XML 36 R24.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 7 - Interest Expense, Net (Tables)
 6 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Other Nonoperating Expense, by Component [Table Text Block]
   
Three Months Ended June 30,
    
Six Months Ended June 30,
  
   
2017
   
2016
   
2017
   
2016
 
                                 
Interest related to sale of tax benefits
   $
1,849
     $
2,846
     $
3,861
     $
3,704
  
Interest expense
    
14,146
      
15,863
      
28,321
      
31,488
  
Less
— amount capitalized
    
(1,455
 )    
(308
 )    
(2,719
 )    
(768
 )
    $
14,540
     $
18,401
     $
29,463
     $
34,424