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ACCOUNTS RECEIVABLE (Tables)
 3 Months Ended
Mar. 31, 2012
Receivables [Abstract]  
Accounts receivable, net of allowances
Accounts receivable, net of allowances, consisted of the following at March 31, 2012 and December 31, 2011 (in thousands):
 
March 31, 2012
 
December 31, 2011
Accounts receivable
$
103,365

 
$
120,290

Less:
 
 
 
Allowance for doubtful accounts
(2,231
)
 
(2,342
)
Allowance for sales returns and rebates
(13,628
)
 
(13,643
)
 
$
87,506

 
$
104,305