INCOME TAXES, Components of Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Components of Income Before Income Tax Provision [Abstract]
United States	$ (1,737)	$ 1,813	$ (19,447)
Foreign	271,683	237,220	121,453
Income before income tax provision	269,946	239,033	102,006
Current [Abstract]
Federal	0	0	0
State	14	1	4
Foreign	71,225	58,981	25,296
Current income tax provision	71,239	58,982	25,300
Deferred [Abstract]
Federal	0	0	0
State	12	10	103
Foreign	(939)	799	(2,213)
Deferred income tax provision	(927)	809	(2,110)
Income tax provision, Total	70,312	59,791	23,190
Income Tax Provision Reconciliation [Abstract]
U.S. federal income tax at statutory rate	56,689	50,197	21,421
Changes in valuation allowances	(256)	(1,462)	364
Foreign tax rate differentials	11,394	7,941	3,244
Tax credits	(2,425)	(1,368)	(3,942)
Uncertain tax positions, including reserves, settlements and resolutions	3,328	3,214	1,037
Other, net	1,582	1,269	1,066
Income tax provision, Total	$ 70,312	$ 59,791	$ 23,190
U.S. statutory tax rates	21.00%	21.00%	21.00%
Photronics effective tax rates	26.00%	25.00%	22.70%
Deferred Income Tax Assets [Abstract]
Net operating losses	$ 26,377	$ 29,410
Reserves not currently deductible	8,776	8,528
Tax credit carryforwards	10,442	9,660
Share-based compensation	1,892	1,560
Property, plant and equipment	9,844	6,591
Lease liabilities	5,743	7,367
Deferred tax assets	63,074	63,116
Valuation allowances	(32,619)	(32,895)
Deferred tax assets net of valuation allowance	30,455	30,221
Deferred Income Tax Liabilities [Abstract]
ROU assets	(8,193)	(8,930)
Other	(1,200)	(1,722)
Deferred income taxes liabilities	(9,393)	(10,652)
Net deferred income tax assets	21,062	19,569
Classification [Abstract]
Deferred income tax assets	21,297	19,816
Other liabilities	(235)	(247)
Net deferred income tax assets	$ 21,062	$ 19,569