Summary of Fair Value Assumptions (Details)	3 Months Ended	12 Months Ended
Dec. 31, 2022	Sep. 30, 2022	Sep. 30, 2021
Disclosure Of Issued Capital [Abstract]
Risk-free interest rate	1.90%	1.39%	34.00%
Expected life (years)	2 years 11 months 4 days	2 years 10 months 13 days	2 years 11 months 26 days
Expected volatility	42.12%	47.99%	37.00%
Expected dividend yield	0.65%	0.14%	0.00%
Estimated forfeiture rate	1.72%	0.50%	1.98%

Description of Forfeiture Rate Share Options Granted.

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- Definition

Disclosure of issued capital.

+ References

No definition available.

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- Definition

Expected Life Share Options Granted.

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No definition available.

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- Definition

The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 47
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_a_i&doctype=Standard
-URIDate 2021-03-24

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- Definition

The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]

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- Definition

The percentage of an expected dividend used to calculate the fair value of share options granted.

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