PDMCX JOINT VENTURE, Carrying Amounts of Assets and Liabilities (Details) - USD ($) $ in Thousands	May 03, 2020	Oct. 31, 2019
Carrying amounts of assets and liabilities [Abstract]
Current assets	$ 472,271	$ 427,527
Total assets	1,133,888	1,118,665
Current liabilities	153,372	151,954
Total liabilities	212,230	207,573
Carrying Amount [Member]
Carrying amounts of assets and liabilities [Abstract]
Current assets	45,646	24,142
Non-current assets	104,972	114,015
Total assets	150,618	138,157
Current liabilities	28,785	16,889
Non-current liabilities	35,831	42,094
Total liabilities	64,616	58,983
Net assets	86,002	79,174
Photronics Interest [Member]
Carrying amounts of assets and liabilities [Abstract]
Current assets	22,828	12,074
Non-current assets	52,496	57,019
Total assets	75,324	69,093
Current liabilities	14,395	8,446
Non-current liabilities	17,919	21,051
Total liabilities	32,314	29,497
Net assets	$ 43,010	$ 39,596