Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Note 9 - Long Term Debt and Revolving Lines of Credit (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 12 Months Ended 21 Months Ended
Dec. 05, 2018
Apr. 30, 2018
Nov. 30, 2016
Aug. 31, 2014
Jan. 31, 2019
Jan. 31, 2019
Oct. 31, 2018
Sep. 30, 2017
Oct. 02, 2017
Jul. 31, 2017
Long-term Debt, Total         $ 337,829 $ 337,829 $ 173,470      
Long-term Debt, Gross         357,000 357,000 175,845      
Debt Instrument, Unamortized Premium, Total         $ 540      
Gain (Loss) on Extinguishment of Debt, before Write off of Debt Issuance Cost $ (13,000)                
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     $ 167,553      
Debt Instrument, Unamortized Premium, Total   $ 600                
Original Senior Secured Notes [Member]                    
Long-term Debt, Total             0      
New Senior Secured Notes [Member]                    
Long-term Debt, Total             167,600      
Seller Notes [Member]                    
Long-term Debt, Gross         8,292      
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 60,000        
Long-term Line of Credit, Total         17,300 $ 17,300        
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] | Maximum [Member]                    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage           0.50%        
Asset Backed Revolving Credit Facility [Member] | Standby Letters of Credit [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity         7,500 $ 7,500        
Asset Backed Revolving Credit Facility [Member] | Other Loan Borrowings [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity         7,500 $ 7,500        
Revolving Credit Facility [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity             65,000      
Long-term Line of Credit, Total             48,700      
The UK Revolver [Member]                    
Debt Instrument, Basis Spread on Variable Rate     2.00%              
Line of Credit Facility, Maximum Borrowing Capacity     $ 28,000              
Long-term Line of Credit, Total             $ 14,300      
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 $ 357,000        
Debt Instrument, Interest Rate, Stated Percentage         5.00% 5.00%        
Long-term Debt, Total         $ 357,000 $ 357,000        
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