Intangible Assets and Goodwill (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended																	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Trade name	Dec. 31, 2012 Trade name	Sep. 30, 2013 Patents	Dec. 31, 2012 Patents	Sep. 30, 2013 Customer lists	Dec. 31, 2012 Customer lists	Sep. 30, 2013 Licenses	Dec. 31, 2012 Licenses	Sep. 30, 2013 Intellectual property	Dec. 31, 2012 Intellectual property	Sep. 30, 2013 Lottery contracts	Dec. 31, 2012 Lottery contracts	Sep. 30, 2013 Non-compete	Dec. 31, 2012 Non-compete	Dec. 31, 2012 Provoloto
Intangible assets
Increase in goodwill resulting from acquisitions																				$ 275
Decrease in allowance for doubtful accounts																				275
Amortizable intangible assets:
Amortizable intangible assets, Gross Carrying Amount	163,929		163,929		166,253			13,862	13,741	40,773	41,471	83,401	84,852	23,964	24,268	1,500	1,500	429	421
Amortizable intangible assets, Accumulated Amortization	108,846		108,846		119,627			6,757	6,113	28,280	25,349	51,489	66,688	20,766	20,107	1,373	1,297	181	73
Amortizable intangible assets, Net Balance	55,083		55,083		46,626			7,105	7,628	12,493	16,122	31,912	18,164	3,198	4,161	127	203	248	348
Non-amortizable intangible assets
Non-amortizable intangible assets, Gross Carrying Amount						39,145	39,783
Non-amortizable intangible assets, Accumulated Amortization						2,118	2,118
Non-amortizable intangible assets, Net Balance						37,027	37,665
Total intangible assets, Gross Carrying Amount	203,074		203,074		206,036
Total intangible assets, Accumulated Amortization (Excluding Goodwill)	110,964		110,964		121,745
Total intangible assets, Net	92,110		92,110		84,291
Aggregate intangible amortization expense	$ 5,200	$ 4,700	$ 15,000	$ 13,100