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Income Taxes - Summary of Taxes Paid (Detail) - USD ($) $ in Thousands | 9 Months Ended
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Jan. 26, 2025 | Jan. 28, 2024
Income Taxes [Line Items] |  |
Total income taxes paid, net of refunds | $ 2,012 | $ 2,770
Domestic Tax Jurisdiction [Member] | United States [Member] |  |
Income Taxes [Line Items] |  |
United States Transition Tax Payment | 665 | 499
Foreign Tax Authority [Member] | China [Member] |  |
Income Taxes [Line Items] |  |
Total income taxes paid, net of refunds | 1,566 | 1,803
Foreign Tax Authority [Member] | Canada [Member] |  |
Income Taxes [Line Items] |  |
Total income taxes paid, net of refunds | $ (219) | $ 468

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- Definition Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-2A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-22 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-2 + Details
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- Definition Amount of tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/740/tableOfContent + Details
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