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Organization and Significant Accounting Policies - Intangible Assets (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Apr. 30, 2023 | Apr. 30, 2024 | Apr. 30, 2023 | Apr. 30, 2022 | Jan. 28, 2024
Intangibles, net |  |  |  |  |
Amortization expense |  | $ 17,954,000 | $ 58,121,000 | $ 26,558,000 |
MUAS |  |  |  |  |
Intangibles, net |  |  |  |  |
Amortization expense | $ 34,149,000 |  |  |  |
Percentage of estimated fair value exceeded the carrying value |  |  |  |  | 10.00%
Backlog |  |  |  |  |
Intangibles, net |  |  |  |  |
Weighted average amortization period |  | 1 year |  |  |
Licenses |  |  |  |  |
Intangibles, net |  |  |  |  |
Weighted average amortization period |  | 3 years |  |  |
Customer relationships |  |  |  |  |
Intangibles, net |  |  |  |  |
Amortization expense |  | $ 34,149,000 |  |  |
In-process research and development |  |  |  |  |
Intangibles, net |  |  |  |  |
Weighted average amortization period |  | 3 years |  |  |
Trademarks and tradenames |  |  |  |  |
Intangibles, net |  |  |  |  |
Weighted average amortization period |  | 6 years |  |  |
Minimum | Technology |  |  |  |  |
Intangibles, net |  |  |  |  |
Weighted average amortization period |  | 3 years |  |  |
Minimum | Customer relationships |  |  |  |  |
Intangibles, net |  |  |  |  |
Weighted average amortization period |  | 3 years |  |  |
Maximum | Technology |  |  |  |  |
Intangibles, net |  |  |  |  |
Weighted average amortization period |  | 12 years |  |  |
Maximum | Customer relationships |  |  |  |  |
Intangibles, net |  |  |  |  |
Weighted average amortization period |  | 5 years |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-5 + Details
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