XML 65 R54.htm IDEA: XBRL DOCUMENT v3.6.0.2
Stock-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Feb. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares Paid for Tax Withholding for Share Based Compensation 28,701 32,903  
Tax withholding for share-based compensation $ 400 $ 400  
Proceeds from stock option plan transactions 2,787 5,752  
Excess tax benefits from stock-based compensation 183 190  
Employee contributions 297 301  
Total intrinsic value of all options exercised $ 800 1,600  
Forfeiture rate 10.00%    
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total unrecognized compensation cost nonvested awards $ 4,700    
Weighted average period, unrecognized compensation cost, nonvested awards 3 years 8 months 12 days    
Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total unrecognized compensation cost nonvested restricted stock units $ 5,000    
Weighted average period, unrecognized compensation cost, nonvested awards 1 year 8 months 12 days    
The 2016 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized     1,500,000
Number of shares available for future grants 780,482    
The 2016 Plan | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
Expiration period 7 years    
The Purchase Plan | The Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of continuous days of service 90 days    
Number of hours per week employed 20 hours    
Percent of market value 85.00%    
Offering period 3 months    
Employee contributions $ 297 $ 301  
Common shares issued to employees 30,351 30,564  
Shares available for future issuance 483,265    
Director | The 2016 Plan | Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 1 year    
Executives and Employees | The 2016 Plan | Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years