Schedule II: Valuation And Qualifying Accounts (Additional Information) (Details) - Accounts Receivable Allowance [Member] - USD ($) $ in Thousands	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning balance adjustment	$ 250		$ 290	$ 1,200	$ 1,300
Restatement Adjustment [Member] | Accounting Standards Update 2014-09 [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning balance adjustment		$ (800)