Statements of Consolidated Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Stock Options and Stock Appreciation Rights [ Member]	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Stock Options and Stock Appreciation Rights [ Member]	Additional Paid-in Capital Performance Shares [Member]	Additional Paid-in Capital Restricted Stock Units (RSUs) [Member]	Retained Earnings	Treasury Shares-at Cost	Treasury Shares-at Cost Stock Options and Stock Appreciation Rights [ Member]	Treasury Shares-at Cost Performance Shares [Member]	Treasury Shares-at Cost Restricted Stock Units (RSUs) [Member]	Accumulated Other Comprehensive Income (Loss)	Parent [Member]	Parent [Member] Stock Options and Stock Appreciation Rights [ Member]	Parent [Member] Performance Shares [Member]	Parent [Member] Restricted Stock Units (RSUs) [Member]
Beginning balance, shares at Jun. 30, 2019			38,597
Beginning balance at Jun. 30, 2019			$ 10,000	$ 172,931				$ 1,229,148	$ (415,159)				$ (99,886)	$ 897,034
Net income	$ 24,042													24,042
Other comprehensive income (loss)	$ (29,544)												(29,544)	(29,544)
Cumulative effect of adopting accounting standards								(3,275)						(3,275)
Cash dividends per share	$ 1.26
Cash dividends - $1.26, $1.30, and $1.34 per share for 2020, 2021, and 2022 respectively								(49,305)						(49,305)
Purchases of common stock for treasury														(40,089)
Stock Issued During Period, Value, Stock Options Exercised										$ 71
Treasury shares issued for:
Exercise of stock appreciation rights and options, shares			43
Performance share awards, shares			36
Additional Paid in Capital, Exercise of stock appreciation rights and options, Performance share awards, Restricted stock units					$ (730)	$ (1,540)	$ (671)
Exercise of stock appreciation rights and options and Performance share awards											$ 362
Restricted stock units, shares			17
Restricted stock units												$ 213
Total Shareholders' Equity, Exercise of stock appreciation rights and options, Performance share awards, Restricted stock units															$ (659)	$ (1,178)	$ (458)
Compensation expense				4,000	2,954									4,000	2,954
Other, shares			17
Other				(452)				(40)	423					(69)
Ending balance, shares at Jun. 30, 2020			38,710
Ending balance at Jun. 30, 2020			$ 10,000	176,492				1,200,570	(414,090)				(129,430)	843,542
Net income	$ 144,757													144,757
Other comprehensive income (loss)	$ 36,338												36,338	36,338
Cash dividends per share	$ 1.30
Cash dividends - $1.26, $1.30, and $1.34 per share for 2020, 2021, and 2022 respectively								(50,992)						(50,992)
Purchases of common stock for treasury, shares			(400)
Purchases of common stock for treasury									(40,089)
Stock Issued During Period, Value, Stock Options Exercised										(2,009)
Treasury shares issued for:
Exercise of stock appreciation rights and options, shares			152
Performance share awards, shares			22
Additional Paid in Capital, Exercise of stock appreciation rights and options, Performance share awards, Restricted stock units					(6,379)	(985)	(740)
Exercise of stock appreciation rights and options and Performance share awards											(20)
Restricted stock units, shares			19
Restricted stock units												95
Total Shareholders' Equity, Exercise of stock appreciation rights and options, Performance share awards, Restricted stock units															(8,388)	(1,005)	(645)
Compensation expense				6,454	2,526									6,454	2,526
Other, shares			13
Other				(354)				78	324					48
Ending balance, shares at Jun. 30, 2021	38,516		38,516
Ending balance at Jun. 30, 2021	$ 932,546		$ 10,000	177,014				1,294,413	(455,789)				(93,092)	932,546
Net income	257,414													257,414
Other comprehensive income (loss)	$ 20,797												20,797	20,797
Cash dividends per share	$ 1.34
Cash dividends - $1.26, $1.30, and $1.34 per share for 2020, 2021, and 2022 respectively								(52,175)						(52,175)
Purchases of common stock for treasury, shares			(149)
Purchases of common stock for treasury									(13,784)					(13,784)
Stock Issued During Period, Value, Stock Options Exercised										$ (2,132)
Treasury shares issued for:
Exercise of stock appreciation rights and options, shares		290	104
Performance share awards, shares			5
Additional Paid in Capital, Exercise of stock appreciation rights and options, Performance share awards, Restricted stock units					(3,945)	$ (222)	$ (598)
Exercise of stock appreciation rights and options and Performance share awards											$ (73)
Restricted stock units, shares			12
Restricted stock units												$ (138)
Total Shareholders' Equity, Exercise of stock appreciation rights and options, Performance share awards, Restricted stock units															(6,077)	$ (295)	$ (736)
Compensation expense				8,558	$ 3,284									8,558	$ 3,284
Other, shares			11
Other				(269)				24	68					(177)
Ending balance, shares at Jun. 30, 2022	38,499		38,499
Ending balance at Jun. 30, 2022	$ 1,149,355		$ 10,000	$ 183,822				$ 1,499,676	$ (471,848)				$ (72,295)	$ 1,149,355