Derivative Instruments - Statement of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 104,748	$ 104,959	$ 111,913
Ending Balance	38,112	104,748	104,959
Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(1,692)	(4,176)	6,964
Net gains (losses) recognized in earnings	0	0	304
Ending Balance	1,175	(1,692)	(4,176)
Derivative Instruments | Partial Unwind of Interest Swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Net gains (losses) recognized in earnings	(1,305)	(1,201)	(1,284)
Derivative Instruments | Commodity
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Net gains (losses) recognized in earnings	1,392	15,865	1,940
Net gains (losses) recognized in AOCI	2,384	(12,172)	(11,753)
Derivative Instruments | Interest Rate Swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Net gains (losses) recognized in earnings	$ 396	$ (7)	$ (347)