Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 31, 2018	Jul. 01, 2018
Scenario, Forecast [Member] | Accounting Standards Update 2016-16 [Member]
Summary Of Significant Accounting Policies [Line Items]
Cumulative effect adjustment to retained earnings and reduction prepaid taxes		$ 60.0
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Contract term under revenue recognition	1 year
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Contract term under revenue recognition	3 years