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Note 5 - Accumulated Other Comprehensive Loss (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
 
 
Foreign
Currency
Translation
Adjustments
 
 
Defined
Benefit
Pension Plan
 
 
Unrealized
Loss on Cash
Flow Hedges
 
 
Total
 
                                 
Beginning Balance – January 1, 2016
  $ (9,502 )   $ (11,362 )   $ (1,611 )   $ (22,475 )
Other comprehensive income (loss) before reclassifications
    2,400       -       (1,154 ) (1)    1,246  
Amounts reclassified from AOCL
    -       -       -       -  
Net current-period other comprehensive income (loss)
    2,400       -       (1,154 )     1,246  
Ending Balance – March 31, 2016
  $ (7,102 )   $ (11,362 )   $ (2,765 )   $ (21,229 )
 
 
Foreign
Currency
Translation
Adjustments
 
 
Defined
Benefit
Pension Plan
 
 
Unrealized
Loss on Cash
Flow Hedges
 
 
Total
 
                                 
Beginning Balance – January 1, 2015
  $ (1,878 )   $ (13,243 )   $ (646 )   $ (15,767 )
Other comprehensive loss before reclassifications
    (5,546 )     -       (1,272 ) (2)   (6,818 )
Amounts reclassified from AOCL
    -       -       -       -  
Net current-period other comprehensive loss
    (5,546 )     -       (1,272 )     (6,818 )
Ending Balance – March 31, 2015
  $ (7,424 )   $ (13,243 )   $ (1,918 )   $ (22,585 )