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Derivative Financial Instruments (Details)
In Thousands, unless otherwise specified
3 Months Ended 3 Months Ended
Mar. 31, 2012
USD ($)
Mar. 31, 2011
USD ($)
Jan. 31, 2012
EUR (€)
Mar. 31, 2012
Lotterie Nazionali SRL [Member]
USD ($)
Mar. 31, 2011
Lotterie Nazionali SRL [Member]
USD ($)
Derivatives Fair Value          
Derivative, Average Forward Exchange Rate     1.3194    
Notional Amount of Derivative Instruments Designated as Net Investment Hedges     € 23,500    
Gain on derivative financial instruments $ 343 $ 0   $ (120) $ (450)
Equity Interest in Derivative Instrument held by Lotterie Nazionali 20.00%