Software Development Costs, Net (Tables)

6 Months Ended

Jun. 30, 2019

Research and Development [Abstract]

Schedule of software development costs, net

	June 30, 2019			September 30, 2018
		(in millions)
Software development costs	$	109.3		$	100.9
Less: accumulated amortization		(71.2	)		(60.9	)
	$	38.1		$	40.0

Schedule of estimated software amortization expense

Year ending December 31, (in millions)
2019 (six months)	$	7.7
2020		14.1
2021		9.2
2022		4.4
2023		2.0
Thereafter		0.7
Total	$	38.1