Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Long Term Debt and Revolving Lines of Credit (Details Textual)

v3.20.1
Note 9 - Long Term Debt and Revolving Lines of Credit (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 21 Months Ended
May 15, 2019
Dec. 06, 2018
Dec. 05, 2018
Apr. 30, 2018
Nov. 30, 2016
Aug. 31, 2014
Sep. 30, 2017
Apr. 30, 2020
Oct. 31, 2019
Oct. 31, 2018
Oct. 02, 2017
Jul. 31, 2017
Long-term Debt, Total               $ 373,336 $ 381,826      
Long-term Debt, Gross               391,650 $ 402,094      
Gain (Loss) on Extinguishment of Debt, before Write off of Debt Issuance Cost     $ 16,400                  
Asset Backed Revolving Credit Facility [Member]                        
Long-term Line of Credit, Total               39,200        
Maximum [Member] | Asset Backed Revolving Credit Facility [Member]                        
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   0.50%                    
Senior Secured Notes [Member]                        
Debt Instrument, Interest Rate, Stated Percentage                 10.375%      
Proceeds from Issuance of Debt       $ 15,000 $ 40,000 $ 140,000            
Repayments of Debt             $ 26,000          
Debt Instrument, Premium Percent       104.00%                
Long-term Debt, Gross       $ 15,600                
Debt Instrument, Unamortized Premium, Total       $ 600                
Seller Notes [Member] | Former Owners of Camfaud [Member]                        
Debt Instrument, Face Amount         $ 6,200              
Debt Instrument, Interest Rate, Stated Percentage         5.00%              
Seller Notes [Member] | Former Owners of Reilly [Member]                        
Debt Instrument, Face Amount                       $ 1,900
Debt Instrument, Interest Rate, Stated Percentage                       5.00%
Asset Backed Revolving Credit Facility [Member]                        
Line of Credit Facility, Maximum Borrowing Capacity   $ 60,000                    
Asset Backed Revolving Credit Facility [Member] | Minimum [Member]                        
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   0.25%                    
Asset Backed Revolving Credit Facility [Member] | Standby Letters of Credit [Member]                        
Line of Credit Facility, Maximum Borrowing Capacity   $ 7,500                    
Asset Backed Revolving Credit Facility [Member] | Other Loan Borrowings [Member]                        
Line of Credit Facility, Maximum Borrowing Capacity   $ 7,500                    
Revolving Credit Facility [Member]                        
Line of Credit Facility, Maximum Borrowing Capacity                   $ 65,000    
The UK Revolver [Member]                        
Debt Instrument, Basis Spread on Variable Rate         2.00%              
Line of Credit Facility, Maximum Borrowing Capacity         $ 28,000              
Base Rate [Member] | Asset Backed Revolving Credit Facility [Member] | Other Loan Borrowings [Member]                        
Debt Instrument, Basis Spread on Variable Rate   1.25%                    
London Interbank Offered Rate (LIBOR) [Member] | Asset Backed Revolving Credit Facility [Member] | Other Loan Borrowings [Member]                        
Debt Instrument, Basis Spread on Variable Rate   2.25%                    
Term Loan Agreement [Member]                        
Debt Instrument, Face Amount   $ 357,000                    
Proceeds from Issuance of Long-term Debt, Total $ 60,000                      
Debt Instrument, Interest Rate, Stated Percentage   5.00%                    
Long-term Debt, Total               $ 391,700        
Term Loan Agreement [Member] | Eurodollar [Member]                        
Debt Instrument, Basis Spread on Variable Rate   6.00%                    
Term Loan Agreement [Member] | Base Rate [Member]                        
Debt Instrument, Basis Spread on Variable Rate   5.00%                    
Average Excess Availability, Tranche One [Member] | Revolving Credit Facility [Member]                        
Line of Credit Facility, Quarterly Average Excess Availability, Percent     66.67%                  
Average Excess Availability, Tranche One [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]                        
Debt Instrument, Basis Spread on Variable Rate     2.00%                  
Average Excess Availability, Tranche Two [Member] | Revolving Credit Facility [Member] | Minimum [Member]                        
Line of Credit Facility, Quarterly Average Excess Availability, Percent     33.33%                  
Average Excess Availability, Tranche Two [Member] | Revolving Credit Facility [Member] | Maximum [Member]                        
Line of Credit Facility, Quarterly Average Excess Availability, Percent     66.67%                  
Average Excess Availability, Tranche Two [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]                        
Debt Instrument, Basis Spread on Variable Rate     2.25%                  
Average Excess Availability, Tranche Three [Member] | Revolving Credit Facility [Member]                        
Line of Credit Facility, Quarterly Average Excess Availability, Percent     33.33%                  
Average Excess Availability, Tranche Three [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]                        
Debt Instrument, Basis Spread on Variable Rate     2.50%                  
Transferred From the Revolver Balance to a 3-month Line of Credit [Member] | Revolving Credit Facility [Member]                        
Long-term Line of Credit, Total                     $ 35,000