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Stock-based Compensation Plans (Tables) | 3 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | Stock options generally vest ratably over three years on each anniversary date. Compensation expense attributed to stock options is based on the fair value of the awards on their respective grant dates, using a Black-Scholes model. The assumptions used to determine the grant-date fair value are indicated below.
| November 30, 2021
Dividend yield | 1.62 | %
Risk-free rate | 1.33 | %
Expected term (in years) | 6.00

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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