Note 14 - Revenue Recognition (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Mar. 02, 2019	Nov. 24, 2018
Contract with Customer, Liability, Total	$ 24,416	$ 27,157
Contract with Customer, Asset, Net, Total	528	512
Sales Commissions [Member] \| Other Current Assets [Member]
Capitalized Contract Cost, Net, Total	$ 2,453	$ 2,739
Logistical Services [Member]
Invoice Payment Term	30 days
Minimum [Member]
Payment Terms For Wholesale Customers	30 days
Maximum [Member]
Payment Terms For Wholesale Customers	60 days
Revenue, Performance Obligation,Timing	1 year
Contract with Customer, Timing of Payment	1 year

Period of time between transfer of our goods or services and the collection of consideration from the customer .

No definition available.

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

- Definition

Period within which invoice is due.

+ References

No definition available.

+ Details

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

- Definition

The payment terms for wholesale customers.

+ References

No definition available.

+ Details

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

- Definition

Timing for satisfying performance obligation in contract with customer, period between placement of orders and transfer of goods and services.

+ References

No definition available.

+ Details

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

- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054

+ Details

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

- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130533-203044

+ Details

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

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044

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-Publisher FASB
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-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130532-203044

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

+ Details

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

- Details

Name:	us-gaap_CapitalizedContractCostAxis=bset_SalesCommissionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=bset_LogisticalServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
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Period Type: