Property, Equipment, and Software (Tables)

6 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

Schedule of Property, Equipment and Software

Property, equipment and software consist of the following (in millions):

	June 30, 2018			December 31, 2017
Buildings and land	$	4.6		$	—
Computer and other equipment	40.6			28.7
Leasehold improvements	30.2			22.3
Software	71.1			44.5
Office furniture	9.4			7.4
Property, equipment and software, gross	155.9			102.9
Less accumulated depreciation and amortization	(65.2		)	(54.6		)
Property, equipment and software, net	$	90.7		$	48.3

Summary Depreciation and Amortization Expense

The following table summarizes the allocation of depreciation and amortization expense between cost of services and selling, general and administrative expenses (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Cost of services	$	5.2	$	3.5	$	9.8	$	6.4
Selling, general and administrative	1.1		0.3		1.4		0.6
Total depreciation and amortization	$	6.3	$	3.8	$	11.2	$	7.0