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Goodwill and Purchased Intangible Assets (Tables) | 9 Months Ended
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Jun. 30, 2021
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Goodwill | The following table presents changes in goodwill during the nine months ended June 30, 2021 (in millions):
|  | Access Equipment |  |  | Defense |  |  | Fire & Emergency |  |  | Commercial |  |  | Total |
Net goodwill at September 30, 2020 |  | $ | 882.6 |  |  | $ | — |  |  | $ | 106.1 |  |  | $ | 20.8 |  |  | $ | 1,009.5 |
Foreign currency translation |  |  | 3.1 |  |  |  | — |  |  |  | — |  |  |  | 0.2 |  |  |  | 3.3 |
Acquisition |  |  | — |  |  |  | 44.4 |  |  |  | — |  |  |  | — |  |  |  | 44.4 |
Net goodwill at June 30, 2021 |  | $ | 885.7 |  |  | $ | 44.4 |  |  | $ | 106.1 |  |  | $ | 21.0 |  |  | $ | 1,057.2 |
Schedule of Company's Goodwill Allocated to the Reportable Segments | The following table presents details of the Company’s goodwill allocated to the reportable segments (in millions):
|  | June 30, 2021 |  |  | September 30, 2020 |
|  | Gross |  |  | Accumulated Impairment |  |  | Net |  |  | Gross |  |  | Accumulated Impairment |  |  | Net |
Access Equipment |  | $ | 1,817.8 |  |  | $ | (932.1 | ) |  | $ | 885.7 |  |  | $ | 1,814.7 |  |  | $ | (932.1 | ) |  | $ | 882.6 |
Defense |  |  | 44.4 |  |  |  | — |  |  |  | 44.4 |  |  |  | — |  |  |  | — |  |  |  | — |
Fire & Emergency |  |  | 108.1 |  |  |  | (2.0 | ) |  |  | 106.1 |  |  |  | 108.1 |  |  |  | (2.0 | ) |  |  | 106.1 |
Commercial |  |  | 188.6 |  |  |  | (167.6 | ) |  |  | 21.0 |  |  |  | 196.7 |  |  |  | (175.9 | ) |  |  | 20.8 |
|  | $ | 2,158.9 |  |  | $ | (1,101.7 | ) |  | $ | 1,057.2 |  |  | $ | 2,119.5 |  |  | $ | (1,110.0 | ) |  | $ | 1,009.5 |
Schedule of Purchased Intangible Assets | Details of the Company’s total purchased intangible assets are as follows (in millions):
|  | June 30, 2021 |
|  | Weighted- Average Life |  |  | Gross |  |  | Accumulated Amortization |  |  | Net |
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distribution network |  |  | 39.2 |  |  | $ | 55.3 |  |  | $ | (34.8 | ) |  | $ | 20.5 |
Technology-related |  |  | 11.9 |  |  |  | 104.8 |  |  |  | (103.8 | ) |  |  | 1.0 |
Customer relationships |  |  | 12.6 |  |  |  | 572.7 |  |  |  | (548.5 | ) |  |  | 24.2 |
Other |  |  | 12.1 |  |  |  | 23.6 |  |  |  | (16.7 | ) |  |  | 6.9 |
|  |  | 14.4 |  |  |  | 756.4 |  |  |  | (703.8 | ) |  |  | 52.6 |
Non-amortizable trade names |  |  |  |  |  |  | 417.1 |  |  |  | — |  |  |  | 417.1 |
|  |  |  |  |  | $ | 1,173.5 |  |  | $ | (703.8 | ) |  | $ | 469.7 |
|  | September 30, 2020 |
|  | Weighted- Average Life |  | Gross |  |  | Accumulated Amortization |  |  | Net |
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distribution network |  | 39.1 |  | $ | 55.4 |  |  | $ | (33.8 | ) |  | $ | 21.6 |
Technology-related |  | 11.9 |  |  | 104.7 |  |  |  | (103.3 | ) |  |  | 1.4 |
Customer relationships |  | 12.8 |  |  | 554.7 |  |  |  | (545.6 | ) |  |  | 9.1 |
Other |  | 16.3 |  |  | 16.4 |  |  |  | (15.0 | ) |  |  | 1.4 |
|  | 14.7 |  |  | 731.2 |  |  |  | (697.7 | ) |  |  | 33.5 |
Non-amortizable trade names |  |  |  |  | 384.7 |  |  |  | — |  |  |  | 384.7 |
|  |  |  | $ | 1,115.9 |  |  | $ | (697.7 | ) |  | $ | 418.2 |

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- Definition Tabular disclosure of the characteristics, including initial carrying value, amortization, net amount, weighted average useful life, of intangible assets excluding goodwill by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total. Disclosure details includes the gross amount of goodwill, accumulated goodwill impairment losses and net amount of goodwill. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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