Revenue from Contracts with Customers (Summary of Total Balances of Contract Balances) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jul. 01, 2019	Jun. 30, 2019
Revenue From Contract With Customer [Abstract]
Unbilled receivables	$ 4,784	$ 5,394	$ 5,394
Deferred revenue	(6,246)	(6,649)
Net Unbilled receivables / (Deferred revenue)	(1,462)	$ (1,255)
Unbilled receivables, Increase / (Decrease)	(610)
Deferred revenue, Increase / (Decrease)	403
Net Increase / (Decrease), Unbilled receivables / (Deferred revenue)	$ (207)