Property and Equipment, net - Property and Equipment, net (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation	$ (899.9)	$ (846.8)
Property and equipment, net	695.5	794.0
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	38.4	38.5
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	184.7	185.2
Gaming and lottery machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,048.5	1,084.6
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	31.4	36.0
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	27.9	25.5
Other property and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 264.5	$ 271.0