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STOCK-BASED COMPENSATION (Stock Option Activity and Intrinsic Value) (Details) - Stock Options Plans - USD ($)
 3 Months Ended 6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Options Activity [Roll Forward]        
Options outstanding, beginning of year (in shares)     169,154  
Exercised (in shares)     (24,789)  
Forfeited (in shares)     (1,000)  
Expired (in shares)     (550)  
Options outstanding, end of period (in shares) 142,815   142,815  
Options exercisable, end of period (in shares) 102,612   102,612  
Weighted Average Exercise Price        
Options outstanding, beginning of year (in dollars per share)     $ 111.55  
Exercised (in dollars per share)     102.55  
Forfeited (in dollars per share)     111.64  
Expired (in dollars per share)     208.68  
Options outstanding, end of period (in dollars per share) $ 112.74   112.74  
Options exercisable, end of period (in dollars per share) $ 112.71   $ 112.71  
Stock Option Activity Additional Disclosures [Abstract]        
Weighted-average remaining contractual term, options outstanding, end of period     5 years 4 months 24 days  
Weighted-average remaining contractual terms, options exercisable, end of period     3 years 10 months 24 days  
Aggregate intrinsic value, options outstanding, end of period $ 8,262,308   $ 8,262,308  
Aggregate intrinsic value, options exercisable, end of period 5,997,786   5,997,786  
Intrinsic value of options exercised 466,001 $ 259,922 1,466,599 $ 516,719
Tax benefit of options exercised $ 114,170 $ 63,681 $ 359,317 $ 126,596