Business Segments - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Revenue	$ 768.9	$ 720.0	$ 2,260.6	$ 2,131.2
Depreciation, amortization and impairments	173.1	191.7	513.2	565.4
Restructuring and other	7.8	13.8	18.1	20.7
Operating income (loss)	90.6	33.5	295.9	142.9
Interest expense	(148.9)	(165.4)	(459.5)	(496.4)
Earnings from equity investments	7.5	7.3	20.1	18.5
(Loss) gain on debt financing transactions	(8.4)	0.0	(38.1)	25.2
Other income (expense), net	(4.3)	6.0	1.3	8.4
Net (loss) income before equity in (loss) income of subsidiaries and income taxes	(63.5)	(118.6)	(180.3)	(301.4)
Corporate
Segment Reporting Information [Line Items]
Revenue	0.0	0.0	0.0	0.0
Depreciation, amortization and impairments	25.4	18.8	70.6	54.1
Restructuring and other	7.1	13.7	12.6	13.8
Operating income (loss)	(69.9)	(70.8)	(190.4)	(182.6)
Gaming
Segment Reporting Information [Line Items]
Revenue	454.6	448.2	1,351.8	1,311.8
Gaming | Operating Segments
Segment Reporting Information [Line Items]
Revenue	454.6	448.2	1,351.8	1,311.8
Depreciation, amortization and impairments	129.8	154.0	389.1	449.9
Restructuring and other	0.3	0.0	4.8	5.0
Operating income (loss)	85.2	51.5	248.6	141.6
Lottery
Segment Reporting Information [Line Items]
Revenue	202.9	186.6	594.3	578.2
Lottery | Operating Segments
Segment Reporting Information [Line Items]
Revenue	202.9	186.6	594.3	578.2
Depreciation, amortization and impairments	10.0	15.2	37.2	50.2
Restructuring and other	(0.1)	0.5	(0.9)	1.8
Operating income (loss)	62.4	43.2	188.8	149.1
Interactive
Segment Reporting Information [Line Items]
Revenue	111.4	85.2	314.5	241.2
Interactive | Operating Segments
Segment Reporting Information [Line Items]
Revenue	111.4	85.2	314.5	241.2
Depreciation, amortization and impairments	7.9	3.7	16.3	11.2
Restructuring and other	0.5	(0.4)	1.6	0.1
Operating income (loss)	$ 12.9	$ 9.6	$ 48.9	$ 34.8