Represents maximum percentage of employee contribution on post-tax basis.

No definition available.

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Namespace Prefix:	ssi_
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- Definition

Represents maximum percentage of employee contribution on pre-tax basis.

+ References

No definition available.

+ Details

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Namespace Prefix:	ssi_
Data Type:	num:percentItemType
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Period Type:	duration

- Definition

The maximum deferment as percentage of base salary under plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	ssi_
Data Type:	num:percentItemType
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Period Type:	duration

- Definition

The maximum deferment as percentage of bonus under plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	ssi_
Data Type:	num:percentItemType
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- Definition

The minimum required age to be covered under the Plan.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

The number of days of service to the entity for all full and part-time employees to be covered under the Plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	ssi_
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Period Type:	duration

- Definition

The number of deferred compensation plans during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	ssi_
Data Type:	xbrli:integerItemType
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Period Type:	duration

- Definition

Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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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Period Type:	duration

- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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

- Definition

Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

+ References

No definition available.

+ Details

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

- Definition

Describes the event or transaction that occurred between the balance sheet date and the date the financial statements are issued or available to be issued.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

+ Details

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Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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- Details

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- Details

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Namespace Prefix:
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BENEFIT PLANS (Details) - USD ($)	1 Months Ended	2 Months Ended	12 Months Ended
BENEFIT PLANS (Details) - USD ($)	Mar. 01, 2019	Mar. 22, 2019	Feb. 02, 2019	Feb. 03, 2018
Nonqualified Plan \| Key employees
Defined Contribution Plan Disclosure [Line Items]
Limit of employees' pre-tax contributions considered for match (in hundredths)			3.00%
Subsequent Event
Subsequent Event [Line Items]
Subsequent event, description	In March 2019, we integrated our off-price and department store loyalty programs into one.	The Non-Employee Director Equity Compensation Plan was terminated effective March 22, 2019.
Pension Plan \| Qualified Plan
Defined Contribution Plan Disclosure [Line Items]
Number of days of service to the entity			60
Minimum required age to be covered under the Plan			21
Maximum percentage of employee contribution on pre-tax basis (in hundredths)			50.00%
Maximum percentage of employee contribution on post-tax basis (in hundredths)			10.00%
Limit of employees' pre-tax contributions considered for match (in hundredths)			6.00%
Employer matching contribution, percent of match (in hundredths)			50.00%
Matching contributions expense			$ 2,000,000	$ 1,700,000
Deferred Compensation Plans \| Nonqualified Plan
Defined Contribution Plan Disclosure [Line Items]
Matching contributions expense			$ 700,000	900,000
Number of deferred compensation plans			2
Maximum deferment as percentage of base salary under plan (in hundredths)			50.00%
Maximum deferment as percentage of bonus under plan (in hundredths)			100.00%
Employers contribution vested in percentage (in hundredths)			100.00%
Deferred Compensation Plans \| Nonqualified Plan \| Executives and Officers
Defined Contribution Plan Disclosure [Line Items]
Maximum percentage of employee contribution on pre-tax basis (in hundredths)			10.00%
Employer matching contribution, percent of match (in hundredths)			100.00%
Deferred Compensation Plans \| Nonqualified Plan \| Key employees
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution, percent of match (in hundredths)			50.00%
Non Employee Director Equity Compensation Plan \| Nonqualified Plan
Defined Contribution Plan Disclosure [Line Items]
Entity's stock reserved to fund under this plan (in shares)			225,000
Deferred compensation liability under this plan			$ 0	$ 0