XML 49 R38.htm IDEA: XBRL DOCUMENT v3.19.2
SELECTED FINANCIAL STATEMENT INFORMATION (Accounts Receivable) (Details) - USD ($)
$ in Thousands
Jul. 31, 2019
Oct. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable $ 263,645 $ 240,544
Less: Allowance for doubtful accounts (4,324) (3,258)
Accounts receivable, net $ 259,321 $ 237,286