Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements Of Income [Abstract]
Net Sales	$ 274,516	$ 265,051
Cost of Sales	219,086	206,980
Gross Margin	55,430	58,071
Selling, General and Administrative Expenses	22,918	23,245
Operating Income	32,512	34,826
Interest Income and Other - Net	(4)	16
Income Before Income Taxes	32,508	34,842
Taxes Based on Income	11,250	12,075
Net Income	$ 21,258	$ 22,767
Net Income Per Common Share:
Basic and Diluted	$ 0.78	$ 0.81
Cash Dividends Per Common Share	$ 0.33	$ 0.3
Weighted Average Common Shares Outstanding:
Basic	27,290	28,014
Diluted	27,314	28,037