Goodwill and Other Intangibles Change in Goodwill Balance (Details) - USD ($) $ in Thousands		9 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Balance at beginning of year		$ 126,826	$ 97,907
Acquisition of business(1)	[1]	53,728	0
Foreign currency translation adjustment		101	62
Balance at end of period		$ 180,655	$ 97,969

[1] On October 1, 2020 the Company acquired 100% of the capital stock of Silva International, Inc. for approximately $164.0 million in cash and $8.9 million of working capital on-hand at the date of acquisition. The Silva acquisition resulted in $53.7 million of goodwill. See Note 3 for additional information.