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Significant Accounting Policies (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jul. 31, 2018
Jul. 31, 2017
Jul. 31, 2018
Jul. 31, 2017
Nov. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Income Tax (Benefit) Expense $ 59,839 $ 55,011 $ 100,268 $ 168,947  
Accounting Standards Update 2016-09 [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Income Tax (Benefit) Expense     $ (4,000)    
Scenario, Forecast [Member] | Accounting Standards Update 2014-09 [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Reclassification of Inventory to Property, Construction and Office Equipment         $ 105,000
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets         $ 25,000