Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Jun. 30, 2022	49,360		24,037
Balance at Jun. 30, 2022	$ 494	$ 384,782	$ (681,834)	$ (6,462)	$ 710,369	$ (26)	$ 407,323
Net income	0	0	0	0	29,880	0	29,880
Share-based compensation expense	$ 0	268	$ 0	0	0	0	268
Restricted stock vesting (in shares)	(55)		(31)
Restricted stock vesting	$ 0	1	$ (765)	0	0	0	(764)
Cash dividends declared	0	0	0	0	(20,879)	0	(20,879)
Other comprehensive income (loss)	0	0	0	(82)	0	(7)	(89)
Share-based compensation expense	$ 0	268	$ 0	0	0	0	268
Restricted stock vesting (in shares)	55		31
Restricted stock vesting	$ (0)	(1)	$ 765	(0)	(0)	(0)	764
Balance (in shares) at Sep. 30, 2022	49,415		24,068
Balance at Sep. 30, 2022	$ 494	385,051	$ (682,599)	(6,544)	719,370	(33)	415,739
Balance (in shares) at Jun. 30, 2022	49,360		24,037
Balance at Jun. 30, 2022	$ 494	384,782	$ (681,834)	(6,462)	710,369	(26)	407,323
Net income							80,402
Other comprehensive income (loss)							2,242
Balance (in shares) at Mar. 31, 2023	49,426		24,070
Balance at Mar. 31, 2023	$ 494	386,003	$ (682,646)	(4,236)	753,588	(10)	453,193
Balance (in shares) at Sep. 30, 2022	49,415		24,068
Balance at Sep. 30, 2022	$ 494	385,051	$ (682,599)	(6,544)	719,370	(33)	415,739
Net income	$ 0	0	$ 0	0	28,166	0	28,166
Common stock issued on share-based awards (in shares)	1		0
Common stock issued on share-based awards	$ 0	9	$ 0	0	0	0	9
Share-based compensation expense	0	495	0	0	0	0	495
Cash dividends declared	0	0	0	0	(8,152)	0	(8,152)
Other comprehensive income (loss)	0	0	0	795	0	12	807
Share-based compensation expense	$ 0	495	$ 0	0	0	0	495
Balance (in shares) at Dec. 31, 2022	49,416		24,068
Balance at Dec. 31, 2022	$ 494	385,555	$ (682,599)	(5,749)	739,384	(21)	437,064
Net income	$ 0	0	$ 0	0	22,356	0	22,356
Common stock issued on share-based awards (in shares)	1		0
Common stock issued on share-based awards	$ 0	66	$ 0	0	0	0	66
Share-based compensation expense	$ 0	382	$ 0	0	0	0	382
Restricted stock vesting (in shares)	(9)		(2)
Restricted stock vesting	$ 0	0	$ 47	0	0	0	47
Cash dividends declared	0	0	0	0	(8,152)	0	(8,152)
Other comprehensive income (loss)	0	0	0	1,513	0	11	1,524
Share-based compensation expense	$ 0	382	$ 0	0	0	0	382
Restricted stock vesting (in shares)	9		2
Restricted stock vesting	$ 0	0	$ (47)	0	0	0	(47)
Balance (in shares) at Mar. 31, 2023	49,426		24,070
Balance at Mar. 31, 2023	$ 494	386,003	$ (682,646)	(4,236)	753,588	(10)	453,193
Balance (in shares) at Jun. 30, 2023	49,426		24,070
Balance at Jun. 30, 2023	$ 494	386,146	$ (682,646)	(2,785)	769,819	(22)	471,006
Net income	$ 0	0	0	0	14,939	0	14,939
Common stock issued on share-based awards (in shares)	12
Common stock issued on share-based awards	$ 0	313	0	0	0	0	313
Share-based compensation expense	$ 0	357	$ 0	0	0	0	357
Restricted stock vesting (in shares)	97		66
Restricted stock vesting	$ 1	0	$ (2,101)	0	0	0	(2,100)
Cash dividends declared	0	0	0	0	(21,928)	0	(21,928)
Other comprehensive income (loss)	0	0	0	(25)	0	(6)	(31)
Share-based compensation expense	$ 0	357	$ 0	0	0	0	357
Restricted stock vesting (in shares)	(97)		(66)
Restricted stock vesting	$ (1)	(0)	$ 2,101	(0)	(0)	(0)	2,100
Balance (in shares) at Sep. 30, 2023	49,535		24,136
Balance at Sep. 30, 2023	$ 495	386,816	$ (684,747)	(2,810)	762,830	(28)	462,556
Balance (in shares) at Jun. 30, 2023	49,426		24,070
Balance at Jun. 30, 2023	$ 494	386,146	$ (682,646)	(2,785)	769,819	(22)	471,006
Net income							45,303
Other comprehensive income (loss)							1,894
Balance (in shares) at Mar. 31, 2024	49,550		24,138
Balance at Mar. 31, 2024	$ 495	387,739	$ (684,796)	(860)	774,813	(53)	477,338
Balance (in shares) at Sep. 30, 2023	49,535		24,136
Balance at Sep. 30, 2023	$ 495	386,816	$ (684,747)	(2,810)	762,830	(28)	462,556
Net income	$ 0	0	$ 0	0	17,411	0	17,411
Common stock issued on share-based awards (in shares)	1		0
Common stock issued on share-based awards	$ 0	9	$ 0	0	0	0	9
Share-based compensation expense	0	364	0	0	0	0	364
Cash dividends declared	0	0	0	0	(9,189)	0	(9,189)
Other comprehensive income (loss)	0	0	0	1,747	0	(8)	1,739
Share-based compensation expense	$ 0	364	$ 0	0	0	0	364
Balance (in shares) at Dec. 31, 2023	49,536		24,136
Balance at Dec. 31, 2023	$ 495	387,189	$ (684,747)	(1,063)	771,052	(36)	472,890
Net income	$ 0	0	$ 0	0	12,953	0	12,953
Common stock issued on share-based awards (in shares)	7		0
Common stock issued on share-based awards	$ 0	186	$ 0	0	0	0	186
Share-based compensation expense	$ 0	364	$ 0	0	0	0	364
Restricted stock vesting (in shares)	(7)		(2)
Restricted stock vesting	$ 0	0	$ 49	0	0	0	49
Cash dividends declared	0	0	0	0	(9,192)	0	(9,192)
Other comprehensive income (loss)	0	0	0	203	0	(17)	186
Share-based compensation expense	$ 0	364	$ 0	0	0	0	364
Restricted stock vesting (in shares)	7		2
Restricted stock vesting	$ 0	0	$ (49)	0	0	0	(49)
Balance (in shares) at Mar. 31, 2024	49,550		24,138
Balance at Mar. 31, 2024	$ 495	$ 387,739	$ (684,796)	$ (860)	$ 774,813	$ (53)	$ 477,338