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Fair Value - Carrying Value and Fair Value (Details) - USD ($)
12 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Liabilities:    
Asset impairment charges $ 0 $ 0
Recurring | Level 2    
Assets:    
Cash equivalents (money market accounts) 462,000 381,000
Total assets 12,506,000 7,550,000
Liabilities:    
Total liabilities 386,000 711,000
Recurring | Level 2 | Interest rate swaps    
Assets:    
Derivative assets 2,504,000 5,746,000
Recurring | Level 2 | Foreign currency derivatives    
Assets:    
Derivative assets 592,000 1,423,000
Liabilities:    
Derivative liabilities 386,000 711,000
Recurring | Level 2 | US Treasury Bills    
Assets:    
U.S. Treasury Bills $ 8,948,000 $ 0