Represents the amount of reclassification during the period of certain tax effects from accumulated other comprehensive income to retained earnings, per ASU 2018-02.

No definition available.

Name:	bset_ReclassificationOfCertainTaxEffectsFromAccumulatedOtherComprehensiveIncomeToRetainedEarningsPerASU201802
Namespace Prefix:	bset_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Note 14 - Recent Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 25, 2018	Aug. 26, 2017	Aug. 25, 2018	Aug. 26, 2017
Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income to Retained Earnings Per ASU 2018-02			$ 545
ASU 2018-02 [Member]
Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income to Retained Earnings Per ASU 2018-02			$ 545