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Revenue Recognition, Contracts with Customers, Remaining Performance Obligations included in Contract Liability (Details) - USD ($) $ in Millions | Oct. 31, 2021 | Apr. 30, 2021
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Remaining Performance Obligations [Abstract] |  |
Remaining performance obligations | $ 288.5 |
Sales return reserve recorded in contract liability | 42.3 | $ 38.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-11-01 |  |
Remaining Performance Obligations [Abstract] |  |
Remaining performance obligations excluding sales return reserve | $ 225.6 |
Expected timing of satisfaction, period | 12 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-11-01 |  |
Remaining Performance Obligations [Abstract] |  |
Remaining performance obligations | $ 20.6 |
Expected timing of satisfaction, period |  |

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- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer, classified as current. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 55 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=123410239&loc=SL49130611-203046-203046 + Details
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- Definition Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045 + Details
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