Concentration Risk, Minimum Concentration Risk Threshold, Percentage

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- Definition

Number of Operating Segments that Aggregate into One Reportable Segment

+ References

No definition available.

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- 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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

No definition available.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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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

No definition available.

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Segment Information - Narrative (Details) $ in Thousands	3 Months Ended								6 Months Ended	12 Months Ended
Segment Information - Narrative (Details) $ in Thousands	Jan. 27, 2019 USD ($)	Oct. 28, 2018 USD ($)	Jul. 29, 2018 USD ($)	Apr. 29, 2018 USD ($)	Jan. 28, 2018 USD ($)	Oct. 29, 2017 USD ($)	Jul. 30, 2017 USD ($)	Apr. 30, 2017 USD ($)	Jul. 31, 2016 segment	Jan. 27, 2019 USD ($) segment	Jan. 28, 2018 USD ($)	Jan. 29, 2017 USD ($)
Segment Reporting Information [Line Items]
Net sales	$ 160,006	$ 173,550	$ 163,211	$ 130,429	$ 140,614	$ 150,304	$ 153,127	$ 143,802		$ 627,196	$ 587,847	$ 544,272
Number of operating segments that aggregate into one reportable segment \| segment										3
Number of operating segments \| segment									4	3
Number of reportable segments \| segment										1
Net book value of equipment and machinery	118,488				124,586					$ 118,488	124,586
Machinery and equipment \| Foundry in China
Segment Reporting Information [Line Items]
Net book value of equipment and machinery	17,400				15,400					17,400	15,400
Machinery and equipment \| Foundry In Malaysia [Member]
Segment Reporting Information [Line Items]
Net book value of equipment and machinery	$ 5,600				$ 6,100					$ 5,600	$ 6,100
Net sales revenue
Segment Reporting Information [Line Items]
Minimum concentration risk threshold										10.00%
Third-Party Foundry In China \| Supplier Concentration Risk \| Cost of Silicon Wafers
Segment Reporting Information [Line Items]
Concentration risk, percentage										16.00%	20.00%	25.00%