XML 48 R37.htm IDEA: XBRL DOCUMENT v3.7.0.1
STOCK-BASED COMPENSATION (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 9 Months Ended
Feb. 28, 2017
Jun. 30, 2017
Jun. 30, 2016
Sep. 30, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Restricted stock granted (in shares) 17,000      
Shares issued, price per share (in USD per share) $ 34.24      
Restricted Stock Units (RSUs)        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Vesting period   3 years    
Unvested restricted stock outstanding (in shares)   194,537   159,988
Compensation expense   $ 1.7 $ 3.7  
Restricted Stock Units (RSUs) | Time Based Restricted Stock Unit        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Vesting period   3 years    
Actual amount of RSUs earned based on cumulative earnings   60.00%    
Restricted Stock Units (RSUs) | Performance Based Restricted Stock Unit        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Vesting period   3 years    
Target RSUs granted range   40.00%    
Restricted Stock        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Compensation expense   $ 0.6 $ 0.6  
Restricted Stock | Immediate Vesting        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based compensation vesting rights, percentage 50.00%      
Restricted Stock | Anniversary of Grant Date        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based compensation vesting rights, percentage 50.00%