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Condensed Financial Information of the Parent Company (Details)	Sep. 30, 2022
Condensed Financial Information Disclosure [Abstract]
Subsidiary exceeded percentage	25.00%

X

- References

No definition available.

+ Details

Name:	srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract
Namespace Prefix:	srt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Subsidiary exceeded percentage.

+ References

No definition available.

+ Details

Name:	upc_MinorityInterestsOwnershipPercentageByParent
Namespace Prefix:	upc_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant