Property And Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Summary of Property and Equipment

A summary of property and equipment at December 31 is as follows:

	2016			2015
Land and improvements	$	21.2		$	21.5
Building and improvements	215.1			216.6
Data processing equipment, furniture and other equipment	1,024.5			1,046.1
Computer software, purchased and internally developed	2,416.7			2,344.9
Leasehold improvements	462.4			429.3
Property and equipment, gross	4,139.9			4,058.4
Accumulated depreciation and amortization	(2,162.0		)	(2,038.6		)
Property and equipment, net	$	1,977.9		$	2,019.8