v3.25.4

Note 10 - Post-employment Benefit Obligations - Non-current Portion of Obligations (Details) - USD ($) $ in Thousands	Nov. 29, 2025	Nov. 30, 2024
Post employment benefit obligations	$ 11,379	$ 10,882
Defined Benefit Plans [Member]
Post employment benefit obligations	6,175	6,125
Defined Benefit Plans [Member] | Supplemental Plan [Member]
Post employment benefit obligations	4,917	4,845
Defined Benefit Plans [Member] | LTC Awards [Member]
Post employment benefit obligations	1,258	1,280
Deferred Compensation Plans [Member]
Post employment benefit obligations	5,204	4,757
Deferred Compensation Plans [Member] | Management Savings Plan [member]
Post employment benefit obligations	3,968	3,486
Deferred Compensation Plans [Member] | Unfunded Deferred Compensation Plan [Member]
Post employment benefit obligations	$ 1,236	$ 1,271

X

- Definition

For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement that is payable after one year (or beyond the operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 712
-SubTopic 10
-Name Accounting Standards Codification
-Section 25
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481179/712-10-25-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 712
-SubTopic 10
-Name Accounting Standards Codification
-Section 25
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481179/712-10-25-5

+ Details

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

X

- Details

Name:	us-gaap_RetirementPlanTypeAxis=bset_DefinedBenefitPlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanNameAxis=bset_SupplementalPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanNameAxis=bset_LTCAwardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanTypeAxis=bset_DeferredCompensationPlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanNameAxis=bset_ManagementSavingsPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanNameAxis=bset_UnfundedDeferredCompensationPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: