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Income Taxes Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Jul. 31, 2019
Jul. 31, 2018
Income Tax Disclosure [Abstract]        
Income tax (benefit) expense $ (973) $ (7,014) $ (2,612) $ (9,854)
Income before income taxes $ (3,682) $ 4,038 $ (8,907) $ 10,081
Effective tax rate 26.40% (173.70%) 29.30% (97.70%)
Benefit based on adjusting the estimated annual tax rate       $ (5,500)
Tax benefit due to enactment of TCJA       3,966
Income Tax Examination [Line Items]        
Tax contingency       $ 2,300
U.S. | Internal Revenue Service        
Income Tax Examination [Line Items]        
Tax contingency     $ 8,000