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PROPERTY, EQUIPMENT AND SOFTWARE | 12 Months Ended
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Dec. 31, 2022
Property, Plant and Equipment [Abstract] |
PROPERTY, EQUIPMENT AND SOFTWARE | PROPERTY, EQUIPMENT AND SOFTWARE. Property, equipment and software at December 31 consists of:
(in millions) | 2022 |  | 2021
Computer and communications software and equipment | $ | 1,364.6 |  |  | $ | 1,293.5 |
Buildings and improvements | 488.9 |  |  | 472.0 |
Leasehold improvements | 236.3 |  |  | 196.4 |
Furniture and other equipment | 209.7 |  |  | 205.6 |
Land | 25.7 |  |  | 25.7 |
| 2,325.2 |  |  | 2,193.2 |
Less accumulated depreciation and amortization | 1,569.5 |  |  | 1,457.0 |
Total | $ | 755.7 |  |  | $ | 736.2 |
Compensation and related costs attributable to the development of computer software for internal use, totaling $134.6 million in 2022, $137.6 million in 2021, and $125.9 million in 2020, have been capitalized.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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