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Intangible Assets
 6 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Intangible Assets
Intangible assets consisted of the following at the periods presented below:
September 30, 2025March 31, 2025
Gross Carrying ValueAccumulated AmortizationNet Carrying ValueGross Carrying ValueAccumulated AmortizationNet Carrying Value
Amortizable intangible assets:
Customer contracts and related customer relationships $619 $335 $284 $619 $305 $314 
Software189 126 63 168 109 59 
Total amortizable intangible assets$808 $461 $347 $787 $414 $373 
Unamortizable intangible assets:
Trade name$190 $— $190 $190 $— $190 
Total$998 $461 $537 $977 $414 $563