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v3.23.3

Identifiable Intangible Assets Schedule of Intangible Assets and Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Indefinite-lived intangible assets: |  |  |
Goodwill | $ 93.7 | $ 98.6 | $ 115.1
Intangible Assets, Gross, (Including Goodwill) | 763.7 | 764.2 |
Accumulated amortization: |  |  |
Intangible Assets, Net (Excluding Goodwill) | 334.0 | 361.2 |
Indefinite-lived Intangible Assets, Foreign Currency Translation Gain (Loss) | (4.9) | (9.7) |
Business Combination-Related Identifiable Intangible [Member] |  |  |
Accumulated amortization: |  |  |
Accumulated Amortization | 438.1 | 411.7 |
Net book value | 325.6 | 352.5 |
Trademarks and Trade Names [Member] |  |  |
Indefinite-lived intangible assets: |  |  |
Trade names and trademarks | 272.6 | 272.7 |
Software and Software Development Costs [Member] |  |  |
Capitalized external-use software: |  |  |
Capitalized Computer Software, Gross | 38.1 | 35.5 |
Accumulated amortization | 29.7 | 26.8 |
Net book value | 8.4 | 8.7 |
Technology-Based Intangible Assets [Member] |  |  |
Finite-lived intangible assets: |  |  |
Technology | 119.6 | 119.9 |
Accumulated amortization: |  |  |
Accumulated Amortization | 95.3 | 89.5 |
Customer Relationships [Member] |  |  |
Finite-lived intangible assets: |  |  |
Customer relationships and other | 371.5 | 371.6 |
Accumulated amortization: |  |  |
Accumulated Amortization | $ 342.8 | $ 322.2 |

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