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Note H - Derivative Financial Instruments (Tables)
9 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Derivative Instruments [Table Text Block]
 
Asset Derivatives
 
Liability Derivatives
 
 
Balance Sheet
       
Balance Sheet
 
 
 
 
Derivatives designated as cash flow hedges:
Location
 
Fair Value
 
Location
 
Fair Value
 
Hot-rolled coil steel contracts hedging purchases
Other current assets
  $
2,862,580
 
 
   
 
 
Hot-rolled coil steel contracts hedging sales
 
   
 
 
Other current assets
  $
1,422,460
 
Derivative Instruments, Gain (Loss) [Table Text Block]
   
Gain Recognized
 
Location of Gain Reclassified from
 
Gain Reclassified from
 
   
in OCI
 
AOCI into Net Earnings
 
AOCI into Net Earnings
 
Hot-rolled coil steel contracts
  $
3,364,460
 
Costs of goods sold
  $
396,720