The charge against earnings in the period to reduce the carrying amount of real property to fair value, net of tax.

No definition available.

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

- Definition

The amount of income tax benefit related to the impairment of real estate.

+ References

No definition available.

+ Details

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- Definition

Income from Continued Dumping and Subsidy Offset Act which are funds provided from the U.S. Treasury as a result of favorable legal action against Chinese suppliers that dumped furniture in the U.S.

+ References

No definition available.

+ Details

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

- Definition

The net income from Continued Dumping and Subsidy Offset Act which are funds provided from the U.S. Treasury as a result of favorable legal action against Chinese suppliers that dumped furniture in the U.S.

+ References

No definition available.

+ Details

Name:	bset_IncomeFromContinuedDumpingAndSubsidyOffsetActNet
Namespace Prefix:	bset_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

The tax effect from Continued Dumping and Subsidy Offset Act which are funds provided from the U.S. Treasury as a result of favorable legal action against Chinese suppliers that dumped furniture in the U.S.

+ References

No definition available.

+ Details

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

- Definition

The amount of income tax expenses related to the sale of investment.

+ References

No definition available.

+ Details

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

- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale.

+ References

No definition available.

+ Details

Name:	us-gaap_GainOnSaleOfInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount awarded from other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementAmountAwardedFromOtherParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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Namespace Prefix:
Data Type:	na
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- Details

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- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=bset_FormerRetailStoreLasVegasNevadaMember
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Note 21 - Quarterly Results of Operations (Details Textual) - USD ($) $ in Thousands	3 Months Ended					12 Months Ended
	Nov. 25, 2017	Aug. 26, 2017	May 27, 2017	Nov. 26, 2016	Aug. 27, 2016	Nov. 25, 2017	Nov. 26, 2016	Nov. 28, 2015
Gain on Sale of Investments			$ 2,026
Sale of Investments, Tax			1,241
Impairment of Real Estate, Net			672
Impairment of Real Estate, Tax Benefit			$ 412
Gain (Loss) on Disposition of Property Plant Equipment						$ 1,190	$ 128	$ (334)
Income from Continued Dumping and Subsidy Offset Act	$ 58					94	240	1,156
Income Tax Expense (Benefit), Effect from Continued Dumping and Subsidy Offset Act	36
Litigation Settlement, Amount Awarded from Other Party					$ 1,428		1,428
Income from Continued Dumping and Subsidy Offset Act, Net				$ 148
Income Tax Expense (Benefit)						$ 9,620	$ 9,948	$ 11,435
Continued Dumping & Subsidy Offset Act [Member]
Income Tax Expense (Benefit)				$ 92
International Market Centers, L.P. [Member]
Gain on Sale of Investments	591
Sale of Investments, Tax	$ 363
Former Retail Store, Las Vegas, Nevada [Member]
Gain (Loss) on Disposition of Property Plant Equipment		$ 1,220