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Other Long-Term Assets (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Sep. 30, 2019
--- | --- | ---
Other Assets Noncurrent Disclosure [Abstract] |  |
Lease right of use asset (See Note 12 of Notes to Consolidated Financial Statements) | $ 162.2 |
Deferred income taxes, net (See Note 6 of Notes to Consolidated Financial Statements) | 78.6 | $ 107.9
Rabbi trust, less current portion | 17.9 | 20.0
Investments in unconsolidated affiliates | 12.6 | 11.0
Customer finance receivables | 5.6 | 7.2
Other | 10.1 | 10.7
Other long-term assets, gross | 287.0 | 156.8
Less allowance for doubtful receivables | (0.5) | (0.4)
Other long-term assets, net | $ 286.5 | $ 156.4

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