XML 83 R67.htm IDEA: XBRL DOCUMENT v3.10.0.1
Derivatives (Schedule Of Fair Value Of Outstanding Derivative Instruments) (Details) - USD ($)
$ in Millions
Jun. 30, 2018
Sep. 30, 2017
Derivatives, Fair Value [Line Items]    
Derivative assets $ 4.6 $ 1.5
Derivative liabilities   3.3
Commodity Swaps [Member] | Other Receivables [Member] | Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 0.1 0.6
Commodity Swaps [Member] | Accounts Payable [Member] | Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative liabilities 0.2  
Interest Rate Swaps [Member] | Other Receivables [Member] | Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 2.0  
Interest Rate Swaps [Member] | Deferred Charges And Other [Member] | Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 1.6 0.4
Interest Rate Swaps [Member] | Other Current Liabilities [Member] | Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative liabilities   0.5
Interest Rate Swaps [Member] | Accrued Interest [Member] | Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative liabilities (0.3) 0.2
Foreign Exchange Contracts [Member] | Other Receivables [Member] | Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 0.7  
Foreign Exchange Contracts [Member] | Other Receivables [Member] | Not Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 0.2 0.3
Foreign Exchange Contracts [Member] | Deferred Charges And Other [Member] | Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets   0.2
Foreign Exchange Contracts [Member] | Accounts Payable [Member] | Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative liabilities $ 0.1 2.3
Foreign Exchange Contracts [Member] | Other Long-term Liabilities [Member] | Designated as Hedging [Member]    
Derivatives, Fair Value [Line Items]    
Derivative liabilities   $ 0.3