Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Total
Balance at Jun. 30, 2019							$ 41,976	$ 65,515	$ 818,282	$ (137,278)	$ (324,182)	$ 464,313
Balance (in shares) at Jun. 30, 2019											15,650
Stock issued under incentive compensation plans and employee purchase plans							0	211	0	0	$ 1,526	1,737
Stock issued under incentive compensation plans and employee purchase plans (in shares)											(74)
Stock-based compensation							0	7,026	0	0	$ 0	7,026
Treasury stock acquired							0	0	0	0	$ (10,437)	(10,437)
Treasury stock acquired (in shares)											172
Net income (loss)							0	0	20,188	0	$ 0	20,188
Foreign currency translation adjustment							0	0	0	(3,388)	0	(3,388)
Pension, net of tax							0	0	0	(2,500)	0	(2,500)
Change in fair value of derivatives, net of tax							0	0	0	(4,493)	0	(4,493)
Dividends declared							0	0	(10,759)	0	0	(10,759)
Balance at Jun. 30, 2020	$ 0	$ 0	$ (55)	$ 0	$ 0	$ (55)	41,976	72,752	827,656	(147,659)	$ (333,093)	461,632
Balance (in shares) at Jun. 30, 2020											15,748
Stock issued under incentive compensation plans and employee purchase plans							0	(332)	0	0	$ 1,605	1,273
Stock issued under incentive compensation plans and employee purchase plans (in shares)											(76)
Stock-based compensation							0	8,368	0	0	$ 0	8,368
Treasury stock acquired							0	0	0	0	$ (21,200)	(21,200)
Treasury stock acquired (in shares)											268
Net income (loss)							0	0	36,473	0	$ 0	36,473
Foreign currency translation adjustment							0	0	0	9,802	0	9,802
Pension, net of tax							0	0	0	17,508	0	17,508
Change in fair value of derivatives, net of tax							0	0	0	4,209	0	4,209
Dividends declared							0	0	(11,640)	0	0	(11,640)
Balance at Jun. 30, 2021							41,976	80,788	852,489	(116,140)	$ (352,688)	506,425
Balance (in shares) at Jun. 30, 2021											15,940
Stock issued under incentive compensation plans and employee purchase plans							0	(756)	0	0	$ 2,171	1,415
Stock issued under incentive compensation plans and employee purchase plans (in shares)											(97)
Stock-based compensation							0	11,168	0	0	$ 0	11,168
Treasury stock acquired							0	0	0	0	$ (31,425)	(31,425)
Treasury stock acquired (in shares)											317
Net income (loss)							0	0	61,393	0	$ 0	61,393
Foreign currency translation adjustment							0	0	0	(46,435)	0	(46,435)
Pension, net of tax							0	0	0	(269)	0	(269)
Change in fair value of derivatives, net of tax							0	0	0	9,532	0	9,532
Dividends declared							0	0	(12,461)	0	0	(12,461)
Balance at Jun. 30, 2022							$ 41,976	$ 91,200	$ 901,421	$ (153,312)	$ (381,942)	$ 499,343
Balance (in shares) at Jun. 30, 2022											16,160