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NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2011
Accounting Policies [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
Other comprehensive income or loss includes foreign currency translation and unrealized holding gains and losses, net of taxes on available-for-sale investments.  

The components are as follows (in thousands):
 
December 31,
 
2011
 
2010
Net unrealized appreciation on available for sale investments
$
4,681

 
$
20,108

Foreign currency translation
(5,640
)
 
(4,781
)
Accumulated other comprehensive income (loss)
$
(959
)
 
$
15,327