XML 36 R17.htm IDEA: XBRL DOCUMENT
v3.20.4

PROPERTY AND EQUIPMENT. | 12 Months Ended
--- | ---
Dec. 31, 2020
Property, Plant and Equipment [Abstract] |
PROPERTY AND EQUIPMENT | PROPERTY AND EQUIPMENT. Property and equipment at December 31 consists of:
(in millions) | 2020 |  | 2019
Computer and communications software and equipment | $ | 1,113.1 |  |  | $ | 963.8 |
Buildings and improvements | 457.5 |  |  | 466.1 |
Leasehold improvements | 169.2 |  |  | 157.3 |
Furniture and other equipment | 193.3 |  |  | 193.5 |
Land | 37.2 |  |  | 33.4 |
Leased land | — |  |  | 2.7 |
| 1,970.3 |  |  | 1,816.8 |
Less accumulated depreciation and amortization | 1,274.9 |  |  | 1,142.4 |
Total | $ | 695.4 |  |  | $ | 674.4 |
Compensation and related costs attributable to the development of computer software for internal use, totaling $125.9 million in 2020, $95.5 million in 2019, and $85.5 million in 2018, have been capitalized.

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://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 http://asc.fasb.org/extlink&oid=120429125&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 http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
Name: | us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration