v3.26.1
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
 11 Months Ended 12 Months Ended
Apr. 30, 2025
USD ($)
Apr. 30, 2026
USD ($)
Number
PerformanceObligation
Apr. 30, 2025
USD ($)
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Noncontrolling interest in consolidated subsidiaries $ 260,570,000 $ 270,240,000 $ 260,570,000
Impairment   0  
Goodwill 69,200,000 69,200,000 69,200,000
Impairment loss   5,089,000 1,247,000
Depreciation   38,700,000 32,000,000
Implementation costs incurred 5,500,000 3,500,000 5,500,000
Amortization of implementation costs 2,500,000 3,700,000  
Restricted cash 19,700,000 $ 19,800,000 19,700,000
Number of operating segments | Number   2  
Number of reporting segments | Number   2  
Number of performance obligations | PerformanceObligation   2  
Available-for-sale debt securities with unrealized loss positions   $ 0  
Debt Securities, available-for-sale, accrued interest, net of the allowance for credit losses $ 600,000 $ 0 $ 600,000
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Current, Statement of Financial Position [Extensible Enumeration] Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current
Adverstising costs $ 4,700,000 $ 4,100,000  
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Restricted cash 2,400,000 2,400,000 $ 2,400,000
Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Restricted cash $ 17,300,000 17,400,000 17,300,000
Barnes & Noble Education, Inc.      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Impairment loss   $ 5,100,000 $ 1,200,000
Revenue, description of payment terms   payment terms are generally 30 days and do not extend beyond one year.  
Percentage of inventory purchased 45.00% 50.00% 45.00%
LIFO adjustment     $ 6,400,000
Barnes & Noble Education, Inc. | Maximum      
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Rental periods duration   1 year