XML 59 R43.htm IDEA: XBRL DOCUMENT v3.10.0.1
SHAREHOLDERS' EQUITY: Stock-Based Employee Compensation, Additional Information (Details)
$ in Millions
3 Months Ended
Sep. 30, 2018
USD ($)
day
shares
Sep. 30, 2017
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation | $ $ 2.3 $ 2.0
Restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 3 years  
Stock granted (in shares) 337,422  
Restricted stock units | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 3 years  
Restricted stock units | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 5 years  
Restricted stock units | Tranche 1    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting percentage 33.33%  
Restricted stock units | Tranche 2    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting percentage 33.33%  
Restricted stock units | Tranche 3    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting percentage 33.33%  
Performance-based restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 3 years  
Additional service period 2 years  
Threshold trading days | day 50  
Stock granted (in shares) 730,182  
Performance-based restricted stock units | Tranche 1    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock granted (in shares) 49,084  
Performance-based restricted stock units | Tranche 1 | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting percentage 200.00%  
Performance-based restricted stock units | Tranche 2 | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting percentage 100.00%