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ACCOUNTS RECEIVABLE (Tables)
 6 Months Ended
Jun. 30, 2012
Receivables [Abstract]  
Accounts receivable, net of allowances
Accounts receivable, net of allowances, consisted of the following at June 30, 2012 and December 31, 2011 (in thousands):
 
June 30, 2012
 
December 31, 2011
Accounts receivable
$
108,357

 
$
120,290

Less:
 
 
 
Allowance for doubtful accounts
(1,972
)
 
(2,342
)
Allowance for sales returns and rebates
(17,205
)
 
(13,643
)
 
$
89,180

 
$
104,305