Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable, net (Details)

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Accounts Receivable, net (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Accounts receivable, net    
Gross accounts receivable $ 110,290 $ 113,015
Allowance for doubtful accounts (7,644) (9,078)
Total accounts receivable, net $ 102,646 $ 103,937