The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iv)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Share-Based Awards - Assumptions Used to Calculate Fair Value (Details)	1 Months Ended
	Aug. 31, 2022	Feb. 28, 2022	May 31, 2021	Feb. 28, 2021
Performance Restricted Units (PRSU)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility		55.00%	55.00%	52.00%
Risk-free interest rate		1.58%	0.27%	0.18%
Aspirational Share Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	54.50%
Risk-free interest rate	3.23%