Condensed Consolidated Statements of Income (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Feb. 02, 2020	Jan. 27, 2019
Condensed Consolidated Statements of Income (unaudited) [Abstract]
Revenue	$ 159,736	$ 124,712
Cost of goods sold	125,134	98,610
Gross profit	34,602	26,102
Operating expenses:
Selling, general and administrative	14,219	13,792
Research and development	4,080	4,263
Total operating expenses	18,299	18,055
Operating income	16,303	8,047
Other income (expense):
Interest income and other income (expense), net	5,495	1,639
Interest expense	(1,798)	(531)
Income before income tax provision	20,000	9,155
Income tax provision	9,072	1,387
Net income	10,928	7,768
Net income attributable to noncontrolling interests	628	2,501
Net income attributable to Photronics, Inc. shareholders	$ 10,300	$ 5,267
Earnings per share:
Basic (in dollars per share)	$ 0.16	$ 0.08
Diluted (in dollars per share)	$ 0.16	$ 0.08
Weighted-average number of common shares outstanding:
Basic (in shares)	65,554	66,583
Diluted (in shares)	66,449	67,047