XML 68 R50.htm IDEA: XBRL DOCUMENT v3.3.1.900

Pension Plans - Weighted-Average Assumptions Used to Determine Benefit Obligations (Detail)	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	4.25%	4.00%
Rate of compensation increase	0.00%	0.00%

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=58740216&loc=d3e1928-114920

+ Details

Name:	us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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