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Financing Balances at Period End (Details) - USD ($)
$ in Thousands
Jan. 31, 2019
Oct. 31, 2018
Jul. 31, 2018
Oct. 31, 2017
Debt Instrument [Line Items]        
Credit Agreement Interest Rate:     5.04% 4.59%
Long-term Debt $ 236,926      
Total Debt 239,394 $ 246,678    
Debt, Current 813 1,327    
Long-term debt 238,581 245,351    
Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Long-term Debt 236,600 243,300    
Capital Lease Obligations [Member]        
Debt Instrument [Line Items]        
Long-term Debt 2,468 2,640    
Insurance Financing Agreement [Member]        
Debt Instrument [Line Items]        
Short-term Debt $ 326 $ 738