XML 38 R32.htm IDEA: XBRL DOCUMENT v2.4.0.6
ACCOUNTS RECEIVABLE (Tables)
3 Months Ended
Mar. 31, 2013
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Accounts receivable consisted of the following (amounts in thousands):
 
March 31,
2013
 
December 31,
2012
Accounts receivable
$
335,514

 
$
302,928

Allowance for doubtful accounts
(6,146
)
 
(5,130
)
Accounts receivable, net
$
329,368

 
$
297,798