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Goodwill and Purchased Intangible Assets - Goodwill Allocated to Reportable Segments (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Goodwill [Line Items] |  |
Gross | $ 2,130.5 | $ 2,150.7
Accumulated Impairment | (1,103.8) | (1,101.7)
Net | 1,026.7 | 1,049.0
Access Equipment |  |
Goodwill [Line Items] |  |
Gross | 1,782.8 | 1,809.7
Accumulated Impairment | (932.1) | (932.1)
Net | 850.7 | 877.6
Defense |  |
Goodwill [Line Items] |  |
Gross | 44.4 | 44.4
Net | 44.4 | 44.4
Fire & Emergency |  |
Goodwill [Line Items] |  |
Gross | 115.0 | 108.1
Accumulated Impairment | (2.0) | (2.0)
Net | 113.0 | 106.1
Commercial |  |
Goodwill [Line Items] |  |
Gross | 188.3 | 188.5
Accumulated Impairment | (169.7) | (167.6)
Net | $ 18.6 | $ 20.9

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