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Fair Value Measurements (Schedule Of Items Measured At Fair Value On A Recurring Basis) (Details) - USD ($)
$ in Thousands
Nov. 30, 2025
Feb. 28, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market securities $ 781,633 $ 842,691
Mutual fund investments 33,558 27,495
Retained Interest, Fair Value Disclosure 45,543  
Total assets at fair value $ 861,296 $ 882,575
Percent of total assets at fair value 100.00% 100.00%
Percent of total assets 3.40% 3.20%
Total liabilities at fair value $ (8,282) $ (8,728)
Percent of total liabilities 0.00% 0.00%
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market securities $ 781,633 $ 842,691
Mutual fund investments 33,558 27,495
Retained Interest, Fair Value Disclosure 0  
Total assets at fair value $ 815,191 $ 870,186
Percent of total assets at fair value 94.60% 98.60%
Percent of total assets 3.20% 3.20%
Total liabilities at fair value $ 0 $ 0
Percent of total liabilities 0.00% 0.00%
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market securities $ 0 $ 0
Mutual fund investments 0 0
Retained Interest, Fair Value Disclosure 41,888  
Total assets at fair value $ 42,450 $ 12,389
Percent of total assets at fair value 4.90% 1.40%
Percent of total assets 0.20% 0.00%
Total liabilities at fair value $ (8,282) $ (8,728)
Percent of total liabilities 0.00% 0.00%
Fair Value, Inputs, Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market securities $ 0  
Mutual fund investments 0  
Retained Interest, Fair Value Disclosure 3,655  
Total assets at fair value $ 3,655  
Percent of total assets at fair value 0.40%  
Percent of total assets 0.00%  
Total liabilities at fair value $ 0  
Percent of total liabilities 0.00%  
Designated As Hedging Instrument    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset $ 562 $ 10,813
Liabilities: Derivative instruments (8,282) (8,728)
Designated As Hedging Instrument | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 0 0
Liabilities: Derivative instruments 0 0
Designated As Hedging Instrument | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 562 10,813
Liabilities: Derivative instruments (8,282) (8,728)
Designated As Hedging Instrument | Fair Value, Inputs, Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 0  
Liabilities: Derivative instruments $ 0  
Not Designated as Hedging Instrument [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset   1,576
Not Designated as Hedging Instrument [Member] | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset   0
Not Designated as Hedging Instrument [Member] | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset   $ 1,576