Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Change In Contract With Customer Liability [Roll Forward]
Balance, beginning of period	$ 4,432	$ 6,285	$ 5,075	$ 6,582
Cash changes	(239)	(973)	148	576
Contract With Customer, Liability, Increase From Deferred Revenue	551	1,238	1,529	2,220
Revenue recognition	(1,736)	(2,654)	(3,744)	(4,888)
Balance, end of period	3,008	4,193	3,008	4,193
Net sales	48,659	65,458	90,409	120,275
United States
Change In Contract With Customer Liability [Roll Forward]
Net sales	38,787	53,440	71,007	99,521
Canada
Change In Contract With Customer Liability [Roll Forward]
Net sales	4,918	8,388	9,366	14,195
Europe, the Middle East and Africa
Change In Contract With Customer Liability [Roll Forward]
Net sales	4,308	2,340	8,664	4,179
All other
Change In Contract With Customer Liability [Roll Forward]
Net sales	646	1,290	1,372	2,380
Product sales
Change In Contract With Customer Liability [Roll Forward]
Net sales	44,424	60,107	81,196	109,703
Extended warranties and services
Change In Contract With Customer Liability [Roll Forward]
Net sales	776	938	1,526	1,980
Other
Change In Contract With Customer Liability [Roll Forward]
Net sales	3,316	3,341	7,117	6,642
Royalty Income
Change In Contract With Customer Liability [Roll Forward]
Net sales	$ 143	$ 1,072	$ 570	$ 1,950