Annual report pursuant to Section 13 and 15(d)

RELATED PARTIES (Summary Of Related Party Transactions Table Disclosure) (Details)

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12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Related Party Transaction [Line Items]      
Product revenues from related parties $ 671.1 $ 1,011.4 $ 1,038.8
Product betfred sportsbook review$ 1,832.4 $ 3,095.2 $ 3,631.8
Related party product revenue as a percent of total product revenue 36.60% 32.70% 28.60%