Statements of Consolidated Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Shares-at Cost	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Jun. 30, 2012	$ 672,131	$ 10,000	$ 150,070	$ 743,360	$ (226,730)	$ (4,569)
Beginning balance, shares at Jun. 30, 2012		41,967
Net income	118,149			118,149
Other comprehensive income (loss)	1,148					1,148
Cash dividends - $0.88, $0.96 and $1.04 per share for 2013, 2014 and 2015 respectively	(37,194)			(37,194)
Purchases of common stock for treasury	(53)				(53)
Purchases of common stock for treasury, shares		(1)
Treasury shares issued for:
Exercise of stock appreciation rights and options	911		(175)		1,086
Exercise of stock appreciation rights and options, shares		129
Performance share awards	(1,601)		(1,675)		74
Performance share awards, shares		53
Deferred compensation plans	241		131		110
Deferred compensation plans, shares		5
Compensation expense -- stock appreciation rights and options	2,317		2,317
Other share-based compensation expense	3,444		3,444
Other	122		(219)	47	294
Other, shares		16
Ending balance at Jun. 30, 2013	759,615	$ 10,000	153,893	824,362	(225,219)	(3,421)
Ending balance, shares at Jun. 30, 2013		42,169
Net income	112,821			112,821
Other comprehensive income (loss)	1,806					1,806
Cash dividends - $0.88, $0.96 and $1.04 per share for 2013, 2014 and 2015 respectively	(40,410)			(40,410)
Purchases of common stock for treasury	(36,732)				(36,732)
Purchases of common stock for treasury, shares		(760)
Treasury shares issued for:
Exercise of stock appreciation rights and options	1,173		849		324
Exercise of stock appreciation rights and options, shares		76
Performance share awards	(1,083)		(1,062)		(21)
Performance share awards, shares		36
Restricted stock units	(1,357)		(1,110)		(247)
Restricted stock units, shares		31
Deferred compensation plans	161		98		63
Deferred compensation plans, shares		3
Compensation expense -- stock appreciation rights and options	1,808		1,808
Other share-based compensation expense	2,703		2,703
Other	(197)		(180)	3	(20)
Other, shares		8
Ending balance at Jun. 30, 2014	800,308	$ 10,000	156,999	896,776	(261,852)	(1,615)
Ending balance, shares at Jun. 30, 2014		41,563
Net income	115,484			115,484
Other comprehensive income (loss)	(58,556)					(58,556)
Cash dividends - $0.88, $0.96 and $1.04 per share for 2013, 2014 and 2015 respectively	(42,663)			(42,663)
Purchases of common stock for treasury	(76,515)				(76,515)
Purchases of common stock for treasury, shares		(1,740)
Treasury shares issued for:
Exercise of stock appreciation rights and options	967		552		415
Exercise of stock appreciation rights and options, shares		34
Performance share awards	(373)		(425)		52
Performance share awards, shares		12
Restricted stock units	(1,236)		(1,312)		76
Restricted stock units, shares		36
Deferred compensation plans	45		24		21
Deferred compensation plans, shares		1
Compensation expense -- stock appreciation rights and options	1,610		1,610
Other share-based compensation expense	2,851		2,851
Other	(594)		(227)	(49)	(318)
Other, shares		(1)
Ending balance at Jun. 30, 2015	$ 741,328	$ 10,000	$ 160,072	$ 969,548	$ (338,121)	$ (60,171)
Ending balance, shares at Jun. 30, 2015		39,905