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Note 14 - Other Comprehensive Income ("OCI")
 12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]
14.
         OTHER COMPREHENSIVE INCOME ("OCI")
 
OCI is comprised of net income and other adjustments, including changes in the fair value of certain derivative financial instruments qualifying as cash flow hedges.
 
The following tables summarize the change in the components of our OCI balance for the periods presented (in thousands; presented net of tax):
 
Details about OCI
Components
 
Amount Reclassified from OCI for the years ended
December 31,
 
Affected Line Item in
the Statement of
Operations
   
2016
    
2015
    
2014
    
(Losses) gains on cash flow hedges
 
 
 
 
 
 
 
 
 
 
 
 
 
Commodity derivative contracts
   $
(16,674
 )   $
(15,313
 )   $
(3,141
 )
Fuel expense
     
6,419
      
5,865
      
1,206
  
Income tax expense
    $
(10,255
 )   $
(9,448
 )   $
(1,935
 )
Net of tax
                           
Interest rate swap contracts
   $
(557
 )   $
(259
 )   $
-
  
Interest expense
     
215
      
99
      
-
  
Income tax expense
    $
(342
 )   $
(160
 )   $
-
  
Net of tax
 
For additional information about our cash flow hedges, refer to Note
13.