Derivative Instruments (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | 9 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2014
|
Sep. 30, 2013
|
Dec. 31, 2013
|
Sep. 30, 2013
Foreign Currency Derivatives [Member]
|
Sep. 30, 2014
Refined Oil Products [Member]
Commodity Derivative Contracts [Member]
|
Sep. 30, 2014
Minimum [Member]
Foreign Currency Derivatives [Member]
|
Sep. 30, 2014
Minimum [Member]
Commodity Derivative Contracts [Member]
|
Sep. 30, 2014
Maximum [Member]
Foreign Currency Derivatives [Member]
|
Sep. 30, 2014
Maximum [Member]
Commodity Derivative Contracts [Member]
|
|
Derivative [Line Items] | |||||||||
Outstanding derivative swap contracts | $ 11.6 | ||||||||
Notional amounts of foreign currency derivatives | 124.2 | ||||||||
Derivative maturities | October 2014 | October 2014 | September 2015 | December 2014 | |||||
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value, Net | 11.5 | 25.2 | |||||||
Gain (Loss) on Derivative Used in Net Investment Hedge, Net of Tax | $ 0.7 | $ 0.2 |