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PROPERTY AND EQUIPMENT.
12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT PROPERTY AND EQUIPMENT.

Property and equipment at December 31 consists of: 
(in millions)
2019
 
2018
Computer and communications software and equipment
$
963.8

 
$
864.7

Buildings and improvements
466.1

 
454.5

Leasehold improvements
157.3

 
137.0

Furniture and other equipment
193.5

 
178.9

Land
33.4

 
37.4

Leased land
2.7

 
2.7

 
1,816.8

 
1,675.2

Less accumulated depreciation and amortization
1,142.4

 
1,013.9

Total
$
674.4

 
$
661.3



Compensation and related costs attributable to the development of computer software for internal use, totaling $95.5 million in 2019, $85.5 million in 2018, and $62.3 million in 2017, have been capitalized.