Line of credit facility accordion feature exercised.

No definition available.

Name:	scvl_LineOfCreditFacilityAccordionFeatureExercised
Namespace Prefix:	scvl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line Of Credit Swing Line Loan Sublimit,

+ References

No definition available.

+ Details

Name:	scvl_LineOfCreditSwingLineLoanSublimit
Namespace Prefix:	scvl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of Rent Expense.

+ References

No definition available.

+ Details

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Namespace Prefix:	scvl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ 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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

+ Details

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

- Definition

Maximum amount borrowed under the credit facility at any time during the period.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=scvl_CreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
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Balance Type:
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- Details

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Debt (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
Debt (Narrative) (Details) - USD ($) $ in Millions	Apr. 16, 2020	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019
Debt Instrument [Line Items]
Credit facility interest rate description		The credit facility bears interest, at our option, at (1) the agent bank’s prime rate as defined in the Credit Agreement plus 1.0%, with the prime rate defined as the greater of (a) the Federal Fund rate plus 0.50% or (b) the interest rate announced from time to time by the agent bank as its “prime rate” or (2) LIBOR plus 1.50% to 2.50%, depending on our achievement of certain performance criteria. If the stated LIBOR rate is less than 0.75%, the LIBOR rate for purposes of calculating the interest rate under the credit facility shall be 0.75%.
Line of credit facility, expiration date		Mar. 27, 2022
Maximum amount outstanding during period		$ 7.0	$ 20.0	$ 8.7	$ 20.0
Outstanding letters of credit		1.2		1.2
Line of credit, available borrowing amount		$ 98.8		$ 98.8
Credit Agreement [Member]
Debt Instrument [Line Items]
Line of credit facility, exercised	$ 50.0
Maximum [Member]
Debt Instrument [Line Items]
Commitment fee percentage rate		0.30%
Maximum [Member] \| Credit Agreement [Member]
Debt Instrument [Line Items]
Line of credit facility, revolving commitment	100.0
Line of credit swing line sublimit	$ 15.0
Rent expenses	3.00%
Minimum [Member]
Debt Instrument [Line Items]
Commitment fee percentage rate		0.40%
Minimum [Member] \| Credit Agreement [Member]
Debt Instrument [Line Items]
Line of credit facility, revolving commitment	$ 50.0
Line of credit swing line sublimit	$ 10.0
Rent expenses	2.50%