Note 15 - Leases and Lease Guarantees (Details Textual) $ in Thousands	12 Months Ended
Nov. 26, 2022 USD ($) ft²	Nov. 28, 2020 USD ($)	Nov. 27, 2021 USD ($)
Rent Abatement		$ 775
Loss Contingency, Estimate of Possible Loss	$ 1,828		$ 1,794
Lease Obligations of Licensee Operators [Member]
Loss Contingency, Estimate of Possible Loss	$ 1,880		$ 1,845
Post Oak Plaza in Houston, Texas [Member]
Area of Real Estate Property (Square Foot) \| ft²	9,597
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year)	10 years
Lessee, Operating Lease, Lease Not yet Commenced, Monthly Payments	$ 36
Lessee, Operating Lease, Lease Not yet Commenced, Renewal Options	3
Lessee, Operating Lease, Lease Not yet Commenced, Renewal Term (Year)	5 years
Warehouse Space Near Dallas, Texas and Columbus, Ohio [Member]
Area of Real Estate Property (Square Foot) \| ft²	61,182
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year)	5 years
Lessee, Operating Lease, Lease Not yet Commenced, Monthly Payments	$ 41

Amount of monthly payments for operating leases not yet commenced.

No definition available.

Name:	bset_LesseeOperatingLeaseLeaseNotYetCommencedMonthlyPayments
Namespace Prefix:	bset_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the number of renewal options for operating leases not yet commenced.

+ References

No definition available.

+ Details

Name:	bset_LesseeOperatingLeaseLeaseNotYetCommencedRenewalOptions
Namespace Prefix:	bset_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the amount of rent abatement during the period.

+ References

No definition available.

+ Details

Name:	bset_RentAbatement
Namespace Prefix:	bset_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease renewal for lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedRenewalTerm1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12021-110248

+ Details

Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=bset_LeaseObligationsOfLicenseeOperatorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=bset_PostOakPlazaInHoustonTexasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=bset_WarehouseSpaceNearDallasTexasAndColumbusOhioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: