Restructuring Plans - Schedule of Restructuring Reserve by Segment (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	$ 1.9	$ 0	$ 12.4	$ 0.3
Cumulative			35.1
Expected Total			35.2
Employee Termination Costs
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	1.4		9.5
Cumulative			20.6
Expected Total			20.6
Property Costs
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0.4		1.0
Cumulative			4.1
Expected Total			4.1
Other
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0.1		1.9
Cumulative			10.4
Expected Total			10.5
Business Segment
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	1.9		10.5	0.3
Business Segment | Instant Products
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0.4		1.6	0.3
Cumulative			6.3
Expected Total			6.3
Business Segment | Instant Products | Employee Termination Costs
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		1.0
Cumulative			1.0
Expected Total			1.0
Business Segment | Instant Products | Property Costs
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0.4		0.4
Cumulative			0.4
Expected Total			0.4
Business Segment | Instant Products | Other
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		0.2
Cumulative			4.9
Expected Total			4.9
Business Segment | Lottery Systems
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		0	0
Cumulative			0.4
Expected Total			0.4
Business Segment | Lottery Systems | Employee Termination Costs
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		0
Cumulative			0.4
Expected Total			0.4
Business Segment | Lottery Systems | Property Costs
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		0
Cumulative			0
Expected Total			0
Business Segment | Lottery Systems | Other
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		0
Cumulative			0
Expected Total			0
Business Segment | Gaming
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	1.5		8.9
Cumulative			17.5
Expected Total			17.6
Business Segment | Gaming | Employee Termination Costs
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	1.4		6.8
Cumulative			10.6
Expected Total			10.6
Business Segment | Gaming | Property Costs
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		0.4
Cumulative			1.4
Expected Total			1.4
Business Segment | Gaming | Other
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0.1		1.7
Cumulative			5.5
Expected Total			5.6
Unallocated corporate
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		1.9
Cumulative			10.9
Expected Total			10.9
Unallocated corporate | Employee Termination Costs
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		1.7
Cumulative			8.6
Expected Total			8.6
Unallocated corporate | Property Costs
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		0.2
Cumulative			2.3
Expected Total			2.3
Unallocated corporate | Other
Restructuring Cost and Reserve [Line Items]
Employee termination and restructuring	0		0
Cumulative			0
Expected Total			$ 0