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Long-Term Debt - Interest Rates (Details)
$ in Thousands
 12 Months Ended
Feb. 29, 2024
USD ($)
quarter
Feb. 28, 2023
USD ($)
Feb. 28, 2022
USD ($)
Credit agreement      
Revolving Line of Credit      
Average borrowings outstanding $ 806,415 $ 1,011,263 $ 503,900
Average interest rates during each year (as a percent) 6.40% 4.40% 2.30%
Weighted average interest rates on borrowings outstanding at year end (as a percent) 6.00% 6.30% 1.60%
Number of prior quarters used in calculation of average borrowings outstanding | quarter 4    
Credit agreement | Minimum      
Revolving Line of Credit      
Interest rate range during each year (as a percent) 6.50% 1.10% 1.10%
Credit agreement | Maximum      
Revolving Line of Credit      
Interest rate range during each year (as a percent) 9.30% 8.60% 3.30%
MBFC loan      
Revolving Line of Credit      
Average borrowings outstanding   $ 12,226 $ 17,087
Average interest rates during each year (as a percent)   5.00% 1.10%
Weighted average interest rates on borrowings outstanding at year end (as a percent)     1.20%
MBFC loan | Minimum      
Revolving Line of Credit      
Interest rate range during each year (as a percent)   1.20% 1.10%
MBFC loan | Maximum      
Revolving Line of Credit      
Interest rate range during each year (as a percent)   5.90% 1.20%