EXPANSION INTO CHINA (Details) $ in Millions	9 Months Ended
Jul. 31, 2016 USD ($)
EXPANSION INTO CHINA [Abstract]
Investment amount planned to invest in China	$ 160
Investment term	5 years

Refers to term in which company will invest the planned amount of investment in the foreign country.

No definition available.

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Namespace Prefix:	plab_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration