Description of the Business and Basis of Presentation - Narrative (Details)	9 Months Ended
Oct. 30, 2020 segment
Class of Stock [Line Items]
Number of reportable segments	1
IPO \| Denali
Class of Stock [Line Items]
Percent of outstanding shares owned	85.10%
Percent of voting interests owned	98.30%

Sale of Stock, Percentage of Economic Ownership After Transaction

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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

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599

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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

+ References

No definition available.

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