Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS SUBSEQUENT EVENTS (Narrative) (Details)

betfred sportsbook|Welcome_POLICIES (Narrative) ( v3.7.0.1
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3 Months Ended
Jun. 30, 2017
Mar. 31, 2017
Mar. 31, 2016
Apr. 24, 2017
Subsequent Event [Line Items]        
Gain (loss) on extinguishment/restructuring of debt   $ (71.9) $ 178.8  
Equity Claw Redemption [Domain]        
Subsequent Event [Line Items]        
Gain (loss) on extinguishment/restructuring of debt $ 5.0      
BetfredDebt Instrument, Repurchase Amount       $ 35.6