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Borrowings (Schedule Of Debt Maturities) (Details) - USD ($)
$ in Thousands
Apr. 30, 2016
Oct. 31, 2015
Long-term Debt, by Maturity [Abstract]    
2016 (remaining six months) $ 101  
2017 0  
2018 0  
2019 0  
2020 575,000  
Thereafter 300,000  
Long-term debt, gross $ 875,101 $ 875,298