Aggregate number of common shares reserved for future issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Period Type:	instant

- Definition

Discount rate from fair value on purchase date that participants pay for shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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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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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Number of shares issued under share-based payment arrangement.

+ References

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Stock-Based Compensation - Employee Stock Purchase Plan (Details) - shares				1 Months Ended	12 Months Ended
	Jan. 01, 2019	Jan. 01, 2018	Jan. 01, 2017	Jun. 30, 2016	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018	Jul. 31, 2002
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum shares of common stock award (in shares)					4,500,000
Shares remaining under the original authorization (in shares)					2,119,910
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Discount rate of employee stock purchase plan					15.00%
Maximum shares of common stock award (in shares)					730,000			500,000
Number of additional shares authorized (in shares)	35,000	35,000	35,000	125,000
Shares of common stock issued (in shares)					104,160	37,128	34,963
Shares remaining under the original authorization (in shares)					35,038