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SELECTED FINANCIAL STATEMENT INFORMATION, Accounts Receivable (Details) - USD ($)
$ in Thousands
Oct. 31, 2016
Oct. 31, 2015
Accounts receivable $ 205,386 $ 183,631
Less: Allowance for doubtful accounts (3,159) (2,038)
Accounts receivable, net $ 202,227 $ 181,593