Condensed Consolidated Statements Of Income - 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	$ 324,769	$ 303,411	$ 618,854	$ 563,398
Cost of Sales	241,175	224,758	467,293	427,321
Gross Margin	83,594	78,653	151,561	136,077
Selling, General and Administrative Expenses	31,479	28,437	57,558	51,257
Operating Income	52,115	50,216	94,003	84,820
Other, Net	(205)	(47)	(83)	(39)
Income Before Income Taxes	51,910	50,169	93,920	84,781
Taxes Based on Income	17,399	17,215	31,781	29,066
Net Income	$ 34,511	$ 32,954	$ 62,139	$ 55,715
Net Income Per Common Share:
Basic (in dollars per share)	$ 1.26	$ 1.21	$ 2.27	$ 2.04
Diluted (in dollars per share)	1.25	1.20	2.26	2.04
Cash Dividends Per Common Share (in dollars per share)	$ 5.50	$ 0.46	$ 5.96	$ 0.90
Weighted Average Common Shares Outstanding:
Basic (in shares)	27,328	27,294	27,324	27,290
Diluted (in shares)	27,374	27,323	27,359	27,319