CONDENSED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Total Shareholders' Equity	Total Shareholders' Equity Stock Options and Stock Appreciation Rights	Total Shareholders' Equity Performance Shares	Total Shareholders' Equity Restricted Stock Units	Common Stock	Common Stock Stock Options and Stock Appreciation Rights	Common Stock Performance Shares	Common Stock Restricted Stock Units	Additional Paid-In Capital	Additional Paid-In Capital Stock Options and Stock Appreciation Rights	Additional Paid-In Capital Performance Shares	Additional Paid-In Capital Restricted Stock Units	Retained Earnings	Treasury Shares- at Cost	Treasury Shares- at Cost Stock Options and Stock Appreciation Rights	Treasury Shares- at Cost Performance Shares	Treasury Shares- at Cost Restricted Stock Units	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Jun. 30, 2024						38,409
Beginning balance at Jun. 30, 2024		$ 1,688,781				$ 10,000				$ 193,778				$ 2,121,838	$ (559,269)				$ (77,566)
Net income	$ 92,063	92,063												92,063
Other comprehensive loss	(8,942)	(8,942)																	(8,942)
Cash dividends		(9)												(9)
Purchases of common stock for treasury (in Shares)						(52)
Purchases of common stock for treasury		(10,479)													(10,479)
Treasury shares issued for:
Exercise of stock appreciation rights (in shares)							19
Additional Paid in Capital, Exercise of stock appreciation rights, Performance share awards, Restricted stock units											$ (1,106)	$ (2,213)	$ (2,123)
Exercise of stock appreciation rights																$ (1,339)
Treasury shares issued for total shareholders' equity			$ (2,445)	$ (5,507)	$ (4,259)
Performance share awards (in shares)								34
Performance share awards																	$ (3,294)
Restricted stock units (in shares)									37
Restricted stock units																		$ (2,136)
Compensation expense		1,675	1,326							1,675	1,326
Other (in shares)						(1)
Other		(127)								(12)				(24)	(91)
Ending balance (in shares) at Sep. 30, 2024						38,446
Ending balance at Sep. 30, 2024		1,752,077				$ 10,000				191,325				2,213,868	(576,608)				(86,508)
Beginning balance (in shares) at Jun. 30, 2025						37,868
Beginning balance at Jun. 30, 2025	1,844,520	1,844,520				$ 10,000				198,970				2,447,931	(720,695)				(91,686)
Net income	100,807	100,807												100,807
Other comprehensive loss	(1,889)	(1,889)																	(1,889)
Purchases of common stock for treasury (in Shares)						(204)
Purchases of common stock for treasury		(53,566)													(53,566)
Treasury shares issued for:
Exercise of stock appreciation rights (in shares)							15
Additional Paid in Capital, Exercise of stock appreciation rights, Performance share awards, Restricted stock units											(1,098)	$ (1,942)	$ (1,013)
Exercise of stock appreciation rights																$ (1,270)
Treasury shares issued for total shareholders' equity			(2,368)	$ (4,847)	$ (2,145)
Performance share awards (in shares)								25
Performance share awards																	$ (2,905)
Restricted stock units (in shares)									14
Restricted stock units																		$ (1,132)
Compensation expense		1,831	$ 1,494							1,831	$ 1,494
Other		(82)								(1)				53	(134)
Ending balance (in shares) at Sep. 30, 2025						37,718
Ending balance at Sep. 30, 2025	$ 1,883,755	$ 1,883,755				$ 10,000				$ 198,241				$ 2,548,791	$ (779,702)				$ (93,575)