CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) Statement - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Retained Earnings
Balance (in shares) at Jun. 30, 2018		45,258,571
Balance at Jun. 30, 2018	$ 486,438	$ 2,263	$ 194,436	$ 9,656	$ 280,083
Net (loss) income	5,803
Foreign currency translation	(1,511)			(1,511)
Stock repurchase program (in shares)		(3,973,093)
Stock repurchase program	(68,331)	$ (199)	(68,132)
Exercise of SARs (in shares)		8,332
Exercise of SARs	(105)		(105)
Stock-based compensation	4,552		4,552
Net restricted stock activity (in shares)		178,658
Net restricted stock activity	(1,777)	$ 10	(1,787)
Minority interest	(59)				(59)
Balance (in shares) at Dec. 31, 2018		41,472,468
Balance at Dec. 31, 2018	425,010	$ 2,074	128,964	8,145	285,827
Balance (in shares) at Sep. 30, 2018		44,328,127
Balance at Sep. 30, 2018	468,357	$ 2,217	175,983	10,737	279,420
Net (loss) income	6,530				6,530
Foreign currency translation	(2,592)			(2,592)
Stock repurchase program (in shares)		(2,879,414)
Stock repurchase program	(48,993)	$ (144)	(48,849)
Exercise of SARs (in shares)		4,531
Exercise of SARs	(63)		(63)
Stock-based compensation	2,219		2,219
Net restricted stock activity (in shares)		19,224
Net restricted stock activity	(325)	$ 1	(326)
Minority interest	(123)				(123)
Balance (in shares) at Dec. 31, 2018		41,472,468
Balance at Dec. 31, 2018	$ 425,010	$ 2,074	128,964	8,145	285,827
Balance (in shares) at Jun. 30, 2019	36,869,249	36,869,249
Balance at Jun. 30, 2019	$ 324,245	$ 1,843	47,152	9,342	265,908
Net (loss) income	(23,207)
Foreign currency translation	$ 138			138
Stock repurchase program (in shares)	(1,500,000)	(1,504,000)
Stock repurchase program	$ (26,356)	$ (75)	(26,281)
Exercise of SARs (in shares)		1,776
Exercise of SARs	28		28
Stock-based compensation	2,139		2,139
Net restricted stock activity (in shares)		196,586
Net restricted stock activity	(1,798)	$ 10	(1,808)
Minority interest	$ (128)				(128)
Balance (in shares) at Dec. 31, 2019	35,563,611	35,563,611
Balance at Dec. 31, 2019	$ 275,061	$ 1,778	21,230	9,480	242,573
Balance (in shares) at Sep. 30, 2019		35,548,036
Balance at Sep. 30, 2019	283,739	$ 1,777	20,880	8,939	252,143
Net (loss) income	(9,402)				(9,402)
Foreign currency translation	541			541
Exercise of SARs (in shares)		1,500
Exercise of SARs	28		28
Stock-based compensation	332		332
Net restricted stock activity (in shares)		14,075
Net restricted stock activity	(9)	$ 1	(10)
Minority interest	$ (168)				(168)
Balance (in shares) at Dec. 31, 2019	35,563,611	35,563,611
Balance at Dec. 31, 2019	$ 275,061	$ 1,778	$ 21,230	$ 9,480	$ 242,573