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Segment Geographic and Significant Customer Information - Schedule of Net Accounts Receivable from Significant Customers (Detail) - Accounts Receivable - Credit Concentration Risk	3 Months Ended	12 Months Ended
	Jul. 27, 2018	Apr. 27, 2018
Arrow Electronics, Inc.
Segment Reporting Information [Line Items]
Percentage of net accounts receivable	16.00%	17.00%
Tech Data Corporation
Segment Reporting Information [Line Items]
Percentage of net accounts receivable	9.00%	17.00%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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+ References

No definition available.

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