Nature of Business and Summary of Significant Accounting Policies - Net Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Net Income
Basic EPS	$ 10,122	$ 13,196	$ 31,774	$ 36,284
Diluted EPS	$ 10,122	$ 13,196	$ 31,774	$ 36,284
Weighted average
Weighted Average Shares, Basic EPS	36,111,000	36,835,000	36,511,000	36,792,000
Weighted Average Shares, Stock Options	142,000	283,000	232,000	240,000
Weighted Average Shares, Diluted EPS	36,253,000	37,118,000	36,743,000	37,032,000
Net Income per Share
Basic (in dollars per share)	$ 0.28	$ 0.36	$ 0.87	$ 0.99
Stock Options (in dollars per share)			(0.01)	(0.01)
Diluted (in dollars per share)	$ 0.28	$ 0.36	$ 0.86	$ 0.98
Excluded from diluted EPS	125,000	0	88,333	24,167