SIGNIFICANT ACCOUNTING POLICIES - Warranties, Research and Development, Deferred Debt Issuance Costs, and Other - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Research and Development
Research and development expenditures	$ 8,300	$ 7,200	$ 5,800
Deferred Debt Issuance Costs
Deferred financing costs incurred			600
Amortization of deferred financing costs	200	200	600
Loss on extinguishment of debt	0	0	733
Advertising
Advertising costs	5,700	4,400	4,400
Postretirement Benefits
Defined contribution plan expense	$ 1,900	$ 1,700	$ 1,400
Minimum
Product Warranties
Product warranty term	1 year
Maximum
Product Warranties
Product warranty term	5 years