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Financing Arrangements (Details)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended
Jan. 31, 2019
Oct. 31, 2016
USD ($)
Apr. 30, 2019
USD ($)
Apr. 30, 2018
USD ($)
Jul. 31, 2018
USD ($)
Jul. 31, 2020
Jul. 31, 2019
Oct. 31, 2018
USD ($)
Oct. 30, 2015
USD ($)
Apr. 29, 2015
USD ($)
Debt Instrument [Line Items]                    
Debt Instrument, Interest Rate During Period     5.42% 4.03%            
Debt Instrument, Covenant, Leverage Ratio, Maximum     3.75              
Letters of Credit Outstanding, Amount       $ 6,206            
Collateral Agreement       66.00%            
Long-term Debt     $ 245,894              
Lender Group Two [Member] | Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Line of Credit Increase Maximum               $ 150,000   $ 100,000
Line of Credit Facility, Maximum Borrowing Capacity               $ 350,000   360,000
Line of Credit Facility, Remaining Borrowing Capacity       $ 97,994            
Line of Credit Increase Minimum                   25,000
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  
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%    
Maximum [Member] | Lender Group Two [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  
Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Long-term Debt     245,800         $ 243,300    
Capital Lease Obligations [Member]                    
Debt Instrument [Line Items]                    
Long-term Debt     2,187         2,640    
London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] | Lender Group Two [Member] | Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Debt Instrument, Basis Spread on Variable Rate 1.50%                  
London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] | Lender Group Two [Member] | Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Debt Instrument, Basis Spread on Variable Rate 3.00%                  
Base Rate [Member] | Minimum [Member] | Lender Group Two [Member] | Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Debt Instrument, Basis Spread on Variable Rate 0.50%                  
Base Rate [Member] | Maximum [Member] | Lender Group Two [Member] | Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Debt Instrument, Basis Spread on Variable Rate 2.00%                  
Tranche B Facility [Member] | Lender Group Two [Member] | Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Line of Credit Facility, Maximum Borrowing Capacity               75,000    
Fixed Rate Debt [Member]                    
Debt Instrument [Line Items]                    
Long-term Debt     94              
Tranche A Facility [Member] | Lender Group Two [Member] | Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Line of Credit Facility, Maximum Borrowing Capacity               275,000    
Insurance Financing Agreement [Member]                    
Debt Instrument [Line Items]                    
Debt Instrument, Interest Rate, Stated Percentage         2.55%          
Debt Instrument, Periodic Payment         $ 94          
Short-term Debt     $ 94         $ 738    
Subsequent Event [Member]                    
Debt Instrument [Line Items]                    
Debt Instrument, Covenant, Leverage Ratio, Maximum           3.25 3.50