FUEL DERIVATIVE CONTRACTS Fair value Fuel Derivative Contracts (Details)	Nov. 01, 2014 gal
Commodity Contract 1 [Member]
Derivative [Line Items]
Nonmonetary notional amount (gallons of diesel)	800,000
Diesel fuel need in derivative contracts (in hundredths)	20.00%
Commodity Contract 2 [Member]
Derivative [Line Items]
Nonmonetary notional amount (gallons of diesel)	6,600,000
Diesel fuel need in derivative contracts (in hundredths)	40.00%

Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

Name:	invest_DerivativeNonmonetaryNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant