Business Segments - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Revenue:
Services		$ 350.3	$ 330.4
Product sales		197.6	199.4
Instant games		134.1	128.9
Revenue		682.0	658.7
Cost of services	[1]	94.9	90.5
Cost of product sales	[1]	94.4	97.9
Cost of instant games	[1]	67.0	67.0
Selling, general and administrative		142.3	145.9
Research and development		49.8	46.9
Employee termination and restructuring		2.7	8.2
Depreciation and amortization		180.6	184.2
Operating income		50.3	18.1
(Loss) earnings from equity investments		3.2	3.1
Operating Segments
Revenue:
Services		350.3	330.4
Product sales		197.6	199.4
Instant games		134.1	128.9
Revenue		682.0	658.7
Cost of services	[2]	94.9	90.5
Cost of product sales	[2]	94.4	97.9
Cost of instant games	[2]	67.0	67.0
Selling, general and administrative		108.9	106.4
Research and development		48.1	46.9
Employee termination and restructuring		2.7	5.1
Depreciation and amortization		163.1	169.7
Operating income		102.9	75.2
Unallocated corporate costs
Revenue:
Unallocated corporate costs		(52.6)	(57.1)
Gaming
Revenue:
(Loss) earnings from equity investments		0.0	(0.1)
Gaming | Operating Segments
Revenue:
Services		232.6	237.9
Product sales		189.1	187.9
Instant games		0.0	0.0
Revenue		421.7	425.8
Cost of services		41.2	45.5
Cost of product sales		87.8	87.8
Cost of instant games		0.0	0.0
Selling, general and administrative		67.9	74.2
Research and development		38.2	39.8
Employee termination and restructuring		1.6	4.2
Depreciation and amortization		141.6	143.3
Operating income		43.4	31.0
Lottery
Revenue:
(Loss) earnings from equity investments		3.2	3.2
Lottery | Operating Segments
Revenue:
Services		45.1	45.6
Product sales		8.5	11.5
Instant games		134.1	128.9
Revenue		187.7	186.0
Cost of services		28.1	28.4
Cost of product sales		6.6	10.1
Cost of instant games		67.0	67.0
Selling, general and administrative		16.5	17.1
Research and development		2.6	1.6
Employee termination and restructuring		1.1	0.2
Depreciation and amortization		17.8	21.3
Operating income		48.0	40.3
Interactive
Revenue:
(Loss) earnings from equity investments		0.0	0.0
Interactive | Operating Segments
Revenue:
Services		72.6	46.9
Product sales		0.0	0.0
Instant games		0.0	0.0
Revenue		72.6	46.9
Cost of services		25.6	16.6
Cost of product sales		0.0	0.0
Cost of instant games		0.0	0.0
Selling, general and administrative		24.5	15.1
Research and development		7.3	5.5
Employee termination and restructuring		0.0	0.7
Depreciation and amortization		3.7	5.1
Operating income		$ 11.5	$ 3.9

[1] Exclusive of D&A.

[2] Exclusive of D&A.