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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
May 01, 2020
USD ($)
Sep. 20, 2018
USD ($)
Jul. 28, 2016
USD ($)
Jul. 28, 2016
CAD ($)
Jun. 19, 2012
USD ($)
Jul. 31, 2020
USD ($)
Jul. 31, 2020
USD ($)
Jul. 31, 2020
AED (د.إ)
Jan. 31, 2020
USD ($)
Nov. 30, 2019
EGP (ج.م.)
Debt and Lease Obligation, Total           $ 10,500 $ 10,500   $ 16,900  
Line of Credit, Current           2,470 2,470   $ 8,577  
Revolving Lines, North America [Member]                    
Debt Instrument, Term (Year)   3 years                
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, Current           2,500 2,500      
Line of Credit Facility, Current Borrowing Capacity           $ 5,200 $ 5,200      
Revolving Lines, North America [Member] | Weighted Average [Member]                    
Line of Credit Facility, Interest Rate at Period End           4.56% 4.56% 4.56%    
Foreign Revolving Lines [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity           $ 20,000 $ 20,000      
Letters of Credit Outstanding, Amount           4,300 4,300      
Proceeds from Issuance of Debt             1,000      
Line of Credit Facility, Remaining Borrowing Capacity           $ 14,700 $ 14,700      
Foreign Revolving Lines [Member] | CBE Corridor Rate [Member]                    
Debt Instrument, Basis Spread on Variable Rate             1.50%      
Foreign Revolving Lines [Member] | Weighted Average [Member]                    
Line of Credit Facility, Interest Rate at Period End           3.76% 3.76% 3.76%    
Foreign Revolving Lines [Member] | Minimum [Member]                    
Line of Credit Facility, Interest Rate at Period End           3.80% 3.80% 3.80%    
Debt Instrument, Interest Rate, Stated Percentage           4.50% 4.50% 4.50%    
Foreign Revolving Lines [Member] | Minimum [Member] | EIBOR [Member]                    
Debt Instrument, Basis Spread on Variable Rate             3.00%      
Foreign Revolving Lines [Member] | Maximum [Member]                    
Line of Credit Facility, Interest Rate at Period End           12.80% 12.80% 12.80%    
Foreign Revolving Lines [Member] | Maximum [Member] | EIBOR [Member]                    
Debt Instrument, Basis Spread on Variable Rate             3.50%      
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           4.17% 4.17% 4.17%    
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           3.80% 3.80% 3.80%    
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           4.30% 4.30% 4.30%    
Revolving Credit Lines Used by Middle Eastern Subsidiaries, 3 [Member] | Foreign Revolving Lines [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity           $ 12,500 $ 12,500     ج.م. 0.2
Line of Credit Facility, Interest Rate at Period End           12.80% 12.80% 12.80%    
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%