Condensed Statements of Consolidated Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Net Sales	$ 679,994	$ 618,006	$ 2,074,021	$ 1,805,260
Cost of Sales	492,631	446,786	1,496,013	1,300,862
Gross Profit	187,363	171,220	578,008	504,398
Selling, Distribution and Administrative, including depreciation	143,591	131,047	441,264	384,849
Operating Income	43,772	40,173	136,744	119,549
Interest (Income) Expense, net	2,121	(11)	5,738	(102)
Other (Income) Expense, net	(887)	(388)	(263)	(1,749)
Income Before Income Taxes	42,538	40,572	131,269	121,400
Income Tax Expense	13,928	10,178	43,830	38,253
Net Income	$ 28,610	$ 30,394	$ 87,439	$ 83,147
Net Income Per Share - Basic	$ 0.70	$ 0.73	$ 2.12	$ 1.98
Net Income Per Share - Diluted	$ 0.70	$ 0.72	$ 2.11	$ 1.96
Cash dividends per common share	$ 0.27	$ 0.25	$ 0.77	$ 0.71
Weighted average common shares outstanding for basic computation	40,800	41,880	41,168	42,039
Dilutive effect of potential common shares	267	362	309	399
Weighted average common shares outstanding for diluted computation	41,067	42,242	41,477	42,438