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PROPERTY, EQUIPMENT AND SOFTWARE (Tables) | 12 Months Ended
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Dec. 31, 2021
Property, Plant and Equipment [Abstract] |
Summary of Property, Equipment and Software | Property, equipment and software at December 31 consists of:
(in millions) | 2021 |  | 2020
Computer and communications software and equipment | $ | 1,293.5 |  |  | $ | 1,113.1 |
Buildings and improvements | 472.0 |  |  | 457.5 |
Leasehold improvements | 196.4 |  |  | 169.2 |
Furniture and other equipment | 205.6 |  |  | 193.3 |
Land | 25.7 |  |  | 37.2 |
| 2,193.2 |  |  | 1,970.3 |
Less accumulated depreciation and amortization | 1,457.0 |  |  | 1,274.9 |
Total | $ | 736.2 |  |  | $ | 695.4 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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