Restructuring Plans - Reserve Rollforward (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																12 Months Ended
	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, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2012							$ 0										$ 0
Accrual additions	22.4	[1]	0	[2]	0	[3]	0.3	[4]	0.8	[5]	1.8	[6]	5.7	[7]	2.3	[8]	22.7	10.6	2.0
Cash payments																	(3.7)
Non-cash expense																	(6.8)
Balance as of December 31, 2013	12.2								0								12.2	0
Employee Termination Costs
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2012							0										0
Accrual additions																	11.1
Cash payments																	(1.8)
Non-cash expense																	0
Balance as of December 31, 2013	9.3																9.3
Property costs
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2012							0										0
Accrual additions																	3.1
Cash payments																	(0.1)
Non-cash expense																	(0.2)
Balance as of December 31, 2013	2.8																2.8
Other
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2012							0										0
Accrual additions																	8.5
Cash payments																	(1.8)
Non-cash expense																	(6.6)
Balance as of December 31, 2013	$ 0.1																$ 0.1

[1] Reflects operating results of WMS from the acquisition date to December 31, 2013 including $144.7 million of revenue, $63.8 million of costs of services and product sales, $47.5 million of SG&A, $19.1 million of R&D, $5.3 million of employee termination and restructuring costs, and $40.1 million of depreciation and amortization. Results for the three months ended December 31, 2013 also included an additional $17.1 million of employee termination and restructuring costs which are described in Note 4 (Restructuring Plans). Depreciation and amortization also includes $4.6 million of accelerated depreciation and amortization related to obsolete gaming machine software and $3.1 million of accelerated depreciation and amortization related to the exit from our instant lottery game operations in Mexico. SG&A also includes $11.1 million acquisition-related fees and expenses.

[2] Includes $2.8 million of acquisition-related fees and expenses.

[3] Includes $2.7 million of acquisition-related fees and expenses, and $8.7 million of depreciation related to a write-down of used gaming machines and accelerated depreciation related to our change in the estimated useful lives of our gaming machine fixed assets.

[4] Includes $4.4 million of acquisition-related fees and expenses.

[5] Includes $0.8 million employee termination and restructuring costs due to our exit from the Barcrest analog AWP business and the reorganization of our pub business and the reorganization of our Australia printing operations. Includes $24.0 million of accelerated depreciation related to a write-down of gaming machines and software in our gaming business and certain development costs in our licensed properties business and $5.8 million of impairment charges related to underperforming Lottery Systems contracts.

[6] Includes $1.8 million employee termination and restructuring costs due to our exit from the Barcrest analog AWP business and the reorganization of our pub business and the reorganization of our Australia printing operations. Includes $6.7 million of accelerated depreciation related to a write-down of gaming machines, $1.9 million of accelerated depreciation of equipment related to reorganization of our Australia printing operations and $1.6 million of incremental depreciation from the acquisition of Barcrest. Includes a loss on early extinguishment of debt due to the redemption of the 2016 Notes resulting in a charge of $15.5 million comprised primarily of the redemption premium and the write-off of previously deferred financing costs.

[7] Includes $6.0 million employee termination and restructuring costs due to our exit from the Barcrest analog AWP business and the reorganization of our pub business and the reorganization of our Australia printing operations. Includes $5.8 million of accelerated depreciation related to a write-down of certain development costs and obsolete gaming machines, $2.4 million of incremental depreciation from the acquisition of Barcrest and $1.5 million of accelerated depreciation of equipment related to the reorganization of our Australia printing operations.

[8] Includes $2.9 million employee termination and restructuring costs due to our exit from the Barcrest analog AWP business and the reorganization of our pub business.