Quarterly report pursuant to Section 13 or 15(d)

FUEL DERIVATIVE CONTRACTS Fair value Fuel Derivative Contracts (Details)

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FUEL DERIVATIVE CONTRACTS Fair value Fuel Derivative Contracts (Details) - Aug. 01, 2015 - Commodity Contract 1 - gal
gal in Millions
Total
Derivative [Line Items]  
Nonmonetary notional amount (gallons of diesel) 3.3
Diesel fuel need in derivative contracts (in hundredths) 37.00%