Commitments and Contingencies - Contingent consideration (Details) - TBBC $ in Millions	12 Months Ended	36 Months Ended
Feb. 03, 2018 USD ($) individual	Jan. 30, 2021 USD ($)
Business combination
Contingent consideration, High end of range	$ 4
Period over which contingent consideration will be payable	4 years
Contingent consideration paid		$ 1
Contingent consideration earned, payable next fiscal year		$ 1
Number of sellers that is an employee \| individual	1

Amount of cash outflow for payments of acquisition-related contingent consideration.

No definition available.

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Namespace Prefix:	oxm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the period over which potential cash that could result from the contingent consideration arrangement would be payable.

+ References

No definition available.

+ Details

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Namespace Prefix:	oxm_
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Balance Type:	na
Period Type:	duration

- Definition

Number of sellers of acquired business that is employee of entity.

+ References

No definition available.

+ Details

Name:	oxm_BusinessCombinationNumberOfSellersEmployeeOfEntity
Namespace Prefix:	oxm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

+ Details

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

- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478

+ Details

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

- Details

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