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v3.21.2

Statements of Consolidated Cash Flows (Unaudited) (Parenthetical) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2021 USD ($)
Corporate Aircraft [Member] |
Non cash term loan | $ 20.5

X
- Definition Non cash term loan. + References No definition available. + Details
Name: | plpc_NonCashTermLoan
Namespace Prefix: | plpc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=plpc_CorporateAircraftMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |