Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Foreign Currency Translation) (Details)

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3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
betfred sportsbook reviewForeign Currency Transaction Gain (Loss), before Tax $ (0.3) $ 13.6
Short-term intercompany loan [Member]    
betfred sportsbook reviewForeign Currency Transaction Gain (Loss), before Tax (0.2) 15.1
Cash and Cash Equivalents [Member]    
betfred sportsbook reviewForeign Currency Transaction Gain (Loss), before Tax 0.1 (1.2)
Other Remeasurement    
betfred sportsbook reviewForeign Currency Transaction Gain (Loss), before Tax $ (0.2) $ (0.3)