Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 1)

 v2.3.0.11
Summary of Significant Accounting Policies (Details 1) (USD $)
In Thousands
Jun. 30, 2011
Dec. 31, 2010
Accounts Receivable    
Gross accounts receivable $ 112,661 $ 131,880
Allowance for Doubtful Accounts Receivable, Current, Ending Balance (11,827) (10,222)
Total accounts receivable, net $ 100,834 $ 121,658