PROPERTY AND EQUIPMENT. (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Summary of 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