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Goodwill and Purchased Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Goodwill | The following table presents changes in goodwill by segment for the nine months ended September 30, 2025 (in millions):
|  | Access |  |  | Vocational |  |  | Corporate and Other |  |  | Total |
Net goodwill at December 31, 2024 |  | $ | 1,011.0 |  |  | $ | 393.4 |  |  | $ | 5.7 |  |  | $ | 1,410.1 |
Impairment |  |  | — |  |  |  | — |  |  |  | (5.7 | ) |  |  | (5.7 | )
Foreign currency translation |  |  | 42.8 |  |  |  | 0.2 |  |  |  | — |  |  |  | 43.0 |
Net goodwill at September 30, 2025 |  | $ | 1,053.8 |  |  | $ | 393.6 |  |  | $ | — |  |  | $ | 1,447.4 |
Schedule of Company's Goodwill by Segment | The following table presents details of the Company’s goodwill by segment (in millions):
|  | September 30, 2025 |  |  | December 31, 2024 |
|  | Gross |  |  | Accumulated Impairment |  |  | Net |  |  | Gross |  |  | Accumulated Impairment |  |  | Net |
Access |  | $ | 1,985.9 |  |  | $ | (932.1 | ) |  | $ | 1,053.8 |  |  | $ | 1,943.1 |  |  | $ | (932.1 | ) |  | $ | 1,011.0 |
Vocational |  |  | 563.0 |  |  |  | (169.4 | ) |  |  | 393.6 |  |  |  | 562.8 |  |  |  | (169.4 | ) |  |  | 393.4 |
Corporate and other |  |  | 44.4 |  |  |  | (44.4 | ) |  |  | — |  |  |  | 44.4 |  |  |  | (38.7 | ) |  |  | 5.7 |
|  | $ | 2,593.3 |  |  | $ | (1,145.9 | ) |  | $ | 1,447.4 |  |  | $ | 2,550.3 |  |  | $ | (1,140.2 | ) |  | $ | 1,410.1 |
Schedule of Purchased Intangible Assets | Details of the Company’s purchased intangible assets are as follows (in millions):
|  | September 30, 2025 |  |  | December 31, 2024 |
|  | Gross |  |  | Accumulated Amortization |  |  | Net |  |  | Gross |  |  | Accumulated Amortization |  |  | Net |
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  | $ | 835.6 |  |  | $ | (630.3 | ) |  | $ | 205.3 |  |  | $ | 829.8 |  |  | $ | (604.6 | ) |  | $ | 225.2 |
Trade names |  |  | 120.2 |  |  |  | (22.9 | ) |  |  | 97.3 |  |  |  | 120.2 |  |  |  | (19.3 | ) |  |  | 100.9 |
Technology-related |  |  | 163.7 |  |  |  | (117.3 | ) |  |  | 46.4 |  |  |  | 158.9 |  |  |  | (107.4 | ) |  |  | 51.5 |
Distribution network |  |  | 55.3 |  |  |  | (40.8 | ) |  |  | 14.5 |  |  |  | 55.3 |  |  |  | (39.8 | ) |  |  | 15.5 |
Other |  |  | 2.3 |  |  |  | (1.2 | ) |  |  | 1.1 |  |  |  | 33.1 |  |  |  | (27.4 | ) |  |  | 5.7 |
|  |  | 1,177.1 |  |  |  | (812.5 | ) |  |  | 364.6 |  |  |  | 1,197.3 |  |  |  | (798.5 | ) |  |  | 398.8 |
Non-amortizable trade names |  |  | 378.8 |  |  |  | — |  |  |  | 378.8 |  |  |  | 378.8 |  |  |  | — |  |  |  | 378.8 |
|  | $ | 1,555.9 |  |  | $ | (812.5 | ) |  | $ | 743.4 |  |  | $ | 1,576.1 |  |  | $ | (798.5 | ) |  | $ | 777.6 |
Schedule of Estimated Future Amortization Expense for Purchased Intangible Assets | Estimated future amortization expense for purchased intangible assets is as follows (in millions):
Years: |  |  |
2025 (remaining three months) |  | $ | 14.5 |
2026 |  |  | 55.7 |
2027 |  |  | 55.7 |
2028 |  |  | 51.4 |
2029 |  |  | 47.1 |
2030 |  |  | 45.6 |

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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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