Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Net Sales	$ 294,085	$ 259,987
Cost of Sales	226,118	202,563
Gross Margin	67,967	57,424
Selling, General and Administrative Expenses	26,079	22,820
Operating Income	41,888	34,604
Interest Income and Other-Net	122	8
Income Before Income Taxes	42,010	34,612
Taxes Based on Income	14,382	11,851
Net Income	$ 27,628	$ 22,761
Net Income Per Common Share:
Basic and diluted (in dollars per share)	$ 1.01	$ 0.83
Cash Dividends Per Common Share (in dollars per share)	$ 0.46	$ 0.44
Weighted Average Common Shares Outstanding:
Basic (in shares)	27,319	27,286
Diluted (in shares)	27,344	27,316