XML 23 R47.htm IDEA: XBRL DOCUMENT v2.4.1.9

Fair Value of Financial Assets and Liabilities - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Fair value liabilities Level 2	$ 0plpc_FairValueLiabilitiesLevelTwoTransfersInAndOutAmount

X

- Definition

Fair value liabilities level two transfers in and out amount.

+ References

No definition available.

+ Details

Name:	plpc_FairValueLiabilitiesLevelTwoTransfersInAndOutAmount
Namespace Prefix:	plpc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

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