SEGMENT REPORTING - Summay of financial information for reportable segments (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 31, 2024	Oct. 31, 2024	Jun. 30, 2023	Oct. 31, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Total revenues	$ 89,943	$ 616,249	$ 6,983	$ 799,738	$ 14,057
Total operating expenses	27,587	86,332	3,870	144,615	7,685
Operating income (loss)	(10,515)	64,407	3,113	75,936	6,372
Immersion
Segment Reporting Information [Line Items]
Total revenues	1,900	14,127	6,983	62,552	14,057
Total operating expenses	1,752	4,165	3,870	17,576	7,685
Operating income (loss)	148	9,962	3,113	44,976	6,372
Barnes & Noble Education
Segment Reporting Information [Line Items]
Total revenues	88,043	602,122	0	737,186	0
Total cost of sales (excludes depreciation and amortization expense)	72,871	465,510	0	579,187	0
Total operating expenses	25,835	82,167	0	127,039	0
Operating income (loss)	$ (10,663)	$ 54,445	$ 0	$ 30,960	$ 0