Selected Quarterly Financial Data (Schedule Of Quarterly Financial Information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Quarterly Financial Information Disclosure [Abstract]
Net Sales	$ 258,808		$ 241,849		$ 292,281		$ 248,137		$ 245,190		$ 247,098		$ 272,634		$ 248,881		$ 1,041,075		$ 1,013,803		$ 988,937
Gross Margin	57,866		51,908		81,623		57,171		57,707		53,833		72,046		61,121		248,568		244,707		223,428
Income From Continuing Operations	20,901		18,900		37,133		24,052		25,401		20,733		31,471		26,255		100,986		103,860		92,349
Income (Loss) from Discontinued Operations, Net of Tax	426		(29,276)		2,101		749		76		1,100		3,806		407		(26,000)		5,389		3,459
Net Income (Loss)	$ 21,327		$ (10,376)		$ 39,234		$ 24,801		$ 25,477		$ 21,833		$ 35,277		$ 26,662		$ 74,986		$ 109,249		$ 95,808
Diluted Income (Loss) Per Common Share:
Continuing Operations (in dollars per share)	$ 0.76	[1]	$ 0.69	[1]	$ 1.36	[1]	$ 0.88	[1]	$ 0.93	[1]	$ 0.76	[1]	$ 1.14	[1]	$ 0.96	[1]	$ 3.69	[1]	$ 3.79	[1]	$ 3.38
Discontinued Operations (in dollars per share)	$ 0.02	[1]	$ (1.07)	[1]	$ 0.08	[1]	$ 0.03	[1]	$ 0.00	[1]	$ 0.04	[1]	$ 0.14	[1]	$ 0.01	[1]	$ (0.95)	[1]	$ 0.20	[1]
Net Income (Loss) (in dollars per share)	$ 0.78	[1]	$ (0.38)	[1]	$ 1.44	[1]	$ 0.91	[1]	$ 0.93	[1]	$ 0.80	[1]	$ 1.28	[1]	$ 0.98	[1]	$ 2.74	[1]	$ 3.99	[1]	$ 3.51

[1] 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.