Stockholders' Equity (Schedule Of Total Stock-Based Compensation Costs Incurred And Associated Tax Benefit Recognized) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation costs	$ 38,157	$ 30,586	$ 30,809
Tax benefit	(11,960)	(8,421)	(9,474)
Stock-based compensation costs, net of tax	26,197	22,165	21,335
Cost of Sales [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation costs	2,484	1,749	1,496
Selling, general and Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation costs	30,552	25,201	26,163
Research and Development Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation costs	$ 5,121	$ 3,636	$ 3,150