v3.3.1.900
CONSOLIDATED BALANCE SHEETS [Parenthetical] - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Trade receivables, allowance for doubtful accounts $ 39,505 $ 27,256
Common Stock, par value (in dollars per share) $ 0.001 $ 0.001
Common Stock, Shares Authorized 400,000,000 400,000,000
Common Stock, Shares, Issued 123,486,425 123,730,578
Common Stock, Shares, Outstanding 123,486,425 123,730,578