Financial Information for Guarantor Subsidiaries and Non-Guarantor Subsidiaries - Supplemental Condensed Consolidating Statement of Operations and Comprehensive Loss (Income) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Condensed Financial Statements, Captions [Line Items]
Revenue	$ 752.2	$ 720.0	$ 729.2	$ 682.0	$ 737.0	$ 671.6	$ 691.5	$ 658.7	$ 2,883.4	$ 2,758.8	$ 1,786.4
Cost of instant ticket revenues, cost of services and cost of sales	299.5	274.3	276.2	256.3	323.4	250.0	275.3	255.4	1,106.3	1,104.1	849.4
Selling, general and administrative	137.0	152.8	144.9	142.3	144.1	136.8	140.9	145.9	577.0	567.7	507.7
Research and development	49.4	53.9	51.7	49.8	43.1	45.9	48.0	46.9	204.8	183.9	117.0
Depreciation, amortization and impairments	173.3	191.7	193.1	180.6	210.3	286.5	222.2	184.2	738.7	903.2	454.3
Goodwill impairments	69.0	0.0	0.0	0.0	67.6	935.0	0.0	0.0	69.0	1,002.6	0.0
Restructuring and other	36.3	13.8	4.2	2.7	2.9	5.6	5.2	8.2	57.0	21.9	30.7
Operating income (loss)	$ (12.3)	$ 33.5	$ 59.1	$ 50.3	$ (54.4)	$ (988.2)	$ (0.1)	$ 18.1	130.6	(1,024.6)	(172.7)
Interest expense									(661.4)	(664.9)	(307.2)
Other income (expense), net									52.1	(4.7)	(15.0)
Net loss before income taxes									(478.7)	(1,694.2)	(494.9)
Equity in (loss) income of subsidiaries									0.0	0.0	0.0
Income tax benefit (expense)									125.0	299.9	260.6
Net (loss) income									(353.7)	(1,394.3)	(234.3)
Other comprehensive (loss) income									(111.4)	(127.8)	(112.7)
Comprehensive loss (income)									(465.1)	(1,522.1)	(347.0)
Reportable Legal Entities | Parent Company
Condensed Financial Statements, Captions [Line Items]
Revenue									0.0	0.0	0.0
Cost of instant ticket revenues, cost of services and cost of sales									0.0	0.0	0.0
Selling, general and administrative									121.0	62.0	86.7
Research and development									6.1	0.0	0.0
Depreciation, amortization and impairments									53.5	33.7	7.9
Goodwill impairments									0.0	0.0
Restructuring and other									32.6	6.1	3.5
Operating income (loss)									(213.2)	(101.8)	(98.1)
Interest expense									(21.0)	(21.0)	(21.1)
Other income (expense), net									64.0	(21.0)	(57.9)
Net loss before income taxes									(170.2)	(143.8)	(177.1)
Equity in (loss) income of subsidiaries									(180.1)	(1,288.3)	(312.0)
Income tax benefit (expense)									(3.4)	37.8	254.8
Net (loss) income									(353.7)	(1,394.3)	(234.3)
Other comprehensive (loss) income									(111.4)	(127.8)	(112.7)
Comprehensive loss (income)									(465.1)	(1,522.1)	(347.0)
Reportable Legal Entities | SGI
Condensed Financial Statements, Captions [Line Items]
Revenue									469.5	446.9	432.0
Cost of instant ticket revenues, cost of services and cost of sales									328.6	322.1	325.5
Selling, general and administrative									46.9	67.6	67.0
Research and development									10.7	5.5	4.0
Depreciation, amortization and impairments									40.9	40.4	46.9
Goodwill impairments									0.0	67.6
Restructuring and other									4.6	1.3	1.8
Operating income (loss)									37.8	(57.6)	(13.2)
Interest expense									(640.2)	(643.2)	(285.3)
Other income (expense), net									219.6	204.9	4.3
Net loss before income taxes									(382.8)	(495.9)	(294.2)
Equity in (loss) income of subsidiaries									48.5	6.5	55.9
Income tax benefit (expense)									138.2	16.6	(0.3)
Net (loss) income									(196.1)	(472.8)	(238.6)
Other comprehensive (loss) income									(1.7)	(11.0)	(7.5)
Comprehensive loss (income)									(197.8)	(483.8)	(246.1)
Reportable Legal Entities | Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenue									1,583.5	1,540.5	850.0
Cost of instant ticket revenues, cost of services and cost of sales									480.9	522.7	358.6
Selling, general and administrative									213.8	244.0	200.8
Research and development									145.2	139.3	88.6
Depreciation, amortization and impairments									534.6	681.4	294.9
Goodwill impairments									0.0	802.9
Restructuring and other									11.7	11.2	17.5
Operating income (loss)									197.3	(861.0)	(110.4)
Interest expense									0.0	0.0	0.0
Other income (expense), net									(227.3)	(167.3)	(14.2)
Net loss before income taxes									(30.0)	(1,028.3)	(124.6)
Equity in (loss) income of subsidiaries									61.1	(137.2)	9.2
Income tax benefit (expense)									15.9	290.0	19.7
Net (loss) income									47.0	(875.5)	(95.7)
Other comprehensive (loss) income									(43.1)	(4.4)	6.5
Comprehensive loss (income)									3.9	(879.9)	(89.2)
Reportable Legal Entities | Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenue									1,148.6	1,110.0	764.3
Cost of instant ticket revenues, cost of services and cost of sales									553.8	597.9	425.1
Selling, general and administrative									235.9	194.1	153.2
Research and development									42.8	39.1	24.4
Depreciation, amortization and impairments									116.0	147.7	104.6
Goodwill impairments									69.0	132.1
Restructuring and other									8.1	3.3	7.9
Operating income (loss)									123.0	(4.2)	49.1
Interest expense									(0.2)	(0.7)	(0.8)
Other income (expense), net									(4.2)	(21.3)	52.8
Net loss before income taxes									118.6	(26.2)	101.1
Equity in (loss) income of subsidiaries									0.0	0.0	0.0
Income tax benefit (expense)									(25.7)	(44.5)	(13.6)
Net (loss) income									92.9	(70.7)	87.5
Other comprehensive (loss) income									(135.1)	(131.0)	(111.2)
Comprehensive loss (income)									(42.2)	(201.7)	(23.7)
Eliminating Entries
Condensed Financial Statements, Captions [Line Items]
Revenue									(318.2)	(338.6)	(259.9)
Cost of instant ticket revenues, cost of services and cost of sales									(257.0)	(338.6)	(259.8)
Selling, general and administrative									(40.6)	0.0	0.0
Research and development									0.0	0.0	0.0
Depreciation, amortization and impairments									(6.3)	0.0	0.0
Goodwill impairments									0.0	0.0
Restructuring and other									0.0	0.0	0.0
Operating income (loss)									(14.3)	0.0	(0.1)
Interest expense									0.0	0.0	0.0
Other income (expense), net									0.0	0.0	0.0
Net loss before income taxes									(14.3)	0.0	(0.1)
Equity in (loss) income of subsidiaries									70.5	1,419.0	246.9
Income tax benefit (expense)									0.0	0.0	0.0
Net (loss) income									56.2	1,419.0	246.8
Other comprehensive (loss) income									179.9	146.4	112.2
Comprehensive loss (income)									$ 236.1	$ 1,565.4	$ 359.0