CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income	Retained Earnings
Beginning balance (in shares) at Jun. 30, 2018		45,258,571
Beginning balance at Jun. 30, 2018	$ 486,438	$ 2,263	$ 194,436	$ 9,656	$ 280,083
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(727)				(727)
Foreign currency translation adjustments	$ 1,081			1,081
Stock repurchase program (in shares)	(1,100,000)	(1,093,679)
Stock repurchase program	$ (19,337)	$ (54)	(19,283)
Exercise of SARs (in shares)		5,783
Exercise of SARs	(42)		(42)
Stock-based compensation	2,335		2,335
Net restricted stock activity (in shares)		157,452
Net restricted stock activity	(1,455)	$ 8	(1,463)
Minority interest	64				64
Ending balance (in shares) at Sep. 30, 2018		44,328,127
Ending balance at Sep. 30, 2018	$ 468,357	$ 2,217	175,983	10,737	279,420
Beginning balance (in shares) at Jun. 30, 2019	36,869,249	36,869,249
Beginning balance at Jun. 30, 2019	$ 324,245	$ 1,843	47,152	9,342	265,908
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(13,805)				(13,805)
Foreign currency translation adjustments	$ (403)			(403)
Stock repurchase program (in shares)	(1,500,000)	(1,504,000)
Stock repurchase program	$ (26,356)	$ (75)	(26,281)
Exercise of SARs (in shares)		276
Stock-based compensation	1,807		1,807
Net restricted stock activity (in shares)		182,511
Net restricted stock activity	(1,789)	$ 9	(1,798)
Minority interest	$ 40				40
Ending balance (in shares) at Sep. 30, 2019	35,548,036	35,548,036
Ending balance at Sep. 30, 2019	$ 283,739	$ 1,777	$ 20,880	$ 8,939	$ 252,143