XML 50 R38.htm IDEA: XBRL DOCUMENT v3.19.2
Share-Based Compensation (Narrative) (Details) - USD ($)
3 Months Ended 12 Months Ended
Apr. 01, 2019
Jun. 30, 2019
Jun. 30, 2018
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized compensation cost   $ 65,200,000      
Unrecognized compensation expense, period for recognition   3 years 1 month 2 days      
Employees of Affiliated Entities | Share-based Compensation, Expense Allocated to Company          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expenses incurred under services agreements   $ 100,000 $ 200,000    
Myovant 2016 Equity Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common shares reserved for grant (in shares)   3,200,000     4,500,000
Common shares reserved for grant, annual percentage increase         4.00%
Increase in common shares reserved for grant (in shares) 2,900,000        
Principal Executive Officer | Restricted stock units | RSL | RSL RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expenses incurred under services agreements   $ 0 $ 0    
Awards granted (in shares)       66,845  
Unrecognized compensation expense   $ 900,000