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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)
 6 Months Ended
Jun. 30, 2013
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Accumulated other comprehensive income (loss) consisted of the following (amounts in thousands):

 
Currency
Translation
Adjustments
 
Unrealized
Gain (Loss) on
Investments
 
Unrecognized
Losses and
Prior Service
Cost
 
 
 
Total
Balance at April 1, 2013
$
(21,084
)
 
$
—

 
$
(34,728
)
 
$
(55,812
)
Other comprehensive income (loss) before
 
 
 
 
 
 
 
reclassifications
(22,365
)
 
—

 
—

 
(22,365
)
Reclassification adjustments:
 

 
 

 
 

 
 

Amortization of unrecognized losses and prior
 
 
 
 
 
 
 
  service cost, net of tax of $(586)
—

 
—

 
1,070

 
1,070

Balance at June 30, 2013
$
(43,449
)
 
$
—

 
$
(33,658
)
 
$
(77,107
)

 
Currency
Translation
Adjustments
 
Unrealized
Gain (Loss) on
Investments
 
Unrecognized
Losses and
Prior Service
Cost
 
 
 
Total
Balance at January 1, 2013
$
(20,793
)
 
$
3

 
$
(35,679
)
 
$
(56,469
)
Other comprehensive income (loss) before
 
 
 
 
 
 
 
reclassifications
(22,656
)
 
(3
)
 
—

 
(22,659
)
Reclassification adjustments:
 

 
 

 
 

 
 

Amortization of unrecognized losses and prior
 
 
 
 
 
 
 
  service cost, net of tax of $(1,113)
—

 
—

 
2,021

 
2,021

Balance at June 30, 2013
$
(43,449
)
 
$
—

 
$
(33,658
)
 
$
(77,107
)