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Note 14 - Accumulated Other Comprehensive Income (Tables)
12 Months Ended
Dec. 31, 2013
Disclosure Text Block [Abstract]  
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Details about AOCI Components

 

Amount Reclassified from AOCI for the years ended December 31,

 

Affected Line Item in the Statement of Operations

 
   

2013

 

2012

 

2011

   

Gains on cash flow hedges

               

Commodity derivative contracts

 

$ 643

 

$ 5,031

 

$ 3,126

 

Fuel expense

   

 (247)

 

(1,932)

 

 (1,200)

 

Income tax expense

   

$ 396

 

$ 3,099

 

$ 1,926

 

Net of tax