Inventories - Components of Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Jun. 30, 2023
Inventory Disclosure [Abstract]
Raw material and supplies	$ 34,779	$ 36,402
Goods in process and finished parts	21,298	20,978
Finished goods	32,534	34,414
Total before LIFO reserve	88,611	91,794
LIFO Reserve	(30,093)	(26,380)
Total	$ 58,518	$ 65,414