Other Intangible Assets, net (Detail) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Indefinite-lived intangible assets
Gross carrying amount. infinite lived intangible assets, cost		$ 27,000
Other intangible assets, Total cost		43,627	$ 14,913
other Intangible Assets, Gross, accumulated amortization		(300)
Other intangibles, net		43,327	14,913
Developed Technology [Member]
Finite-lived intangible assets
Gross carrying amount. finite lived intangible assets, cost		27,000
Indefinite-lived intangible assets
Gross carrying amount. finite lived intangible assets, weighted average useful life	14 years 9 months 18 days
Gross carrying amount. finite lived intangible assets, Accumulated amortization		(300)
Gross carrying amount, finite lived intangible assets net carrying value		26,700
In Process Research and Development
Indefinite-lived intangible assets
Gross carrying amount. infinite lived intangible assets, cost		16,627	14,913
Gross carrying amount, indefinite lived intangible assets net carrying value		$ 16,627	$ 14,913