XML 62 R50.htm IDEA: XBRL DOCUMENT v3.20.2

Pension Plans - Additional Information (Detail) - USD ($)	3 Months Ended	6 Months Ended
	Sep. 30, 2020	Jun. 30, 2020
Pension And Other Employee Benefit Plans [Line Items]
Contribution to pension plan		$ 0
Scenario Forecast [Member]
Pension And Other Employee Benefit Plans [Line Items]
Contribution to pension plan	$ 300,000

X

- Definition

Pension and other employee benefit plans.

+ References

No definition available.

+ Details

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Namespace Prefix:	plpc_
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Balance Type:	na
Period Type:	duration

X

- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
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Period Type:	duration

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- Details

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