PROPERTY AND EQUIPMENT, NET

12 Months Ended

Dec. 31, 2018

Property And Equipment, Net [Abstract]

PROPERTY AND EQUIPMENT, NET

NOTE 7 PROPERTY AND EQUIPMENT, NET

Property and equipment, net consisted of:

		December 31,
		2018		2017
Office and computer equipment (3 - 10 year estimated useful life)		$	242.0	$	219.5
Office furniture and fixtures (3 - 10 year estimated useful life)			52.6		50.5
Internal-use computer software (1 - 10 year estimated useful life)			573.6		520.3
Leasehold improvements and building (1 - 40 year estimated useful life)			242.4		240.8
	Total property and equipment, at cost		1,110.6		1,031.1
Less: accumulated depreciation and amortization			(790.2)		(706.0)
Total property and equipment, net		$	320.4	$	325.1

Depreciation and amortization expense related to the above assets was $90.2million, $96.9 million, and $92.5 million for the years ended December 31,2018, 2017 and 2016, respectively.