Other Noncurrent Assets (Changes in Carrying Amount of Capitalized Software Developed for Sale ) (Details) $ in Thousands	12 Months Ended
	Mar. 31, 2021 USD ($)
Other Noncurrent Assets [Abstract]
Balance at beginning of period	$ 574
Amounts capitalized	13,919
Amortization expense	(1,326)
Disposal from sale of businesses	(837)
Other	(1,551)
Balance at end of period	$ 10,779