XML 18 R48.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Pension Plans - Weighted-Average Assumptions Used to Determine Benefit Obligations (Detail) | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] |  |
Discount rate | 4.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate | 5.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
Rate of compensation increase | 0.00%plpc_DefinedBenefitAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease | 0.00%plpc_DefinedBenefitAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

X
- Definition Defined Benefit Assumptions Used Calculating Benefit Obligation Rate of Compensation Increase + References No definition available. + Details
Name: | plpc_DefinedBenefitAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
Namespace Prefix: | plpc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The interest rate used to adjust for the time value of money for the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration