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Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2023
Property, Plant and Equipment [Abstract] |
Schedule of property and equipment | The amount of property and equipment and their respective estimated useful lives are as follows (in millions):
|  | As of December 31, |  | Estimated
|  | 2023 |  | 2022 |  | Useful Lives
Land |  | $ | 81.9 |  |  | $ | 72.8 |  |  | Indefinite
Buildings and leasehold improvements |  | 108.4 |  |  | 103.6 |  |  | 3 - 40 years
Office equipment, furniture and fixtures |  | 14.1 |  |  | 15.7 |  |  | 3 - 7 years
Computer equipment and software costs |  | 329.2 |  |  | 292.2 |  |  | 3 - 9 years
Machinery, equipment and vehicles (1) |  | 433.4 |  |  | 395.4 |  |  | 3 - 40 years
Total property and equipment |  | 966.9 |  |  | 879.6 |  |  |
Less: Accumulated depreciation and amortization (1) |  | 451.6 |  |  | 395.4 |  |  |
Total property and equipment, net |  | $ | 515.3 |  |  | $ | 484.2 |  |  |
(1)Includes right of use assets associated with finance leases. See Note 13. Leases for additional information.
Schedule of amount of computer software costs, including capitalized internally developed software costs | The amount of computer software costs, including capitalized internally developed software costs and certain hosting arrangement costs, included in property and equipment are as follows (in millions):
| As of December 31,
| 2023 |  | 2022
Computer software costs | $ | 289.2 |  |  | $ | 249.5 |
Less: Accumulated amortization | 175.0 |  |  | 150.2 |
Computer software costs, net | $ | 114.2 |  |  | $ | 99.3 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
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