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INVENTORIES
12 Months Ended
Dec. 31, 2011
INVENTORIES [Abstract]  
INVENTORIES
5.  INVENTORIES:

The carrying values of inventories are as follows:

 
December 31,
 
2010
 
2011
 
(in Thousands)
Finished goods
$  94,270
 
$102,645
Work in process
2,466
 
5,246
Obsolescence reserve
(20,849)
 
(13,990)
 Inventories   
$  75,887
 $  93,901