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Description of Business and Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended
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Apr. 27, 2018
Minimum | Software maintenance and Hardware maintenance services |
Description Of Business And Significant Accounting Policies [Line Items] |
Maintenance contractual term | 1 year
Minimum | Developed Technology |
Description Of Business And Significant Accounting Policies [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 3 years
Minimum | Customer Contracts/Relationships |
Description Of Business And Significant Accounting Policies [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 2 years
Minimum | Covenants not to Compete |
Description Of Business And Significant Accounting Policies [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 2 years
Minimum | Trademarks and Trade Names |
Description Of Business And Significant Accounting Policies [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 2 years
Maximum | Software maintenance and Hardware maintenance services |
Description Of Business And Significant Accounting Policies [Line Items] |
Maintenance contractual term | 5 years
Maximum | Developed Technology |
Description Of Business And Significant Accounting Policies [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 6 years
Maximum | Customer Contracts/Relationships |
Description Of Business And Significant Accounting Policies [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 8 years
Maximum | Covenants not to Compete |
Description Of Business And Significant Accounting Policies [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 3 years
Maximum | Trademarks and Trade Names |
Description Of Business And Significant Accounting Policies [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 7 years

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- Definition Description of Business and Significant Accounting Policies. + References No definition available. + 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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