Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
May 01, 2021	May 02, 2020	Feb. 01, 2020	Feb. 02, 2019
Income Taxes
Effective income tax expense (benefit) rate (as a percent)	17.80%	(22.50%)	25.00%	26.00%
Net reduction in uncertain tax positions resulting from the settlement of uncertain tax position	$ 2
Operating loss tax rate pursuant to CARES Act provision (as a percent)		35.00%
Effective income tax benefit rate on impairment charges (as a percent)		17.00%
Unrecognized tax benefits	3
Expected decrease in unrecognized tax benefits in remainder of 2021	$ 1

Amount of decrease reasonably possible in remainder of current fiscal year for the unrecognized tax benefit.

No definition available.

Name:	oxm_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossibleRemainderOfFiscalYea
Namespace Prefix:	oxm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Effective income tax benefit rate on impairment charges, as a percent.

+ References

No definition available.

+ Details

Name:	oxm_EffectiveIncomeTaxBenefitRateImpairmentChargesPercent
Namespace Prefix:	oxm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Statutory rate of income tax expense (benefit) from application of the Coronavirus Aid, Relief, and Economic Security (CARES) Act relating to the modifications of limitations on the deductibility of net operating losses.

+ References

No definition available.

+ Details

Name:	oxm_IncomeTaxExpenseBenefitNetOperatingLossCaresActStatutoryRate
Namespace Prefix:	oxm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

+ Details

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

- References

No definition available.

+ Details

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

- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
-URI http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

+ Details

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

- Definition

Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

+ Details

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