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Financing Arrangements (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Jan. 31, 2018
Oct. 31, 2016
Jul. 31, 2018
Oct. 31, 2018
Oct. 31, 2017
Oct. 30, 2015
Apr. 29, 2015
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate During Period       3.91% 4.51%    
Letters of Credit Outstanding, Amount     $ 5,656        
Collateral Agreement     65.00%        
Equipment security note       $ 244,038      
Equipment Security Note, Long-term Portion     $ (245,351) $ (245,351) $ (181,065)    
Minimum [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate, Stated Percentage       3.05%      
Maximum [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate, Stated Percentage       3.77%      
Lender Two [Member] | Revolving Credit Facility [Member]              
Debt Instrument [Line Items]              
Line of Credit Increase Minimum             $ 25,000
Line of Credit Increase Maximum       $ 150,000     100,000
Maximum Borrowing Capacity       350,000     360,000
Line of Credit, Committed Reductions             $ 30,000
Line of Credit Facility, Increase (Decrease), Net   $ 5,000          
Line of Credit Facility, Current Borrowing Capacity           $ 355,000  
Line of Credit Facility, Remaining Borrowing Capacity     101,044        
Lender Two [Member] | Maximum [Member] | Revolving Credit Facility [Member]              
Debt Instrument [Line Items]              
Line of Credit Facility, Capacity Available for Debt Issuance           40,000  
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases           $ 50,000  
London Interbank Offered Rate (LIBOR) [Member] | Lender Two [Member] | Minimum [Member] | Revolving Credit Facility [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate 1.50%            
London Interbank Offered Rate (LIBOR) [Member] | Lender Two [Member] | Maximum [Member] | Revolving Credit Facility [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate 3.00%            
Base Rate [Member] | Lender Two [Member] | Minimum [Member] | Revolving Credit Facility [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate 0.50%            
Base Rate [Member] | Lender Two [Member] | Maximum [Member] | Revolving Credit Facility [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate 2.00%            
Revolving Credit Facility [Member]              
Debt Instrument [Line Items]              
Equipment security note     243,300 243,300 178,200    
Equipment Security Note, Short-Term Portion       0      
Equipment Security Note [Member]              
Debt Instrument [Line Items]              
Equipment security note     $ 0   482    
Insurance Financing Agreement [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate, Stated Percentage     2.05%        
Debt Instrument, Periodic Payment     $ 94        
Short-term Debt     $ 738 738 $ 650    
Equipment Security Note, Short-Term Portion       738      
Fixed Rate Debt [Member]              
Debt Instrument [Line Items]              
Equipment security note       738      
Tranche A Facility [Member] | Lender Two [Member] | Revolving Credit Facility [Member]              
Debt Instrument [Line Items]              
Maximum Borrowing Capacity       275,000      
Tranche B Facility [Member] | Lender Two [Member] | Revolving Credit Facility [Member]              
Debt Instrument [Line Items]              
Maximum Borrowing Capacity       $ 75,000