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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Apr. 27, 2024 | Apr. 29, 2023 | Apr. 30, 2022 | Apr. 27, 2023
Tax Credit Carryforward [Line Items] |  |  |  |
Reorganization of a foreign owned subsidiary |  | $ 7.3 |  |
Foreign investment tax credit | $ 0.1 | 5.0 |  |
Income tax pre-tax gain (losses) in operations reconciliation tax credits expense foreign | 5.1 |  |  |
Change in valuation allowance | 1.0 |  | $ 2.0 |
U.S. tax on foreign income | 3.5 | 2.9 | (1.7) |
Non-deductible compensation | 0.3 | 1.6 | 2.1 |
Withholding taxes | 3.2 | 3.4 | 2.5 |
Non-deductible acquisition costs |  | 1.4 |  |
Non-deductible goodwill impairment | 22.7 |  |  |
Research and development | 1.5 | 1.5 | 2.6 |
Change in tax reserve | 0.0 | (0.6) | (0.1) |
Net deferred tax (liability) asset | 6.0 |  |  |
Deferred Tax Liabilities, Net |  | 8.2 |  |
Valuation allowance | 5.8 | 6.8 |  |
Undistributed Earnings of Foreign Subsidiaries | 318.9 |  |  |
Gross unrecognized tax benefits | 4.4 | 4.5 | $ 5.1 | $ 4.5
Lapsing of statutes of limitations | 0.3 | 0.9 |  |
Change to amount of unrecognized tax benefits | 3.8 |  |  |
Income tax penalties and interest accrued | 0.4 | $ 0.2 |  |
Federal |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Gross operating loss carryforwards | 32.8 |  |  |
Federal income tax benefit | 23.1 |  |  |
State |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Gross operating loss carryforwards | 61.1 |  |  |
Federal income tax benefit | 12.2 |  |  |
Foreign Tax Authority |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Gross operating loss carryforwards | 0.5 |  |  |
Federal income tax benefit | 0.0 |  |  |
Foreign Tax Authority | Tax Credit Carryforward, Period, Indefinite | Investment Tax Credit Carryforward | MALTA |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Total unused credits | $ 26.1 |  |  |

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