Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Condensed Consolidated Statements Of Income [Abstract]
Net Sales	$ 290,976	$ 274,516
Cost of Sales	225,259	219,086
Gross Margin	65,717	55,430
Selling, General and Administrative Expenses	25,145	22,918
Operating Income	40,572	32,512
Interest Income and Other-Net	14	(4)
Income Before Income Taxes	40,586	32,508
Taxes Based on Income	13,924	11,250
Net Income	$ 26,662	$ 21,258
Net Income Per Common Share:
Basic and Diluted	$ 0.98	$ 0.78
Cash Dividends Per Common Share	$ 0.36	$ 0.33
Weighted Average Common Shares Outstanding:
Basic	27,229	27,290
Diluted	27,264	27,314