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Acquisitions - Narrative (Details) $ in Millions |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 02, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Nov. 01, 2023 USD ($) period
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of annual performance periods | period |  |  |  |  |  |  |  | 2
Fiscal 2024 Acquisitions |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Pro forma revenue |  | $ 2,100.0 | $ 2,300.0 | $ 6,200.0 | $ 6,600.0 |  |  |
Pro forma earnings |  |  |  | 0.0 | 0.0 |  |  |
Sales |  | 13.6 |  | 60.4 |  |  |  |
Acquisition related costs |  | 0.0 |  | 0.0 |  |  |  |
Impact on earnings |  | 9.0 |  | 43.0 |  |  |  |
Clearpath Robotics |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Intangible assets | $ 313.4 |  |  |  |  |  |  |
Obsolescence factor phase out period | 12 years |  |  |  |  |  |  |
Weighted average royalty rate | 2.05% |  |  |  |  |  |  |
Contingent consideration range of outcomes, value, high |  |  |  |  |  |  |  | $ 50.0
Increase (decrease) in contingent liability |  |  |  | (7.0) |  |  |  |
Clearpath Robotics | Fair Value, Inputs, Level 3 |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Contingent liability |  | 26.2 |  | $ 26.2 |  | $ 43.0 | $ 43.0 |
Fiscal 2023 Acquisitions |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Pro forma revenue |  |  | 2,200.0 |  | 6,500.0 |  |  |
Pro forma earnings |  | $ 0.0 |  |  | 0.0 |  |  |
Sales |  |  | 23.8 |  | 59.4 |  |  |
Acquisition related costs |  |  | $ 0.0 |  | $ 0.0 |  |  |
Customer Relationships | Clearpath Robotics |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Intangible assets | $ 1.9 |  |  |  |  |  |  |
Patented Technology | Clearpath Robotics |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Intangible assets | 269.9 |  |  |  |  |  |  |
Trademarks | Clearpath Robotics |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Intangible assets | $ 41.6 |  |  |  |  |  |  |

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