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EQUITY (Tables) | 12 Months Ended
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Sep. 30, 2023
Equity [Abstract] |
Schedule of Authorized and Issued Shares | Authorized and issued shares consisted of the following (in millions):
| September 30,
| 2023 |  | 2022
Preferred shares, no par value: |  |  |
Authorized | 0.2 shares |  | 0.2 shares
Issued | 0.0 shares |  | 0.0 shares
Common shares, no par value, $0.01 stated value per share: |  |  |
Authorized | 100.0 shares |  | 100.0 shares
Issued | 68.1 shares |  | 68.1 shares
Schedule of Accumulated Other Comprehensive Loss | Changes in AOCL by component were as follows for the fiscal years ended September 30:
|  | Foreign Currency Translation Adjustments |  | Net Unrealized Gain (Loss) On Derivative Instruments |  | Net Unrealized Loss On Securities |  | Pension and Other Post- Retirement Benefit Adjustments |  |  |  | Accumulated Other Comprehensive Income (Loss)
Balance at September 30, 2020 |  | $ | (6.2) |  |  | $ | (15.1) |  |  | $ | — |  |  | $ | (77.8) |  |  |  |  | $ | (99.1) |
Other comprehensive income (loss) before reclassifications |  | 4.5 |  |  | 26.8 |  |  | (3.1) |  |  | 6.9 |  |  |  |  | 35.1 |
Amounts reclassified from accumulated other comprehensive net income (loss) |  | — |  |  | 7.3 |  |  | — |  |  | 0.4 |  |  |  |  | 7.7 |
Income tax benefit (expense) |  | — |  |  | (8.9) |  |  | 0.8 |  |  | (1.9) |  |  |  |  | (10.0) |
Net current period other comprehensive income (loss) |  | 4.5 |  |  | 25.2 |  |  | (2.3) |  |  | 5.4 |  |  |  |  | 32.8 |
Balance at September 30, 2021 |  | (1.7) |  |  | 10.2 |  |  | (2.3) |  |  | (72.5) |  |  |  |  | (66.4) |
Other comprehensive income (loss) before reclassifications |  | (27.2) |  |  | 40.1 |  |  | (102.0) |  |  | (7.3) |  |  |  |  | (96.4) |
Amounts reclassified from accumulated other comprehensive net income (loss) |  | — |  |  | (9.1) |  |  | — |  |  | 11.7 |  |  |  |  | 2.6 |
Income tax benefit (expense) |  | — |  |  | (7.9) |  |  | 24.6 |  |  | (1.1) |  |  |  |  | 15.6 |
Net current period other comprehensive income (loss) |  | (27.2) |  |  | 23.1 |  |  | (77.4) |  |  | 3.3 |  |  |  |  | (78.2) |
Balance at September 30, 2022 |  | (28.9) |  |  | 33.3 |  |  | (79.7) |  |  | (69.3) |  |  |  |  | (144.6) |
Other comprehensive income (loss) before reclassifications |  | 7.0 |  |  | 5.6 |  |  | (34.9) |  |  | (2.5) |  |  |  |  | (24.8) |
Amounts reclassified from accumulated other comprehensive net income (loss) |  | — |  |  | (23.3) |  |  | 101.3 |  |  | (1.6) |  |  |  |  | 76.4 |
Income tax benefit (expense) |  | — |  |  | 4.5 |  |  | (25.3) |  |  | 1.0 |  |  |  |  | (19.8) |
Net current period other comprehensive income (loss) |  | 7.0 |  |  | (13.2) |  |  | 41.1 |  |  | (3.1) |  |  |  |  | 31.8 |
Balance at September 30, 2023 |  | $ | (21.9) |  |  | $ | 20.1 |  |  | $ | (38.6) |  |  | $ | (72.4) |  |  |  |  | $ | (112.8) |
The sum of the components may not equal due to rounding.
Schedule of Share-Based Compensation | Total share-based compensation was as follows for each of the periods indicated:
| Year Ended September 30,
| 2023 |  | 2022 |  | 2021
Share-based compensation | $ | 68.1 |  |  | $ | 30.3 |  |  | $ | 40.6 |
Related tax benefit recognized | 15.6 |  |  | 4.9 |  |  | 7.4 |
Schedule of Aggregate Stock Option Activity | Stock option activity was as follows:
| No. of Options |  | Wtd. Avg. Exercise Price |  | Wtd Avg Remaining Life |  | Aggregate Intrinsic Value
Awards outstanding at September 30, 2022 | 528,471 |  |  | $ | 110.86 |  |  | 4.4 years |  |
Granted | 696,268 |  |  | 52.54 |  |  |  |  |
Forfeited | (33,556) |  |  | 115.53 |  |  |  |  |
Awards outstanding at September 30, 2023 | 1,191,183 |  |  | 76.64 |  |  | 6.6 years |  | $ | 0.8 |
Exercisable | 399,223 |  |  | 66.24 |  |  | 2.2 years |  | — |
Schedule of Share-Based Awards Granted | The weighted average assumptions for awards granted in fiscal 2023 are as follows:
Expected volatility | 36.8 | % |  |  |
Risk-free interest rate | 4.3 | % |  |  |
Expected dividend yield | 3.9 | % |  |  |
Expected life | 6.1 years |  |  |
Schedule of Restricted Share-Based Award Activity | Restricted share-based award activity (including restricted stock units and deferred stock units) was as follows:
| No. of Units |  | Wtd. Avg. Grant Date Fair Value per Unit
Awards outstanding at September 30, 2022 | 320,575 |  |  | $ | 143.19 |
Granted | 479,787 |  |  | 59.48 |
Vested | (140,334) |  |  | 112.64 |
Forfeited | (48,190) |  |  | 85.48 |
Awards outstanding at September 30, 2023 | 611,838 |  |  | 89.10 |
Schedule of Performance-Based Award Activity | Performance-based award activity was as follows (based on target award amounts):
| No. of Units |  | Wtd. Avg. Grant Date Fair Value per Unit
Awards outstanding at September 30, 2022 | 113,256 |  |  | $ | 130.94 |
Granted | 707,665 |  |  | 66.00 |
Vested (a) | (250,586) |  |  | 69.16 |
Forfeited | (25,545) |  |  | 91.56 |
Awards outstanding at September 30, 2023 | 544,790 |  |  | 76.85 |
(a)Vested at a weighted average of 102% of the target performance share units granted.

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