Condensed Statements of Consolidated Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Net Sales	$ 618,006	$ 621,654	$ 1,805,260	$ 1,821,690
Cost of Sales	446,786	447,254	1,300,862	1,319,838
Gross Profit	171,220	174,400	504,398	501,852
Selling, Distribution and Administrative, including depreciation	131,047	130,923	384,849	373,488
Operating Income	40,173	43,477	119,549	128,364
Interest Expense, net	(11)	107	(102)	147
Other (Income) Expense, net	(388)	(1,027)	(1,749)	(1,913)
Income Before Income Taxes	40,572	44,397	121,400	130,130
Income Tax Expense	10,178	15,095	38,253	44,253
Net Income	$ 30,394	$ 29,302	$ 83,147	$ 85,877
Net Income Per Share - Basic	$ 0.73	$ 0.70	$ 1.98	$ 2.04
Net Income Per Share - Diluted	$ 0.72	$ 0.69	$ 1.96	$ 2.02
Cash dividends per common share	$ 0.25	$ 0.23	$ 0.71	$ 0.65
Weighted average common shares outstanding for basic computation	41,880	42,098	42,039	42,038
Dilutive effect of potential common shares	362	472	399	479
Weighted average common shares outstanding for diluted computation	42,242	42,570	42,438	42,517