Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Jul. 01, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017	Nov. 30, 2010
Summary Of Accounting Policies [Line Items]
Amount capitalized for deferred software costs related to cloud computing arrangements		$ 1.7
Preferred stock, shares authorized (in shares)		3,050,000	3,050,000
Shares authorized for repurchase (in shares)					2,000,000
Shares remaining authorized for future purchase (in shares)		1,354,423
Maximum [Member]
Summary Of Accounting Policies [Line Items]
Research and development costs as a percentage of net sales		1.00%	1.00%	1.00%
Class A Participating Preferred Stock[Member]
Summary Of Accounting Policies [Line Items]
Preferred stock, shares authorized (in shares)		750,000
Preferred stock, par value (in dollars per share)		$ 1.00
Class B Voting Preferred Stock[Member]
Summary Of Accounting Policies [Line Items]
Preferred stock, shares authorized (in shares)		1,150,000
Preferred stock, par value (in dollars per share)		$ 0
Class C Nonvoting Preferred Stock [Member]
Summary Of Accounting Policies [Line Items]
Preferred stock, shares authorized (in shares)		1,150,000
Preferred stock, par value (in dollars per share)		$ 0
Buildings And Improvements [Member] | Minimum [Member]
Summary Of Accounting Policies [Line Items]
Estimated useful life (in years)		10 years
Buildings And Improvements [Member] | Maximum [Member]
Summary Of Accounting Policies [Line Items]
Estimated useful life (in years)		40 years
Machinery And Equipment [Member] | Minimum [Member]
Summary Of Accounting Policies [Line Items]
Estimated useful life (in years)		3 years
Machinery And Equipment [Member] | Maximum [Member]
Summary Of Accounting Policies [Line Items]
Estimated useful life (in years)		15 years
Technology-Related Equipment [Member] | Minimum [Member]
Summary Of Accounting Policies [Line Items]
Estimated useful life (in years)		3 years
Technology-Related Equipment [Member] | Maximum [Member]
Summary Of Accounting Policies [Line Items]
Estimated useful life (in years)		5 years
Accounting Standards Update 2016-02 [Member] | Scenario, Forecast [Member] | Minimum [Member]
Summary Of Accounting Policies [Line Items]
Expected impact of adopting new lease accounting guidance, lease liability and related right-of-use asset	$ 30.0
Accounting Standards Update 2016-02 [Member] | Scenario, Forecast [Member] | Maximum [Member]
Summary Of Accounting Policies [Line Items]
Expected impact of adopting new lease accounting guidance, lease liability and related right-of-use asset	$ 40.0