Condensed Statements of Consolidated Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
Net Sales	$ 581,949	$ 589,517	$ 1,187,254	$ 1,200,036
Cost of Sales	418,566	426,598	854,076	872,584
Gross Profit	163,383	162,919	333,178	327,452
Selling, Distribution and Administrative, including depreciation	123,546	122,350	253,802	242,565
Operating Income	39,837	40,569	79,376	84,887
Interest (Income) Expense, net	(152)	15	(91)	40
Other Income, net	(270)	(427)	(1,361)	(886)
Income Before Income Taxes	40,259	40,981	80,828	85,733
Income Tax Expense	14,350	13,938	28,075	29,158
Net Income	$ 25,909	$ 27,043	$ 52,753	$ 56,575
Net Income Per Share - Basic	$ 0.62	$ 0.64	$ 1.25	$ 1.35
Net Income Per Share - Diluted	$ 0.61	$ 0.64	$ 1.24	$ 1.33
Cash dividends per common share	$ 0.23	$ 0.21	$ 0.46	$ 0.42
Weighted average common shares outstanding for basic computation	42,076	42,052	42,116	42,009
Dilutive effect of potential common shares	386	442	431	477
Weighted average common shares outstanding for diluted computation	42,462	42,494	42,547	42,486