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Revenue Recognition - Contract with Customer, Contract Asset, Contract Liability, and Receivable (Details) - USD ($) $ in Thousands | 12 Months Ended
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Apr. 30, 2022 | May 01, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |
Contract assets | $ 41,687 | $ 32,799
Contract liabilities - current | 90,393 | 64,495
Contract liabilities - non-current | 10,998 | 10,720
Service-type Warranty Contracts |  |
Changes in Unearned Service-Type Warranty Contract [Roll Forward] |  |
Balance at beginning of year | 24,590 | 24,490
New contracts sold | 42,619 | 35,623
Less: reductions for revenue recognized | (40,614) | (36,723)
Foreign currency translation and other | (249) | 1,200
Balance at end of year | $ 26,346 | $ 24,590

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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130533-203044 + Details
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