OTHER CURRENT ASSETS (Details) - USD ($) $ in Millions	Oct. 31, 2025	Oct. 31, 2024
OTHER CURRENT ASSETS [Abstract]
Expected tax credits receivable	$ 10.9	$ 5.0

The receivable amount of federal investment tax credits refund expected to be realized or consumed within one year or operating cycle, if longer.

No definition available.

Name:	plab_FederalInvestmentTaxCreditsRefundReceivableCurrent
Namespace Prefix:	plab_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant