PDMCX JOINT VENTURE, Carrying Amounts of Assets and Liabilities (Details) - USD ($) $ in Thousands	Aug. 02, 2020	Oct. 31, 2019
Carrying amounts of assets and liabilities [Abstract]
Current assets	$ 510,641	$ 427,527
Total assets	1,195,842	1,118,665
Current liabilities	175,309	151,954
Total liabilities	239,157	207,573
Carrying Amount [Member]
Carrying amounts of assets and liabilities [Abstract]
Current assets	64,616	24,142
Non-current assets	140,065	114,015
Total assets	204,681	138,157
Current liabilities	61,704	16,889
Non-current liabilities	38,224	42,094
Total liabilities	99,928	58,983
Net assets	104,753	79,174
Photronics Interest [Member]
Carrying amounts of assets and liabilities [Abstract]
Current assets	32,315	12,074
Non-current assets	70,046	57,019
Total assets	102,361	69,093
Current liabilities	30,858	8,446
Non-current liabilities	19,116	21,051
Total liabilities	49,974	29,497
Net assets	$ 52,387	$ 39,596