REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands		12 Months Ended
		Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
REVENUE [Abstract]
Revenue	[1]	$ 849,294	$ 866,946	$ 892,076
High-end [Member]
REVENUE [Abstract]
Revenue		238,865	228,469	194,939
Mainstream [Member]
REVENUE [Abstract]
Revenue		376,239	409,682	456,340
IC [Member]
REVENUE [Abstract]
Revenue		615,104	638,151	651,279
High-end [Member]
REVENUE [Abstract]
Revenue		195,520	195,365	200,842
Mainstream [Member]
REVENUE [Abstract]
Revenue		38,670	33,430	39,955
FPD [Member]
REVENUE [Abstract]
Revenue		234,190	228,795	240,797
Taiwan [Member]
REVENUE [Abstract]
Revenue	[1]	283,844	288,275	316,889
China [Member]
REVENUE [Abstract]
Revenue	[1]	221,005	232,941	245,378
South Korea [Member]
REVENUE [Abstract]
Revenue	[1]	158,524	158,017	162,235
United States [Member]
REVENUE [Abstract]
Revenue	[1]	148,915	146,652	128,879
Europe [Member]
REVENUE [Abstract]
Revenue	[1]	34,075	39,244	36,579
Other [Member]
REVENUE [Abstract]
Revenue	[1]	2,931	1,817	2,116
Over Time [Member]
REVENUE [Abstract]
Revenue		818,404	831,500	838,628
At a Point in Time [Member]
REVENUE [Abstract]
Revenue		$ 30,890	$ 35,446	$ 53,448

[1] This table disaggregates revenue by the location in which it was earned.