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Inventories
12 Months Ended
Mar. 31, 2024
Inventory Disclosure [Abstract]  
Inventories Inventories
 
Inventories consisted of the following:
 March 31,
 20242023
At cost—FIFO basis:  
Raw materials$151,031 $142,490 
Work-in-process26,669 26,323 
Finished goods40,554 39,714 
 218,254 208,527 
LIFO cost less than FIFO cost(32,163)(29,168)
Net inventories$186,091 $179,359 
There were LIFO liquidations resulting in $181,000 and $162,000 of additional income in fiscal 2024 and 2023, respectively.