Inventories (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2016	Dec. 31, 2015
Inventory Disclosure [Abstract]
Parts and work-in-process			$ 117.8	$ 118.3
Finished goods			152.3	130.2
Total inventories			$ 270.1	$ 248.5
Property, Plant and Equipment [Line Items]
Asset impairment charge	$ 935.0	$ 935.0
Bally Technologies Inc.
Property, Plant and Equipment [Line Items]
Asset impairment charge		$ 7.1