REVENUE, Impact of Adoption on Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Apr. 28, 2019	Oct. 31, 2018
Assets [Abstract]
Accounts receivable	$ 123,371	$ 120,515
Inventory	34,696	29,180
Other current assets	38,304	16,858
Deferred income taxes	15,121	18,109
Liabilities [Abstract]
Accrued liabilities	58,659	44,474
Deferred income taxes	829	643
Equity [Abstract]
Total Photronics, Inc. shareholders' equity	763,568	759,671
Noncontrolling interests	134,760	144,898
Adjustments [Member] \| ASU 2014-09 [Member]
Assets [Abstract]
Accounts receivable	(794)	600
Inventory	4,807	(3,700)
Other current assets	(6,237)
Deferred income taxes	105
Liabilities [Abstract]
Accrued liabilities	686
Deferred income taxes	(367)
Equity [Abstract]
Total Photronics, Inc. shareholders' equity	(1,963)
Noncontrolling interests	(475)	$ 100
Balance without Adoption of Topic 606 [Member] \| ASU 2014-09 [Member]
Assets [Abstract]
Accounts receivable	122,577
Inventory	39,503
Other current assets	32,067
Deferred income taxes	15,226
Liabilities [Abstract]
Accrued liabilities	59,345
Deferred income taxes	462
Equity [Abstract]
Total Photronics, Inc. shareholders' equity	761,605
Noncontrolling interests	$ 134,285

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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