Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net Sales	$ 316,654	$ 298,916
Cost of Sales	235,455	223,441
Gross Profit	81,199	75,475
Selling, General and Administrative Expenses	32,079	31,299
Operating Income	49,120	44,176
Other, Net	1,314	508
Income Before Income Taxes	50,434	44,684
Taxes Based on Income	11,406	15,298
Net Income	$ 39,028	$ 29,386
Net Income Per Common Share:
Basic and diluted (in dollars per share)	$ 1.42	$ 1.07
Cash Dividends Per Common Share (in dollars per share)	$ 0.60	$ 0.55
Weighted Average Common Shares Outstanding:
Basic (in shares)	27,424	27,396
Diluted (in shares)	27,514	27,451