Other Assets (Details) (USD $) In Thousands, unless otherwise specified				12 Months Ended										12 Months Ended		3 Months Ended		12 Months Ended
	Dec. 31, 2012	Aug. 20, 2012	Dec. 31, 2011	Dec. 31, 2012 Software systems development costs, net	Dec. 31, 2011 Software systems development costs, net	Dec. 31, 2010 Software systems development costs, net	Dec. 31, 2012 Deferred financing costs	Dec. 31, 2011 Deferred financing costs	Dec. 31, 2010 Deferred financing costs	Dec. 31, 2012 Deferred tax asset, long-term portion	Dec. 31, 2011 Deferred tax asset, long-term portion	Dec. 31, 2012 Other assets	Dec. 31, 2011 Other assets	Dec. 31, 2012 Senior subordinated notes due in 2016	Dec. 31, 2011 August 25, 2011 Amendment to credit agreement	Dec. 31, 2012 Lottery contracts	Dec. 31, 2010 Lottery contracts	Dec. 31, 2012 Lottery contracts
Other assets
Other assets	$ 123,515		$ 134,121	$ 87,206	$ 74,100		$ 25,481	$ 33,918		$ 6,281	$ 11,217	$ 4,547	$ 14,886
Capitalized costs during year				44,000	30,800
Amortization expense for period				28,000	24,000	27,000	7,100	7,500	6,500
Asset Impairment Charges																5,800	17,500	5,800
Capitalized costs during period							6,300	14,500	12,700
Debt Instrument, interest rate, stated percentage		6.25%												7.875%
Write-off of unamortized deferred financing fees														$ 7,600	$ 4,200