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Income Taxes - Narrative (Details)
$ in Millions
3 Months Ended
Jan. 31, 2018
USD ($)
Income Taxes  
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