Quarterly report pursuant to Section 13 or 15(d)

NEW ACCOUNTING STANDARDS (Narrative) (Details)

Betfred-casino review_CLOSURE OBLIGATIONS (Asset v3.8.0.1
betfred sportsbook
Mar. 31, 2018
Jan. 01, 2018
Dec. 31, 2017
Stockholders' Equity Attributable to Parent $ (485.0) $ (410.3) $ (444.3)
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]      
Stockholders' Equity Attributable to Parent betfred sportsbook$ 16.4 $ 34.0