v3.3.0.814

Derivative Instruments - Put and Call Option Contracts (Detail) gal in Thousands	9 Months Ended
	Sep. 30, 2015 gal	[1]
Derivative [Line Items]
Total fuel price derivative instruments, gallons	11,617
Unleaded Fuel [Member]
Derivative [Line Items]
Total fuel price derivative instruments, gallons	7,769
Diesel [Member]
Derivative [Line Items]
Total fuel price derivative instruments, gallons	3,848
[1] The settlement of the put and call option contracts is based upon the New York Mercantile Exchange’s New York Harbor Reformulated Gasoline Blendstock for Oxygenate Blending and the U.S. Department of Energy’s weekly retail on-highway diesel fuel price for the month.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Notional Amount Of Fuel Price Derivatives Not Designated As Hedging Instruments

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