Stockholders' Equity (Schedule Of Total Stock-Based Compensation Costs Incurred And Associated Tax Benefit Recognized) (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation costs		$ 46,408	$ 47,855	$ 43,457
Tax benefit	[1]	(25,020)	(14,100)	(11,744)
Stock-based compensation costs, net of tax		21,388	33,755	31,713
Cost of Sales - Capitalized As Part Of Inventory [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation costs		2,731	2,605	2,621
Selling, general and Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation costs		36,994	38,755	34,667
Research and Development Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation costs		6,683	$ 6,495	$ 6,169
ASU 2016-09 [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Tax benefit		$ (11,200)

[1] Includes an additional tax benefit of $11.2 million for the year ended June 30, 2016, associated with the early adoption of ASU 2016-09, "Improvements to Employee Share-Based Payment Accounting", discussed in Note 3 - New Accounting Pronouncements.