Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Net Sales	$ 303,411	$ 292,281	$ 563,398	$ 540,418
Cost of Sales	224,758	210,658	427,321	401,624
Gross Margin	78,653	81,623	136,077	138,794
Selling, General and Administrative Expenses	28,437	25,438	51,257	46,178
Operating Income	50,216	56,185	84,820	92,616
Interest Income and Other-Net	(47)	(86)	(39)	(124)
Income From Continuing Operations Before Income Taxes	50,169	56,099	84,781	92,492
Taxes Based on Income	17,215	18,966	29,066	31,307
Income From Continuing Operations	32,954	37,133	55,715	61,185
Income From Discontinued Operations, Net of Tax	0	2,101	0	2,850
Net Income	$ 32,954	$ 39,234	$ 55,715	$ 64,035
Income Per Common Share From Continuing Operations:
Basic (in dollars per share)	$ 1.21	$ 1.36	$ 2.04	$ 2.24
Diluted (in dollars per share)	$ 1.20	$ 1.36	$ 2.04	$ 2.24
Income Per Common Share From Discontinued Operations:
Basic and diluted (in dollars per share)	$ 0.00	$ 0.08	$ 0.00	$ 0.10
Net Income Per Common Share:
Basic (in dollars per share)	$ 1.21	$ 1.44	$ 2.04	$ 2.35
Diluted (in dollars per share)	$ 1.20	$ 1.44	$ 2.04	$ 2.34
Cash Dividends Per Common Share (in dollars per share)	$ 0.46	$ 0.44	$ 0.90	$ 0.84
Weighted Average Common Shares Outstanding:
Basic (in shares)	27,294	27,244	27,290	27,256
Diluted (in shares)	27,323	27,299	27,319	27,306