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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Income Taxes [Line Items]      
Gross deferred tax assets $ 19.1 $ 31.9  
Gross deferred tax liabilities 14.8 22.1  
Income before income taxes related to domestic operations 45.8 57.5 $ 61.0
Income (loss) before income taxes related to foreign operations (1.1) 0.2 $ (0.6)
Unrecognized tax benefits 0.1 $ 0.7  
Non-cash charges related to the revaluation of our net deferred tax assets and the transition tax on the deemed repatriation of foreign earnings 1.7    
Revaluation of net deferred tax assets 1.4    
Transition tax on deemed repatriation of foreign earnings 0.3    
Estimated income tax charge 2.3    
One time transition tax $ 0.3    
Corporate income tax rate 23.30% 35.00% 35.00%
Foreign cash and certain other specified assets      
Income Taxes [Line Items]      
Deemed repatriation of undistributed foreign earnings, tax rate 15.50%    
Remaining earnings      
Income Taxes [Line Items]      
Deemed repatriation of undistributed foreign earnings, tax rate 8.00%