INCOME TAXES, Components of Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Components of Income Before Income Tax Provision [Abstract]
United States	$ 20,145	$ (1,737)	$ 1,813
Foreign	227,270	271,683	237,220
Income before income tax provision	247,415	269,946	239,033
Current [Abstract]
Federal	0	0	0
State	95	14	1
Foreign	64,861	71,225	58,981
Current income tax provision	64,956	71,239	58,982
Deferred [Abstract]
Federal	0	0	0
State	13	12	10
Foreign	(1,402)	(939)	799
Deferred income tax provision	(1,389)	(927)	809
Income tax provision, Total	63,567	70,312	59,791
Income Tax Provision Reconciliation [Abstract]
U.S. federal income tax at statutory rate	51,957	56,689	50,197
Changes in valuation allowance	(1,986)	(256)	(1,462)
Foreign rate differential	10,695	11,394	7,941
Tax credits	(5,209)	(2,425)	(1,368)
Uncertain tax positions, including reserves, settlements and resolutions	6,226	3,328	3,214
Other, net	1,884	1,582	1,269
Income tax provision, Total	$ 63,567	$ 70,312	$ 59,791
U.S. statutory tax rates	21.00%	21.00%	21.00%
Photronics effective tax rates	25.70%	26.00%	25.00%
Deferred Income Tax Assets [Abstract]
Net operating losses	$ 18,941	$ 26,377
Reserves not currently deductible	9,892	8,776
Tax credit carryforwards	12,550	10,442
Share-based compensation	3,102	1,892
Property, plant and equipment	10,710	9,844
Lease liabilities	4,116	5,743
Research intangibles	2,721	0
Deferred tax assets	62,032	63,074
Valuation allowances	(30,633)	(32,619)
Deferred tax assets net of valuation allowance	31,399	30,455
Deferred Income Tax Liabilities [Abstract]
ROU assets	(7,351)	(8,193)
Other	(1,458)	(1,200)
Deferred income taxes liabilities	(8,809)	(9,393)
Net deferred income tax assets	22,590	21,062
Classification [Abstract]
Deferred income tax assets	23,059	21,297
Other liabilities	(469)	(235)
Net deferred income tax assets	$ 22,590	$ 21,062