XML 64 R53.htm IDEA: XBRL DOCUMENT v3.19.1
Shareholders' Equity and Share-based Compensation - Employee Share Purchase Plan (Details) - Employee Stock [Member]
9 Months Ended
Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Volatility rate 40.10%
Expected term 1 year 3 months 18 days
Dividend yield 0.00%
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rate 2.50%
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rate 2.90%