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Revenues (Narratives) (Details 1)
12 Months Ended
Jun. 30, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-07-01  
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Percentage of remaining performance obligations expected to recognize, period 1 year
Percentage of remaining performance obligations expected to recognize 65.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-07-01  
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Percentage of remaining performance obligations expected to recognize, period 1 year
Percentage of remaining performance obligations expected to recognize 19.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-07-01  
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Percentage of remaining performance obligations expected to recognize, period 0 years
Percentage of remaining performance obligations expected to recognize, description thereafter
Percentage of remaining performance obligations expected to recognize 16.00%