REVENUE, Impact of Adoption on Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Jul. 28, 2019	Oct. 31, 2018
Assets [Abstract]
Accounts receivable	$ 134,369	$ 120,515
Inventory	39,982	29,180
Other current assets	38,434	16,858
Deferred income taxes	17,498	18,109
Liabilities [Abstract]
Accrued liabilities	65,236	44,474
Deferred income taxes	518	643
Equity [Abstract]
Total Photronics, Inc. shareholders' equity	763,394	759,671
Noncontrolling interests	136,944	144,898
Adjustments [Member] \| ASU 2014-09 [Member]
Assets [Abstract]
Accounts receivable	(363)	600
Inventory	4,744	(3,700)
Other current assets	(6,209)
Deferred income taxes	103
Liabilities [Abstract]
Accrued liabilities	743
Deferred income taxes	(326)
Equity [Abstract]
Total Photronics, Inc. shareholders' equity	(1,728)
Noncontrolling interests	(414)	$ 100
Balance without Adoption of Topic 606 [Member] \| ASU 2014-09 [Member]
Assets [Abstract]
Accounts receivable	134,006
Inventory	44,726
Other current assets	32,225
Deferred income taxes	17,601
Liabilities [Abstract]
Accrued liabilities	65,979
Deferred income taxes	192
Equity [Abstract]
Total Photronics, Inc. shareholders' equity	761,666
Noncontrolling interests	$ 136,530

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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