Statements of Consolidated Shareholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Income Retained for Use in the Business	Treasury Shares-at Cost	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Jun. 30, 2011	$ 633,563	$ 10,000	$ 148,307	$ 668,421	$ (198,224)	$ 5,059
Beginning balance, shares at Jun. 30, 2011		42,602
Net income	108,779			108,779
Other comprehensive income (loss)	(9,628)					(9,628)
Cash dividends - $0.80, $0.88 and $0.96 per share for 2012, 2013 and 2014 respectively	(33,800)			(33,800)
Purchases of common stock for treasury	(31,032)				(31,032)
Purchases of common stock for treasury, shares		(997)
Treasury shares issued for:
Exercise of stock appreciation rights and options	(405)		(1,853)		1,448
Exercise of stock appreciation rights and options, shares		250
Performance share awards	(1,950)		(2,664)		714
Performance share awards, shares		91
Deferred compensation plans	284		128		156
Deferred compensation plans, shares		9
Compensation expense -- stock appreciation rights and options	2,058		2,058
Other share-based compensation expense	4,308		4,308
Other	(46)		(214)	(40)	208
Other, shares		12
Ending balance at Jun. 30, 2012	672,131	10,000	150,070	743,360	(226,730)	(4,569)
Ending balance, shares at Jun. 30, 2012		41,967
Net income	118,149			118,149
Other comprehensive income (loss)	1,148					1,148
Cash dividends - $0.80, $0.88 and $0.96 per share for 2012, 2013 and 2014 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 - $0.80, $0.88 and $0.96 per share for 2012, 2013 and 2014 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