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v3.25.2

Significant Accounting Policies (Details) | 6 Months Ended
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Jun. 30, 2025
Accounting Policies [Abstract] |
Percentage of ownership in earnings of subsidiary | 100.00%

X
- Definition Percentage of ownership in earnings of subsidiary. + References No definition available. + Details
Name: | plpc_PercentageOfOwnershipInEarningsOfSubsidiary
Namespace Prefix: | plpc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration