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Note 10 - Credit Agreements (Tables)
12 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Short-term Debt [Table Text Block]
   
December 31,
 
   
201
7
   
201
6
 
ABL facilit
y
  $
-
    $
-
 
Other lines of credi
t
   
20,602
     
31,198
 
Tota
l
  $
20,602
    $
31,198
 
Schedule of Long-term Debt Instruments [Table Text Block]
   
December 31,
 
   
201
7
   
201
6
 
Term loa
n
  $
929,000
    $
929,000
 
Original issue discount and deferred financing cost
s
   
(26,937
)    
(26,677
)
ABL facilit
y
   
-
     
100,000
 
Capital lease obligatio
n
   
4,690
     
4,647
 
Othe
r
   
1,367
     
14,753
 
Tota
l
   
908,120
     
1,021,723
 
Less: current portion of deb
t
   
936
     
14,399
 
Less: current portion of capital lease obligatio
n
   
636
     
566
 
Tota
l
  $
906,548
    $
1,006,758
 
Schedule of Maturities of Long-term Debt [Table Text Block]
201
8
  $
1,572
 
201
9
   
1,078
 
20
20
   
599
 
20
21
   
614
 
After 20
21
   
931,194
 
Total
  $
935,057