Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 31, 2021	Feb. 02, 2020
Condensed Consolidated Statements of Income [Abstract]
Revenue	$ 152,067	$ 159,736
Cost of goods sold	121,538	125,134
Gross profit	30,529	34,602
Operating expenses:
Selling, general and administrative	14,053	14,219
Research and development	4,710	4,080
Total operating expenses	18,763	18,299
Operating income	11,766	16,303
Other income (expense):
Foreign currency transactions impact, net	1,382	4,736
Interest income and other income, net	121	759
Interest expense	(823)	(1,798)
Income before income tax provision	12,446	20,000
Income tax provision	2,937	9,072
Net income	9,509	10,928
Net income attributable to noncontrolling interests	1,473	628
Net income attributable to Photronics, Inc. shareholders	$ 8,036	$ 10,300
Earnings per share:
Basic (in dollars per share)	$ 0.13	$ 0.16
Diluted (in dollars per share)	$ 0.13	$ 0.16
Weighted-average number of common shares outstanding:
Basic (in shares)	62,475	65,554
Diluted (in shares)	63,005	66,449