Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Consolidated Statements of Income [Abstract]
Revenue	[1]	$ 663,761	$ 609,691	$ 550,660
Cost of goods sold		496,717	475,037	429,819
Gross profit		167,044	134,654	120,841
Operating expenses:
Selling, general and administrative		57,525	53,582	52,326
Research and development		18,490	17,144	16,394
Total operating expenses		76,015	70,726	68,720
Other operating income, net		3,525	0	0
Operating income		94,554	63,928	52,121
Non-operating income (expense):
Foreign currency transactions' impacts, net		7,972	(501)	(1,266)
Interest expense		(1,685)	(2,367)	(1,425)
Interest income and other income, net		1,165	541	1,271
Income before income tax provision		102,006	61,601	50,701
Income tax provision		23,190	21,258	10,210
Net income		78,816	40,343	40,491
Net income attributable to noncontrolling interests		23,367	6,523	10,698
Net income attributable to Photronics, Inc. shareholders		$ 55,449	$ 33,820	$ 29,793
Earnings per share:
Basic (in dollars per share)		$ 0.90	$ 0.52	$ 0.45
Diluted (in dollars per share)		$ 0.89	$ 0.52	$ 0.44
Weighted-average number of common shares outstanding:
Basic (in shares)		61,407	64,866	66,347
Diluted (in shares)		61,999	65,470	69,155

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