Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Income Statement [Abstract]
Net Sales	$ 1,041,075		$ 1,013,803		$ 988,937
Cost of Sales	792,507		769,096		765,509
Gross Margin	248,568		244,707		223,428
Selling, General and Administrative Expenses	94,801		90,784		82,246
Operating Income	153,767	[1],[2]	153,923	[1],[2]	141,182	[1],[2]
Interest Income and Other-Net	(488)		(105)		34
Income From Continuing Operations Before Income Taxes	153,279		153,818		141,216
Taxes Based on Income	52,293		49,958		48,867
Income From Continuing Operations	100,986		103,860		92,349
Discontinued Operations, Net of Tax:
Income from discontinued operations	3,058		5,389		3,459
Loss on sale of discontinued operations	(29,058)		0		0
Total discontinued operations	(26,000)		5,389		3,459
Net Income	$ 74,986		$ 109,249		$ 95,808
Income Per Common Share From Continuing Operations:
Basic (in dollars per share)	$ 3.70		$ 3.80		$ 3.38
Diluted (in dollars per share)	$ 3.69	[3]	$ 3.79	[3]	$ 3.38
(Loss) Income Per Common Share From Discontinued Operations:
Basic and diluted (in dollars per share)	$ (0.95)		$ 0.20		$ 0.13
Net Income Per Common Share:
Basic (in dollars per share)	$ 2.75		$ 4.00		$ 3.51
Diluted (in dollars per share)	$ 2.74	[3]	$ 3.99	[3]	$ 3.51
Weighted Average Common Shares Outstanding:
Basic (in shares)	27,264		27,252		27,233
Diluted (in shares)	27,308		27,285		27,265

[1] Financial information reflects continuing operations.

[2] Operating income represents net sales less operating expenses related to the business segment. All intercompany transactions have been eliminated.

[3] Diluted income (loss) per common share amounts are calculated independently for each of the quarters presented. Accordingly, the sum of the quarterly income (loss) per common share amounts may not agree with the fiscal year.