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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Significant Contracts and Concentrations of Risk (Details)	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019
Revenues
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Concentration risk (as a percent)	70.00%	66.00%
Customer Concentration Risk \| Accounts receivable \| Two Licensees
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Concentration risk (as a percent)		29.00%
Customer Concentration Risk \| Accounts receivable \| Four Licensees
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Concentration risk (as a percent)	45.00%
Customer Concentration Risk \| Revenues \| Two Licensees
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Concentration risk (as a percent)	27.00%
Customer Concentration Risk \| Revenues \| One Licensees
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Concentration risk (as a percent)		10.00%