Business and Geographic Segments - Reportable Segment (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Revenue:
Instant games													$ 533.0		$ 516.0		$ 493.6
Services													788.5		415.0		340.3
Product sales													464.9		159.9		94.7
Revenue	565.8	415.6	416.9	388.1	401.9	234.4	235.0	219.6	246.8	224.6	226.0	231.2	1,786.4		1,090.9		928.6
Cost of instant tickets													291.4	[1]	285.1	[1]	282.5	[1]
Cost of services													283.7	[1]	203.1	[1]	170.7	[1]
Cost of product sales													274.3	[1]	103.5	[1]	65.1	[1]
Selling, general and administrative	225.1	95.6	95.2	91.8	127.3	45.6	44.7	48.8	48.9	42.2	44.7	43.6	507.7		266.4		179.4
Research and development	40.0	26.3	24.8	25.9	21.3	1.4	1.4	1.9	1.5	1.6	1.8	1.7	117.0		26.0		6.6
Employee termination and restructuring	18.3	1.9	4.9	5.6	22.4	0	0	0.3	0.8	1.8	5.7	2.3	30.7		22.7		10.6
Depreciation and amortization	163.8	100.4	96.0	94.1	91.3	35.2	43.1	32.8	49.9	35.6	36.8	28.5	454.3		202.4		150.8
Operating (loss) income	(156.4)	(7.8)	3.6	(12.1)	(67.5)	25.7	12.4	11.1	10.1	16.5	11.4	24.9	(172.7)		(18.3)		62.9
Earnings (loss) from equity investments													(7.6)		1.5		28.1
Assets	9,995.2				4,236.4				2,186.9				9,995.2		4,236.4		2,186.9
Operating Segments
Revenue:
Instant games													533.0		516.0		493.6
Services													788.5		415.0		340.3
Product sales													464.9		159.9		94.7
Revenue													1,786.4		1,090.9		928.6
Cost of instant tickets													291.4		285.1		282.5
Cost of services													283.7		203.1		170.7
Cost of product sales													274.3		103.5		65.1
Selling, general and administrative													365.9		167.9		94.2
Research and development													117.0		26.0		6.6
Employee termination and restructuring													26.1		13.7		10.6
Depreciation and amortization													429.1		201.1		150.3
Operating (loss) income													(1.1)		90.5		148.6
Earnings (loss) from equity investments													(7.6)		1.5		28.1
Gaming, lottery and interactive capital expenditures													224.2		158.0		108.5
Operating Segments | Gaming
Revenue:
Instant games													0		0		0
Services													442.6		181.8		133.1
Product sales													363.8		88.7		31.2
Revenue													806.4		270.5		164.3
Cost of instant tickets													0		0		0
Cost of services													111.0		77.9		60.2
Cost of product sales													195.5		56.4		22.1
Selling, general and administrative													235.3		87.1		28.1
Research and development													98.7		17.4		2.1
Employee termination and restructuring													15.5		6.7		4.7
Depreciation and amortization													318.7		103.9		57.7
Operating (loss) income													(168.3)		(78.9)		(10.6)
Earnings (loss) from equity investments													3.3		(12.1)		3.0
Assets	7,905.5				2,338.7				504.0				7,905.5		2,338.7		504.0
Gaming, lottery and interactive capital expenditures													160.5		75.8		42.5
Operating Segments | Lottery
Revenue:
Instant games													533.0		516.0		493.6
Services													201.4		203.2		201.1
Product sales													101.1		71.2		63.5
Revenue													835.5		790.4		758.2
Cost of instant tickets													291.4		285.1		282.5
Cost of services													120.8		113.8		109.6
Cost of product sales													78.8		47.1		43.0
Selling, general and administrative													73.3		70.7		65.4
Research and development													4.6		5.5		4.5
Employee termination and restructuring													3.5		5.1		5.9
Depreciation and amortization													97.1		94.5		92.6
Operating (loss) income													166.0		168.6		154.7
Earnings (loss) from equity investments													(10.9)		13.6		25.1
Assets	1,425.3				1,601.5				1,645.0				1,425.3		1,601.5		1,645.0
Gaming, lottery and interactive capital expenditures													58.3		79.0		66.0
Operating Segments | Interactive
Revenue:
Instant games													0		0		0
Services													144.5		30.0		6.1
Product sales													0		0		0
Revenue													144.5		30.0		6.1
Cost of instant tickets													0		0		0
Cost of services													51.9		11.4		0.9
Cost of product sales													0		0		0
Selling, general and administrative													57.3		10.1		0.7
Research and development													13.7		3.1		0
Employee termination and restructuring													7.1		1.9		0
Depreciation and amortization													13.3		2.7		0
Operating (loss) income													1.2		0.8		4.5
Earnings (loss) from equity investments													0		0		0
Assets	185.4				83.2				0.6				185.4		83.2		0.6
Gaming, lottery and interactive capital expenditures													5.4		3.2		0
Unallocated corporate costs
Revenue:
Operating (loss) income													171.6		108.8		85.7
Assets	$ 479.0				$ 213.0				$ 37.3				$ 479.0		$ 213.0		$ 37.3

[1] Exclusive of depreciation and amortization.