v3.25.4

Note 3 - Financial Instruments, Investments and Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Nov. 29, 2025	Nov. 30, 2024
Short-Term Investments	$ 17,963	$ 20,360
Financial Institution Providing Merchant Services [Member]
Short-Term Investments		$ 2,500
Certificates of Deposit Terms		6 months
Interest Rate of Certificates of Deposit		2.00%
Minimum [Member]
Certificates of Deposit Terms	6 months
Interest Rate of Certificates of Deposit	2.01%
Maximum [Member]
Certificates of Deposit Terms	12 months
Interest Rate of Certificates of Deposit	4.21%
Weighted Average [Member]
Certificates of Deposit Terms	3 months
Interest Rate of Certificates of Deposit	4.00%

X

- Definition

Represents the original terms of certificates of deposit.

+ References

No definition available.

+ Details

Name:	bset_CertificatesOfDepositTerms
Namespace Prefix:	bset_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the interest rate for certificates of deposit.

+ References

No definition available.

+ Details

Name:	bset_InterestRateOfCertificatesOfDeposit
Namespace Prefix:	bset_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(8))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

X

- Details

Name:	us-gaap_InvestmentIssuerNameAxis=bset_FinancialInstitutionProvidingMerchantServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: