XML 49 R37.htm IDEA: XBRL DOCUMENT v3.21.2
SHAREHOLDERS' EQUITY - Additional Information (Details) - USD ($)
shares in Millions
3 Months Ended 12 Months Ended
Oct. 01, 2021
Sep. 30, 2021
Sep. 30, 2020
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense (benefit)   $ 1,700,000 $ (1,200,000)  
Stock issuance costs   1,000,000    
Subsequent Event        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Proceeds from issuance of stock $ 5,000,000      
Sale of stock (in shares) 1.2      
Shelf Registration        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Sale of stock, authorized       $ 150,000,000
Prospectus Supplement        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Sale of stock, authorized       50,000,000
At-The-Market        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Sale of stock, authorized       $ 50,000,000
Proceeds from issuance of stock   33,200,000    
CEO        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense (benefit)   $ (2,400,000)