INCOME TAXES, Components of Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Components of Income Before Income Tax Provision [Abstract]
United States	$ 1,813	$ (19,447)	$ (10,672)
Foreign	237,220	121,453	72,273
Income before income tax provision	239,033	102,006	61,601
Current [Abstract]
Federal	0	0	0
State	1	4	4
Foreign	58,981	25,296	21,698
Current income tax provision	58,982	25,300	21,702
Deferred [Abstract]
Federal	0	0	0
State	10	103	8
Foreign	799	(2,213)	(452)
Deferred income tax provision	809	(2,110)	(444)
Income tax provision, Total	59,791	23,190	21,258
Income Tax Provision Reconciliation [Abstract]
U.S. federal income tax at statutory rate	50,197	21,421	12,936
Changes in valuation allowances	(1,462)	364	6,942
Foreign tax rate differentials	7,941	3,244	1,718
Tax credits	(1,368)	(3,942)	(1,562)
Uncertain tax positions, including reserves, settlements and resolutions	3,214	1,037	1,637
Income tax holiday	0	0	(318)
Other, net	1,269	1,066	(95)
Income tax provision, Total	$ 59,791	$ 23,190	$ 21,258
U.S. statutory tax rates	21.00%	21.00%	21.00%
Photronics effective tax rates	25.00%	22.70%	34.50%
Deferred Income Tax Assets [Abstract]
Net operating losses	$ 29,410	$ 31,657
Reserves not currently deductible	8,528	8,201
Tax credit carryforwards	9,660	9,877
Share-based compensation	1,560	1,500
Property, plant and equipment	6,591	7,566
Lease liabilities	7,367	9,134
Other	0	157
Deferred tax assets	63,116	68,092
Valuation allowances	(32,895)	(34,337)
Deferred tax assets net of valuation allowance	30,221	33,755
Deferred Income Tax Liabilities [Abstract]
ROU assets	(8,930)	(9,698)
Other	(1,722)	0
Deferred income taxes liabilities	(10,652)	(9,698)
Net deferred income tax assets	19,569	24,057
Classification [Abstract]
Deferred income tax assets	19,816	24,353
Other liabilities	(247)	(296)
Net deferred income tax assets	$ 19,569	$ 24,057