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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
 12 Months Ended
Dec. 31, 2011
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) [Abstract]  
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

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 January 1, 2010
$
(1,183
)
 
$
915

 
$
(28,038
)
 
$
(28,306
)
Unrealized gain on investment, net of tax of $5,683
—

 
10,554

 
—

 
10,554

Defined benefit pension plan entries:
 

 
 

 
 

 
 

Unrecognized prior service cost, net of tax of $53
—

 
—

 
83

 
83

Unrecognized net gain, net of tax of $350
—

 
—

 
661

 
661

Unrecognized deferred tax liability, net of tax of $22
—

 
—

 
(34
)
 
(34
)
Balance at December 31, 2010
(1,183
)
 
11,469

 
(27,328
)
 
(17,042
)
Currency translation adjustments
(12,833
)
 
—

 
—

 
(12,833
)
Unrealized gain on investments, net of tax of $2,208
—

 
4,009

 
—

 
4,009

Defined benefit pension plan entries:
 

 
 

 
 

 
 

Unrecognized prior service cost, net of tax of $52
—

 
—

 
84

 
84

Unrecognized net loss, net of tax of $4,614
—

 
—

 
(7,758
)
 
(7,758
)
Unrecognized deferred tax liability, net of tax of $21
—

 
—

 
(35
)
 
(35
)
Balance at December 31, 2011
$
(14,016
)
 
$
15,478

 
$
(35,037
)
 
$
(33,575
)