Condensed Statements of Consolidated Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Net Sales	$ 610,346	$ 691,702	$ 1,252,250	$ 1,394,027
Cost of Sales	437,179	495,989	898,071	1,003,382
Gross Profit	173,167	195,713	354,179	390,645
Selling, Distribution and Administrative, including depreciation	134,805	148,906	274,791	297,673
Operating Income	38,362	46,807	79,388	92,972
Interest Expense, net	2,158	1,955	4,345	3,617
Other Expense, net	55	380	1,059	624
Income Before Income Taxes	36,149	44,472	73,984	88,731
Income Tax Expense	12,202	14,765	25,746	29,902
Net Income	$ 23,947	$ 29,707	$ 48,238	$ 58,829
Net Income Per Share - Basic	$ 0.61	$ 0.72	$ 1.22	$ 1.42
Net Income Per Share - Diluted	0.61	0.72	1.22	1.41
Cash dividends per common share	$ 0.27	$ 0.25	$ 0.54	$ 0.50
Weighted average common shares outstanding for basic computation	39,262	41,228	39,437	41,348
Dilutive effect of potential common shares	223	305	224	330
Weighted average common shares outstanding for diluted computation	39,485	41,533	39,661	41,678