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Note 9 - Debt (Details Textual)
$ in Thousands, د.إ in Millions, $ in Millions, ج.م. in Billions
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 17, 2020
USD ($)
May 01, 2020
USD ($)
Sep. 20, 2018
USD ($)
Jul. 28, 2016
USD ($)
Jul. 28, 2016
CAD ($)
Jun. 19, 2012
USD ($)
Jan. 31, 2021
Jul. 31, 2020
Apr. 30, 2021
Jul. 31, 2021
Oct. 31, 2020
USD ($)
Oct. 31, 2019
USD ($)
Oct. 31, 2020
USD ($)
Oct. 31, 2020
AED (د.إ)
Jan. 31, 2020
USD ($)
Nov. 30, 2019
EGP (ج.م.)
Debt and Lease Obligation, Total                     $ 9,700   $ 9,700   $ 16,900  
Proceeds from Issuance of Long-term Debt, Total                     19        
Line of Credit, Current                     $ 1,803   $ 1,803   $ 8,577  
Revolving Lines, North America [Member]                                
Line of Credit Facility, Maximum Borrowing Capacity     $ 18,000                          
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage     0.375%                          
Line of Credit Facility, Capital Expenditures Restrictions     $ 3,000                          
Line of Credit Facility, Covenant Terms, EBITDA Ratio, Term One     1.1                          
Line of Credit Facility, Covenant Terms, EBITDA Ratio, Term Two     1.1                          
Line of Credit Facility, Covenant, Fixed Charge Coverage Ratio                         1.1      
Line of Credit Facility, Interest Rate at Period End                     5.09%   5.09% 5.09%    
Line of Credit Facility, Current Borrowing Capacity                     $ 5,800   $ 5,800      
Revolving Lines, North America [Member] | Foreign Subsidiaries [Member]                                
Line of Credit Facility, Cash Available to Satisfy a Future Potential Repatriation Cure of Ratio Covenant Breach                     6,200   6,200      
Revolving Lines, North America [Member] | Forecast [Member] | The Company and Its Subsidiaries [Member]                                
Line of Credit Facility, Fixed Charge Coverage Ratio Required                 1.25 1.25            
Revolving Lines, North America [Member] | Forecast [Member] | North American Loan Parties [Member]                                
Line of Credit Facility, Fixed Charge Coverage Ratio Required             1.1   1.1 1.1            
Revolving Lines, North America [Member] | Subsequent Event [Member]                                
Repayments of Long-term Lines of Credit $ 1,000                              
Line of Credit Facility, Additional Fees to Be Incurred 200                              
Line of Credit Facility, Maximum Borrowing Capacity, Availability Block $ 2,000                              
Foreign Revolving Lines [Member]                                
Line of Credit Facility, Maximum Borrowing Capacity                     $ 20,200   $ 20,200      
Line of Credit Facility, Interest Rate at Period End                     3.88%   3.88% 3.88%    
Letters of Credit Outstanding, Amount                     $ 4,500   $ 4,500      
Proceeds from Issuance of Debt                     1,000          
Line of Credit Facility, Remaining Borrowing Capacity                     $ 14,700   $ 14,700      
Foreign Revolving Lines [Member] | Minimum [Member]                                
Line of Credit Facility, Interest Rate at Period End                     3.70%   3.70% 3.70%    
Debt Instrument, Interest Rate, Stated Percentage                     4.50%   4.50% 4.50%    
Foreign Revolving Lines [Member] | Maximum [Member]                                
Line of Credit Facility, Interest Rate at Period End                     11.60%   11.60% 11.60%    
Foreign Revolving Lines [Member] | EIBOR [Member] | Minimum [Member]                                
Debt Instrument, Basis Spread on Variable Rate                     3.00%          
Foreign Revolving Lines [Member] | EIBOR [Member] | Maximum [Member]                                
Debt Instrument, Basis Spread on Variable Rate                     3.50%          
Foreign Revolving Lines [Member] | CBE Corridor Rate [Member]                                
Debt Instrument, Basis Spread on Variable Rate                     1.50%          
Paycheck Protection Program CARES Act [Member]                                
Proceeds from Issuance of Long-term Debt, Total   $ 3,200                            
Percent of Proceeds from Issuance of Debt Used for Payroll Related Expenses               100.00%                
Interest Rate 1 [Member] | Revolving Lines, North America [Member]                                
Line of Credit Facility, Interest Rate at Period End                     6.25%   6.25% 6.25%    
Interest Rate 2 [Member] | Revolving Lines, North America [Member]                                
Line of Credit Facility, Interest Rate at Period End                     4.15%   4.15% 4.15%    
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 1 [Member] | Foreign Revolving Lines [Member]                                
Line of Credit Facility, Maximum Borrowing Capacity                     $ 2,200   $ 2,200 د.إ 8.0    
Line of Credit Facility, Interest Rate at Period End                     3.70%   3.70% 3.70%    
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 2 [Member] | Foreign Revolving Lines [Member]                                
Line of Credit Facility, Maximum Borrowing Capacity                     $ 5,300   $ 5,300 د.إ 19.5    
Line of Credit Facility, Interest Rate at Period End                     4.20%   4.20% 4.20%    
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 3 [Member] | Foreign Revolving Lines [Member]                                
Line of Credit Facility, Maximum Borrowing Capacity                     $ 12,700   $ 12,700     ج.م. 0.2
Line of Credit Facility, Interest Rate at Period End                               11.60%
Canadian Mortgage Note [Member]                                
Proceeds from Issuance of Debt       $ 6,100 $ 8                      
Debt Instrument, Maturity Date       Dec. 23, 2042 Dec. 23, 2042                      
Debt Instrument, Interest Rate, Effective Percentage                     4.55%   4.55% 4.55%    
Mortgage Note Secured by Tennessee Manufacturing Facility [Member]                                
Debt Instrument, Interest Rate, Stated Percentage           4.50%                    
Debt Instrument, Maturity Date           Jul. 01, 2027                    
Debt Instrument, Issuance Date           Jun. 19, 2012                    
Proceeds from Issuance of Secured Debt           $ 1,800                    
Debt Instrument, Periodic Payment, Total           $ 13                    
Debt Instrument, Adjustable Interest Rate Period, Commencement Date           Jun. 19, 2022                    
Debt Instrument, Interest Rate, Maximum Annual Increase           2.00%                    
Debt Instrument, Adjustable Interest Rate, Ceiling           18.00%                    
Debt Instrument, Adjustable Interest Rate, Floor           4.50%