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Fair Value Measurements - Additional Information (Details)	Sep. 30, 2025 USD ($)
Fair Value Disclosures [Abstract]
Financial instrument, percentage of fair value in excess of carrying amount	$ 0.04

X

- Definition

Financial Instrument, Percentage Of Fair Value In Excess Of Carrying Amount

+ References

No definition available.

+ Details

Name:	npo_FinancialInstrumentPercentageOfFairValueInExcessOfCarryingAmount
Namespace Prefix:	npo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- References

No definition available.

+ Details

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