ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Accumulated Other Comprehensive Income, Net of Income Taxes (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended	12 Months Ended
	May 01, 2023	Jul. 31, 2023	Jul. 31, 2023	Apr. 30, 2023	Jul. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (2,889)	$ 63,651	$ (2,889)	$ (9,206)	$ 68,624
Foreign currency translation adjustment		(623)	(623)	999	(476)
Pension liability adjustments		36	36	(1,078)	(444)
Other comprehensive loss		(587)	(587)	(79)	(920)
Effect of exchange transaction	66,540
Ending balance	63,651	68,624	68,624	(2,889)	154,181
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	4,061	0	4,061	4,140	(587)
Effect of exchange transaction	(4,061)
Ending balance	0	(587)	(587)	4,061	(1,507)
Foreign currency items
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	7,062	0	7,062	6,063	(623)
Foreign currency translation adjustment		(623)		999	(476)
Pension liability adjustments		0		0	0
Other comprehensive loss		(623)		999	(476)
Effect of exchange transaction	7,062
Ending balance	0	(623)	(623)	7,062	(1,099)
Pension items
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,001)	0	(3,001)	(1,923)	36
Foreign currency translation adjustment		0		0	0
Pension liability adjustments		36		(1,078)	(444)
Other comprehensive loss		36		(1,078)	(444)
Effect of exchange transaction	(3,001)
Ending balance	$ 0	$ 36	$ 36	$ (3,001)	$ (408)