REVENUE, Impact of Adoption on Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Oct. 31, 2019	Oct. 31, 2018
Assets [Abstract]
Accounts receivable	$ 134,454	$ 120,515
Inventory	48,155	29,180
Other current assets	38,388	23,759
Deferred income taxes	20,779	18,109
Liabilities [Abstract]
Accrued liabilities	49,702	44,474
Equity [Abstract]
Photronics, Inc. shareholders' equity	769,892	759,671
Noncontrolling interests	141,200	144,898
Adjustments [Member] \| ASU 2014-09 [Member]
Assets [Abstract]
Accounts receivable	(1,559)	600
Inventory	6,093	(3,700)
Other current assets	(7,595)
Deferred income taxes	90
Liabilities [Abstract]
Accrued liabilities	(110)
Equity [Abstract]
Photronics, Inc. shareholders' equity	(1,976)
Noncontrolling interests	(885)	$ 100
Balance without Adoption of Topic 606 [Member] \| ASU 2014-09 [Member]
Assets [Abstract]
Accounts receivable	132,895
Inventory	54,248
Other current assets	30,793
Deferred income taxes	20,869
Liabilities [Abstract]
Accrued liabilities	49,592
Equity [Abstract]
Photronics, Inc. shareholders' equity	767,916
Noncontrolling interests	$ 140,315

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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