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EQUITY (Tables) | 12 Months Ended
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Sep. 30, 2024
Equity [Abstract] |
Schedule of Authorized and Issued Shares | Authorized and issued shares consisted of the following (in millions):
| September 30,
| 2024 |  | 2023
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, 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) |
Other comprehensive income (loss) before reclassifications |  | 0.6 |  |  | (10.6) |  |  | (40.4) |  |  | (2.8) |  |  |  |  | (53.2) |
Amounts reclassified from accumulated other comprehensive net income (loss) |  | — |  |  | (9.7) |  |  | 64.6 |  |  | (2.7) |  |  |  |  | 52.2 |
Income tax benefit (expense) |  | — |  |  | 5.1 |  |  | — |  |  | 1.4 |  |  |  |  | 6.5 |
Net current period other comprehensive income (loss) |  | 0.6 |  |  | (15.2) |  |  | 24.2 |  |  | (4.1) |  |  |  |  | 5.5 |
Balance at September 30, 2024 |  | $ | (21.3) |  |  | $ | 4.9 |  |  | $ | (14.4) |  |  | $ | (76.5) |  |  |  |  | $ | (107.3) |
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,
| 2024 |  | 2023 |  | 2022
Share-based compensation | $ | 79.8 |  |  | $ | 68.1 |  |  | $ | 30.3 |
Related tax benefit recognized | 14.8 |  |  | 15.6 |  |  | 4.9 |
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, 2023 | 1,191,183 |  |  | $ | 76.64 |  |  | 6.6 years |  |
Granted | 1,356,698 |  |  | 53.75 |  |  |  |  |
Exercised | (35,027) |  |  | 58.52 |  |  |  |  |
Forfeited | (135,182) |  |  | 55.69 |  |  |  |  |
Awards outstanding at September 30, 2024 | 2,377,672 |  |  | 65.03 |  |  | 7.5 years |  | $ | 71.4 |
Exercisable | 493,832 |  |  | 108.97 |  |  | 2.6 years |  | 8.9 |
Schedule of Share-Based Awards Granted | The weighted average assumptions used in the estimation of fair value for awards granted in fiscal 2024 are as follows:
Expected volatility | 38.8 | % |  |  |
Risk-free interest rate | 4.7 | % |  |  |
Expected dividend yield | 4.1 | % |  |  |
Expected life | 6.1 years |  |  |
Details of the assumptions used in the estimation of fair value for these awards are as follows:
Expected volatility | 36.6 | %
Risk-free interest rate | 4.5 | %
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, 2023 | 611,838 |  |  | $ | 89.10 |
Granted | 363,264 |  |  | 55.12 |
Vested | (77,826) |  |  | 182.87 |
Forfeited | (130,892) |  |  | 59.40 |
Awards outstanding at September 30, 2024 | 766,384 |  |  | 68.54 |
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, 2023 | 544,790 |  |  | $ | 76.85 |
Granted | 240,677 |  |  | 74.57 |
Vested (a) | (181,791) |  |  | 59.88 |
Forfeited | (194,246) |  |  | 65.89 |
Awards outstanding at September 30, 2024 | 409,430 |  |  | 86.61 |
(a)Vested at a weighted average of 100% of the target performance share units granted.

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