Revenue from Contracts with Customers - Disaggregation of revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 62,076	$ 66,775	$ 122,712	$ 127,236
United States | North American Segment
Disaggregation of Revenue [Line Items]
Net sales	33,132	37,620	65,908	71,892
Canada & Mexico | North American Segment
Disaggregation of Revenue [Line Items]
Net sales	1,792	2,067	3,550	4,278
Brazil | International Segment
Disaggregation of Revenue [Line Items]
Net sales	20,209	20,057	39,639	37,305
United Kingdom | International Segment
Disaggregation of Revenue [Line Items]
Net sales	3,095	3,294	6,630	6,494
China | International Segment
Disaggregation of Revenue [Line Items]
Net sales	1,879	1,978	3,336	3,665
Australia & New Zealand | International Segment
Disaggregation of Revenue [Line Items]
Net sales	$ 1,969	$ 1,759	$ 3,649	$ 3,601