EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Aug. 01, 2021	Jul. 31, 2022	Aug. 01, 2021
Calculation of Basic and Diluted Earnings Per Share [Abstract]
Net income attributable to Photronics, Inc. shareholders	$ 31,230	$ 17,076	$ 81,726	$ 35,638
Effect of dilutive securities	0	0	0	0
Earnings used for diluted earnings per share	$ 31,230	$ 17,076	$ 81,726	$ 35,638
Weighted-average Common Shares Computations [Abstract]
Weighted-average common shares used for basic earnings per share (in shares)	60,701	60,884	60,488	61,804
Effect of Dilutive Securities [Abstract]
Share-based payment awards (in shares)	598	631	639	558
Potentially dilutive common shares (in shares)	598	631	639	558
Weighted-average common shares used for diluted earnings per share (in shares)	61,299	61,515	61,127	62,362
Basic earnings per share (in dollars per share)	$ 0.51	$ 0.28	$ 1.35	$ 0.58
Diluted earnings per share (in dollars per share)	$ 0.51	$ 0.28	$ 1.34	$ 0.57
Antidilutive Securities [Abstract]
Total potentially dilutive shares excluded (in shares)	1	206	418	442
Share-based Payment Awards [Member]
Antidilutive Securities [Abstract]
Total potentially dilutive shares excluded (in shares)	1	206	418	442