Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Numerator:
Net income (loss) from continuing operations	$ 45,389	$ (79,227)	$ 64,859
Net loss from discontinued operations	(34,594)	(113,427)	(7,262)
Net income (loss)	$ 10,795	$ (192,654)	$ 57,597
Denominator:
Weighted-average shares, basic (in shares)	25,423,000	25,378,000	25,642,000
Dilutive effect of share-based payments (in shares)	95,000	0	92,000
Weighted-average shares, diluted (in shares)	25,518,000	25,378,000	25,734,000
Net income (loss) from continuing operations per common share, basic (in dollars per share)	$ 1.79	$ (3.12)	$ 2.53
Net loss from discontinued operations per common share, basic (in dollars per share)	(1.36)	(4.47)	(0.28)
Net income (loss) per common share, basic (in dollars per share)	0.42	(7.59)	2.25
Net income (loss) from continuing operations per common share, diluted (in dollars per share)	1.78	(3.12)	2.52
Net loss from discontinued operations per common share, diluted (in dollars per share)	(1.36)	(4.47)	(0.28)
Net income (loss) per common share, diluted (in dollars per share)	$ 0.42	$ (7.59)	$ 2.24
Weighted average shares excluded from the computation of diluted earnings per share (in shares)	1,297,214	1,040,226	582,856