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Note 11 - Other Comprehensive Income (Loss) ("OCI")
 9 Months Ended
Sep. 30, 2018
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]
Note
11.
Other comprehensive income
(loss)
(
"
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 table summarizes 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
three months ended
September
30, 201
8
    
Amount
Reclassified from
OCI
for the
nine
months ended
September
30,
201
8
  
Affected Line Item
in the Statement of
Operations
Losses
(gains)
on cash
flow hedges
  
 
 
 
  
 
 
 
  
Commodity derivative contracts
   $
(580
 )   $
(1,312
 )
Fuel expense
     
160
      
361
  
Income tax expense
    $
(420
 )   $
(951
 )
Net of tax
                   
Interest rate swap contract
   $
19
     $
114
  
Interest expense
     
(5
 )    
(31
 )
Income tax benefit
    $
14
     $
83
  
Net of tax