
Income Tax at Statutory Rate | $ 31.2 | $ 21.8 | $ 37.7 |
State Income Taxes, Net of Federal Benefit | 1.5 | (0.8) | 0.1 |
Withholding Taxes | 2.3 | 1.8 |  |
U.S. Tax Reform Transition Tax |  | (4.8) | 48.5 |
Foreign Tax Differential | (8.3) | (9.6) | (15.3) |
U.S. Tax on Foreign Income | (1.0) | 3.4 |  |
Foreign Investment Tax Credit | (0.8) | (2.0) | (9.8) |
Change in Tax Reserve | 2.2 | (0.1) | 0.1 |
Change in Valuation Allowance | 0.8 |  | 0.4 |
Tax Rate Change, Foreign | (0.1) |  | (1.5) |
U.S. Tax Reform Re-measurements |  |  | 5.2 |
Other, Net | (2.5) | 2.3 | 1.2 |
Total Income Tax Expense | $ 25.3 | $ 12.0 | $ 66.6 |
Effective Income Tax Rate | 17.00% | 11.60% | 53.80% |

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