Stock-Based Compensation (Details) - 2011 Phantom Stock Option and Long-term Incentive Plan [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Jun. 30, 2023
Stock option activity, shares [Roll Forward]
Number of options outstanding, beginning of period (in shares)	2,317,535	2,614,840	2,535,840	2,959,040
Options granted (in shares)	0	0	672,095	807,200
Options paid in cash (in shares)	0	(70,000)	(890,400)	(1,221,400)
Number of options outstanding, end of period (in shares)	2,317,535	2,544,840	2,317,535	2,544,840
Stock option related information [Abstract]
Cash paid out on options vested	$ 0	$ 184	$ 4,051	$ 4,288
Compensation costs recognized	908	$ 1,239	2,302	$ 3,233
Total liability for the Plan	$ 4,500		$ 4,500		$ 6,300