Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Aug. 01, 2021	Aug. 02, 2020	Aug. 01, 2021	Aug. 02, 2020
Condensed Consolidated Statements of Income [Abstract]
Revenue	[1]	$ 170,643	$ 157,895	$ 482,473	$ 460,405
Cost of goods sold		125,318	120,161	367,370	357,636
Gross profit		45,325	37,734	115,103	102,769
Operating expenses:
Selling, general and administrative		15,083	13,306	43,203	40,792
Research and development		5,305	4,492	14,390	13,034
Total operating expenses		20,388	17,798	57,593	53,826
Other operating income, net		3,525	0	3,525	0
Operating income		28,462	19,936	61,035	48,943
Other non-operating income (expense):
Foreign currency transactions impact, net		4,301	(1,565)	3,627	1,739
Interest expense, net		(1,060)	(586)	(637)	(1,609)
Interest income and other income (expense), net		494	16	653	480
Income before income tax provision		32,197	17,801	64,678	49,553
Income tax provision		7,842	4,937	14,493	17,789
Net income		24,355	12,864	50,185	31,764
Net income attributable to noncontrolling interests		7,279	2,088	14,547	4,404
Net income attributable to Photronics, Inc. shareholders		$ 17,076	$ 10,776	$ 35,638	$ 27,360
Earnings per share:
Basic (in dollars per share)		$ 0.28	$ 0.17	$ 0.58	$ 0.42
Diluted (in dollars per share)		$ 0.28	$ 0.17	$ 0.57	$ 0.42
Weighted-average number of common shares outstanding:
Basic (in shares)		60,884	64,780	61,804	65,090
Diluted (in shares)		61,515	65,247	62,362	65,704

[1] This table disaggregates revenue by the location in which it was earned.