Summary Of Significant Accounting Policies (Details) - USD ($) shares in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Summary Of Significant Accounting Policies [Abstract]
Advertising expenditures	$ 6,900,000	$ 6,100,000	$ 5,600,000
Design, research and development costs	4,100,000	$ 2,800,000	$ 2,500,000
Health care claims threshold for third party insurance	150,000
Workers' compensation threshold for third party insurance	$ 450,000
Potential common shares outstanding	30	26	32
Outstanding options to purchase common stock	255	254	253