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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Total AOS Shareholders' Equity
Preferred Shares
Common Shares
Treasury Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Income (loss)
Retained Earnings
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Balance $ 443,289                
Balance (in shares) at Jun. 30, 2019     0            
Balance (in shares) at Jun. 30, 2019       31,163,000          
Balance (in shares) at Jun. 30, 2019         (6,646,000)        
Balance at Jun. 30, 2019   $ 291,024 $ 0 $ 62 $ (66,240) $ 234,410 $ (2,693) $ 125,485 $ 152,265
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Exercise of common stock options and release of RSUs (in shares)       562,000          
Exercise of common stock options and release of RSUs 25 25   $ 1   24      
Reissuance of Treasury Stock (in shares)         7,000        
Reissuance of Treasury Stock 0 0     $ 56     (56)  
Withholding tax on restricted stock units (in shares)       (181,000)          
Withholding tax on restricted stock units (1,509) (1,509)       (1,509)      
Issuance of common shares under Employee Stock Purchase Plan (in shares)       400,000          
Issuance of common shares under Employee Stock Purchase Plan 3,325 3,325   $ 1   3,324      
Share-based compensation expense 9,854 9,854       9,854      
Net income (loss) attributable to AOS (6,596) (6,596)           (6,596)  
Cumulative translation adjustment   (2,434)         (2,434)    
Net income (loss) attributable to noncontrolling interest (11,661)               (11,661)
Foreign currency translation adjustment                 (2,405)
Foreign currency translation adjustment (4,839)                
Net income (loss) (18,257)                
Balance (in shares) at Jun. 30, 2020     0            
Balance (in shares) at Jun. 30, 2020       31,944,000          
Balance (in shares) at Jun. 30, 2020         (6,639,000)        
Balance at Jun. 30, 2020   293,689 $ 0 $ 64 $ (66,184) 246,103 (5,127) 118,833 138,199
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Balance 431,888                
Exercise of common stock options and release of RSUs (in shares)       857,000          
Exercise of common stock options and release of RSUs 1,699 1,699   $ 1   1,698      
Reissuance of Treasury Stock (in shares)         14,000        
Reissuance of Treasury Stock 66 66     $ 120     (54)  
Withholding tax on restricted stock units (in shares)       (225,000)          
Withholding tax on restricted stock units (6,924) (6,924)       (6,924)      
Issuance of common shares under Employee Stock Purchase Plan (in shares)       399,000          
Issuance of common shares under Employee Stock Purchase Plan 3,327 3,327   $ 1   3,326      
Share-based compensation expense 12,190 12,190       12,190      
Net income (loss) attributable to AOS 58,116 58,116           58,116  
Cumulative translation adjustment   7,442         7,442    
Net income (loss) attributable to noncontrolling interest (1,827)               (1,827)
Restricted stock units settlement in connection with service 3,600 3,600       3,600      
Foreign currency translation adjustment                 6,748
Foreign currency translation adjustment 14,190                
Net income (loss) $ 56,289                
Balance (in shares) at Jun. 30, 2021 0   0            
Balance (in shares) at Jun. 30, 2021 32,975,000     32,975,000          
Balance (in shares) at Jun. 30, 2021 (6,625,000)       (6,625,000)        
Balance at Jun. 30, 2021 $ 373,205 373,205 $ 0 $ 66 $ (66,064) 259,993 2,315 176,895 143,120
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Balance 516,325                
Exercise of common stock options and release of RSUs (in shares)       652,000          
Exercise of common stock options and release of RSUs 898 898   $ 1   897      
Reissuance of Treasury Stock (in shares)         8,000        
Reissuance of Treasury Stock 0 0     $ 64     (64)  
Withholding tax on restricted stock units (in shares)       (183,000)          
Withholding tax on restricted stock units (8,641) (8,641)       (8,641)      
Issuance of common shares under Employee Stock Purchase Plan (in shares)       544,000          
Issuance of common shares under Employee Stock Purchase Plan 5,245 5,245   $ 1   5,244      
Share-based compensation expense 31,058 31,058       31,058      
Net income (loss) attributable to AOS 453,163 453,163           453,163  
Cumulative translation adjustment   558         558    
Net income (loss) attributable to noncontrolling interest 20               20
Restricted stock units settlement in connection with service 400 400       400      
Foreign currency translation adjustment                 749
Foreign currency translation adjustment 1,307                
Deconsolidation of noncontrolling interest (145,682) (1,793)         (1,793)   (143,889)
Net income (loss) $ 453,183                
Balance (in shares) at Jun. 30, 2022 0   0            
Balance (in shares) at Jun. 30, 2022 33,988,000     33,988,000          
Balance (in shares) at Jun. 30, 2022 (6,617,000)       (6,617,000)        
Balance at Jun. 30, 2022 $ 854,093 $ 854,093 $ 0 $ 68 $ (66,000) $ 288,951 $ 1,080 $ 629,994 $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Balance $ 854,093