Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments And Hedging Activities (Schedule Of Derivatives betfred sportsbook reviewNot Designated as Hedging Instruments Statements Of Financial Performance Location Table) (Details)

v2.4.0.6
betfred sportsbook
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Derivative [Line Items]    
Derivative Instruments betfred sportsbook reviewNot Designated as Hedging Instruments, Gain (Loss), Net $ 42.5 $ 100.9
Foreign Exchange Contract [Member] | Product Revenues [Member]
    
Derivative [Line Items]    
Derivative Instruments betfred sportsbook reviewNot Designated as Hedging Instruments, Gain (Loss), Net   0.3
Foreign Exchange Contract [Member] | Other Income (Expense) [Member]
    
Derivative [Line Items]    
Derivative Instruments betfred sportsbook reviewNot Designated as Hedging Instruments, Gain (Loss), Net 0.3 56.0
Customer Supply Agreements [Member] | Product Revenues [Member]
    
Derivative [Line Items]    
Derivative Instruments betfred sportsbook reviewNot Designated as Hedging Instruments, Gain (Loss), Net 39.2 24.6
Provisional Pricing Arrangements [Member] | Product Revenues [Member]
    
Derivative [Line Items]    
Derivative Instruments betfred sportsbook reviewNot Designated as Hedging Instruments, Gain (Loss), Net $ 3.0 $ 20.0