Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Schedule Of Subsidiaries) (Details)

betfred sportsbook|Welcome_Subsidiaries) (Details) v3.10.0.1
Betfred
9 Months Ended
Sep. 30, 2018
Northshore  
Related Party Transaction [Line Items]  
Entity Address, State or Province Minnesota
United Taconite  
Related Party Transaction [Line Items]  
Entity Address, State or Province Minnesota
Tilden  
Related Party Transaction [Line Items]  
Entity Address, State or Province Michigan
Empire  
Related Party Transaction [Line Items]  
Entity Address, State or Province Michigan
Koolyanobbing  
Related Party Transaction [Line Items]  
Entity Address, State or Province Western Australia