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Note 3 - Business Combination - Acquisition of Zenith (Details) - Acquired Identifiable Intangible Assets (Zenith Freight Lines [Member], USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Feb. 28, 2015
Note 3 - Business Combination - Acquisition of Zenith (Details) - Acquired Identifiable Intangible Assets [Line Items]  
Fair Value $ 6,362us-gaap_FinitelivedIntangibleAssetsAcquired1
Trade Names [Member]  
Note 3 - Business Combination - Acquisition of Zenith (Details) - Acquired Identifiable Intangible Assets [Line Items]  
Trade names Indefinite
Trade names 2,490us-gaap_IndefinitelivedIntangibleAssetsAcquired
/ us-gaap_BusinessAcquisitionAxis
= bset_ZenithFreightLinesMember
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
Customer Relationships [Member]  
Note 3 - Business Combination - Acquisition of Zenith (Details) - Acquired Identifiable Intangible Assets [Line Items]  
Useful Life 15 years
Fair Value 3,038us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_BusinessAcquisitionAxis
= bset_ZenithFreightLinesMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Technology-Based Intangible Assets [Member]  
Note 3 - Business Combination - Acquisition of Zenith (Details) - Acquired Identifiable Intangible Assets [Line Items]  
Useful Life 7 years
Fair Value $ 834us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_BusinessAcquisitionAxis
= bset_ZenithFreightLinesMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember