Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule Of Derivative Instruments In Statement Of Financial Position, Fair Value) (Details)

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Jun. 30, 2015
Dec. 31, 2014
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value $ 7.7 $ 63.2
Derivative liability, fair value 11.3 41.0
Designated as Hedging Instrument [Member]    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value 0.0 0.0
Derivative liability, fair value 0.0 21.6
Not Designated as Hedging Instrument [Member]    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value 7.7 63.2
Derivative liability, fair value 11.3 19.4
Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange betfred gamesContract [Member] | Derivative Financial Instruments, Assets [Member]    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value 0.0 0.0
Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange betfred gamesContract [Member] | Derivative Financial Instruments, Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value 0.0 21.6
Fair Value, Inputs, Level 2 [Member] | Not Designated as Hedging Instrument [Member] | Foreign Exchange betfred gamesContract [Member] | Derivative Financial Instruments, Assets [Member]    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value 0.0 0.0
Fair Value, Inputs, Level 2 [Member] | Not Designated as Hedging Instrument [Member] | Foreign Exchange betfred gamesContract [Member] | Derivative Financial Instruments, Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value 3.3 9.9
Market Approach Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Not Designated as Hedging Instrument [Member] | Customer Supply Agreement [Member] | Derivative Financial Instruments, Assets [Member]    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value 7.5 63.2
Market Approach Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Not Designated as Hedging Instrument [Member] | Customer Supply Agreement [Member] | Derivative Financial Instruments, Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value 0.0 0.0
Market Approach Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Not Designated as Hedging Instrument [Member] | Provisional Pricing Arrangements [Member] | Derivative Financial Instruments, Assets [Member]    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value 0.2 0.0
Market Approach Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Not Designated as Hedging Instrument [Member] | Provisional Pricing Arrangements [Member] | Derivative Financial Instruments, Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value $ 8.0 $ 9.5