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SUPPLEMENTARY INFORMATION (Additional Information) (Details) - Barnes & Noble Education, Inc. - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Supplementary Information Disclosures [Line Items]
Restructuring and other charges	$ 2,896	$ 5,005
Severance costs related to resignation of former Chief Executive Officer		2,000
Costs associated with legal and advisory professional services restructuring and process improvements and other charges		500
Expense (reversal) related to the termination of liabilities related to a frozen retirement benefit plan		$ 1,100

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The amount of costs associated with legal and advisory professional services restructuring and process improvements and other charges.

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- Definition

The amount of severance costs related to the departure of Chief Executive Officer of subsidiary.

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Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 3A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480535/715-20-45-3A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
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-Section 50
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
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-Publisher FASB
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Amount of restructuring charges, remediation cost, and asset impairment loss.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
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