Property and Equipment, Net (Details) - USD ($) $ in Millions	Dec. 31, 2019	Sep. 30, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 182.1	$ 133.3
Less: accumulated depreciation and amortization	(102.8)	(87.6)
Property, plant and equipment, net	79.3	45.7
Short-Term Leasehold Property [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	0.9	0.4
Video Lottery Terminals [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	165.6	121.7
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	0.8
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1.5	8.7
Plant and Machinery [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 13.3	$ 2.5