Ratio of number of Rights that can be converted to number of shares.

No definition available.

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Namespace Prefix:	elvr_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

The date on which plans vested are going to vest, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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Namespace Prefix:	elvr_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Share based payments award vesting period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

No definition available.

+ Details

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Namespace Prefix:	elvr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The date on which share-based payment arrangements are granted. [Refer: Types of share-based payment arrangements [domain]]

+ References

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+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

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+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Share Based Payments, Share Based Payment Arrangements (Details)		12 Months Ended
	Sep. 22, 2025	Jun. 30, 2026 $ / shares	Jun. 30, 2025
Share Based Payment [Abstract]
Number of shares issued (in shares)	150	1
Deferred Short-Term Incentive Plan [Member]
Share Based Payment [Abstract]
Awards granted date		21 November 2025	28 November 2024
FY25 Deferred Short-Term Incentive Plan [Member]
Share Based Payment [Abstract]
Vesting date		Oct. 31, 2026
FY26 Deferred Short-Term Incentive Plan [Member]
Share Based Payment [Abstract]
Vesting date		Sep. 30, 2027
Employee Share Plan [Member]
Share Based Payment [Abstract]
Awards granted date		12 December 2025	31 December 2024
Long-Term Incentive Plan [Member]
Share Based Payment [Abstract]
Awards granted date		21 November 2025	28 November 2024
Vesting period		3 years
Piedmont Stock Incentive Plan [Member]
Share Based Payment [Abstract]
Awards granted date		29 August 2025
Piedmont Stock Incentive Plan [Member] \| Minimum [Member]
Share Based Payment [Abstract]
Exercise price (in dollars per share)		$ 6
Piedmont Stock Incentive Plan [Member] \| Maximum [Member]
Share Based Payment [Abstract]
Exercise price (in dollars per share)		$ 19.5