PDMCX JOINT VENTURE - Carrying Amounts and Exposure to Loss Related to Assets and Liabilities (Details) - USD ($) $ in Thousands	Aug. 02, 2026	Oct. 31, 2025
Carrying Amount [Member]
PDMCX JOINT VENTURE [Abstract]
Current assets	$ 227,808	$ 180,289
Noncurrent assets	172,405	166,756
Total assets	400,213	347,045
Current liabilities	30,484	23,193
Noncurrent liabilities	3,115	2,970
Total liabilities	33,599	26,163
Net assets	366,614	320,882
Photronics Interest [Member]
PDMCX JOINT VENTURE [Abstract]
Current assets	113,927	90,163
Noncurrent assets	86,220	83,395
Total assets	200,147	173,558
Current liabilities	15,245	11,599
Noncurrent liabilities	1,558	1,485
Total liabilities	16,803	13,084
Net assets	$ 183,344	$ 160,474

Amount of asset recognized for present right to economic benefit.

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