Revenue Recognition (Detail Textuals) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 31, 2018	Jul. 31, 2018	Feb. 01, 2018	Jan. 31, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue recognized	$ 5,400	$ 4,600
Customer refund liability	204,360	204,360
Contract liability	5,200	5,200		$ 6,000
Impact of Adoption of ASC 606
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Reduction in stockholders equity			$ 53,700
Customer refund liability	$ 204,360	$ 204,360

Decrease in stockholders equity due to cumulative effect of new accounting principle in period of adoption.

No definition available.

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- Definition

Carrying value as of the balance sheet date of the liability for outstanding gift cards. Retail customers purchase gift cards or gift certificates that can be redeemed at a later date for merchandise or services; those unredeemed represent a liability of the entity because the revenue is being deferred.

+ 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
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

Current regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment.

+ References

No definition available.

+ Details

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- Definition

Amount of revenue recognized that was previously reported as deferred or unearned revenue.

+ References

No definition available.

+ Details

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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.

+ Details

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- Details

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