Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders??? Equity (Deficit)

v3.24.0.1
Consolidated Statements of Stockholders’ Equity (Deficit) - USD ($)
$ in Millions
Total
Private Placement
Cumulative Effect, Period of Adoption, Adjustment
Class A Common Stock
Ordinary Shares
A Ordinary Shares
Ordinary Shares
B Ordinary Shares
Common Stock
Class A Common Stock
Common Stock
Class A Common Stock
Private Placement
Common Stock
Class B Common Stock
Treasury Stock
Additional Paid-In Capital
Additional Paid-In Capital
Private Placement
Receivable from Employees for purchase of Common Stock
Accumulated Deficit
Accumulated Deficit
Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive Income (Loss)
Noncontrolling Interests
Beginning balance (in shares) at Jun. 30, 2020         1,483,795 5,353,970                      
Beginning balance at Jun. 30, 2020 $ (716.5)         $ 0.1         $ 9.5   $ (2.7) $ (729.7)   $ 4.1 $ 2.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Issuance of shares of common stock to Mirion Sellers and recognition of noncontrolling interests in Mirion Business Combination 0.0                                
Receivable from Employees 0.3                       0.3        
Net loss (158.4)                         (158.3)     (0.1)
Other comprehensive income 35.1                             35.1  
Ending balance (in shares) at Jun. 30, 2021         1,483,795 5,353,970                      
Ending balance at Jun. 30, 2021 (839.5)         $ 0.1         9.5   (2.4) (888.0)   39.2 2.1
Ending balance (Accounting Standards Update 2016-02) at Jun. 30, 2021     $ (2.9)                       $ (2.9)    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss attributable to Mirion Technologies, Inc. (Successor) / Mirion Technologies (TopCo), Ltd. (Predecessor) shareholders (158.3)                                
Issuance of shares of common stock to Mirion Sellers and recognition of noncontrolling interests in Mirion Business Combination 0.0                                
Stock-based compensation expense 9.3                   9.3            
Receivable from Employees 1.6                       1.6        
Net loss (105.7)                         (105.7)      
Other comprehensive income (6.9)                             (6.9)  
Ending balance (in shares) at Oct. 19, 2021         1,483,795 5,353,970                      
Ending balance at Oct. 19, 2021 (944.1)         $ 0.1         18.8   (0.8) (996.6)   32.3 2.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss attributable to Mirion Technologies, Inc. (Successor) / Mirion Technologies (TopCo), Ltd. (Predecessor) shareholders (105.7)                                
Reclassification of temporary equity shares previously subject to redemption (in shares)       14,628,610                          
Ending balance (in shares) at Oct. 20, 2021             0   18,750,000                
Ending balance at Oct. 20, 2021 (109.4)           $ 0.0   $ 0.0   0.0     (109.4)   0.0 0.0
Treasury stock, common, ending balance (in shares) at Oct. 20, 2021                   0              
Treasury stock, common, ending balance at Oct. 20, 2021                   $ 0.0              
Beginning balance (in shares) at Oct. 19, 2021         1,483,795 5,353,970                      
Beginning balance at Oct. 19, 2021 (944.1)         $ 0.1         18.8   $ (0.8) (996.6)   32.3 2.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Issuance of shares of common stock to Mirion Sellers and recognition of noncontrolling interests in Mirion Business Combination 420.7                                
Net loss (23.0)                                
Other comprehensive income (20.7)                                
Ending balance (in shares) at Dec. 31, 2021             199,523,292   8,560,540                
Ending balance at Dec. 31, 2021 1,784.0           $ 0.0   $ 0.0   1,845.5     (131.6)   (20.7) 90.8
Treasury stock, common, ending balance (in shares) at Dec. 31, 2021                   0              
Treasury stock, common, ending balance at Dec. 31, 2021                   $ 0.0              
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss attributable to Mirion Technologies, Inc. (Successor) / Mirion Technologies (TopCo), Ltd. (Predecessor) shareholders (22.2)                                
Beginning balance (in shares) at Oct. 20, 2021             0   18,750,000                
Beginning balance at Oct. 20, 2021 (109.4)           $ 0.0   $ 0.0   0.0     (109.4)   0.0 0.0
Treasury stock, common, beginning balance (in shares) at Oct. 20, 2021                   0              
Treasury stock, common, beginning balance at Oct. 20, 2021                   $ 0.0              
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Conversion of shares of class B shares of common stock to class A (in shares)             18,750,000   (18,750,000)                
Reclassification of temporary equity shares previously subject to redemption (in shares)             60,371,390                    
Reclassification of temporary equity shares previously subject to redemption 603.7                   603.7            
Issuance of Class A Common Shares to PIPE Investors, net of offering costs (in shares)               90,000,000                  
Issuance of shares of Class A common stock to PIPE Investors, net of offering costs   $ 886.7                   $ 886.7          
Issuance of Common Shares to Mirion Sellers and recognition of noncontrolling interests in Mirion Business Combination (in shares)             30,401,902   8,560,540                
Issuance of shares of common stock to Mirion Sellers and recognition of noncontrolling interests in Mirion Business Combination 420.7                   329.1           91.6
Equity contribution from Mirion Sellers 18.7                   18.7            
Forgiveness of working capital note from Sponsor 2.0                   2.0            
Stock-based compensation expense 5.3                   5.3            
Net loss (23.0)                         (22.2)     (0.8)
Other comprehensive income (20.7)                             (20.7)  
Ending balance (in shares) at Dec. 31, 2021             199,523,292   8,560,540                
Ending balance at Dec. 31, 2021 1,784.0           $ 0.0   $ 0.0   1,845.5     (131.6)   (20.7) 90.8
Treasury stock, common, ending balance (in shares) at Dec. 31, 2021                   0              
Treasury stock, common, ending balance at Dec. 31, 2021                   $ 0.0              
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Warrant redemptions (in shares)             100                    
Conversion of shares of class B shares of common stock to class A (in shares)             (520,000)   520,000                
Conversion of shares of class B common stock to class A common stock 0.0                   5.1           (5.1)
Issuance of shares of common stock to Mirion Sellers and recognition of noncontrolling interests in Mirion Business Combination 0.0                                
Stock issued for vested restricted stock units (in shares)             220,396                    
Stock compensation to directors in lieu of cash compensation (in shares)             35,046                    
Stock compensation to directors in lieu of cash compensation 0.4                   0.4            
Purchase accounting adjustments to fair value of noncontrolling interests (1.9)                               (1.9)
Stock-based compensation expense 31.4                   31.4            
Net loss (288.4)                         (276.9)     (11.5)
Other comprehensive income (58.3)                             (55.0) (3.3)
Ending balance (in shares) at Dec. 31, 2022             200,298,834   8,040,540                
Ending balance at Dec. 31, 2022 $ 1,467.2           $ 0.0   $ 0.0   1,882.4     (408.5)   (75.7) 69.0
Treasury stock, common, ending balance (in shares) at Dec. 31, 2022 0                 0              
Treasury stock, common, ending balance at Dec. 31, 2022 $ 0.0                 $ 0.0              
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss attributable to Mirion Technologies, Inc. (Successor) / Mirion Technologies (TopCo), Ltd. (Predecessor) shareholders (276.9)                                
Warrant redemptions (in shares)             100                    
Conversion of shares of class B shares of common stock to class A (in shares)             (253,207)   253,207                
Conversion of shares of class B common stock to class A common stock 0.0                   2.1           (2.1)
Issuance of Class A Common Shares to PIPE Investors, net of offering costs (in shares)             17,142,857                    
Issuance of shares of Class A common stock to PIPE Investors, net of offering costs   $ 149.8                   $ 149.8          
Issuance of shares of common stock to Mirion Sellers and recognition of noncontrolling interests in Mirion Business Combination 0.0                                
Stock issued for vested restricted stock units (in shares)             588,274                    
Shares repurchased to satisfy tax withholdings for vesting restricted stock units (in shares)             (149,076)     (149,076)              
Shares repurchased to satisfy tax withholdings for vesting restricted stock units (1.3)                 $ (1.3)              
Stock compensation to directors in lieu of cash compensation (in shares)             43,636                    
Stock compensation to directors in lieu of cash compensation 0.4                   0.4            
Stock-based compensation expense 21.8                   21.8            
Net loss (98.7)                         (96.9)     (1.8)
Other comprehensive income 10.8                             10.4 0.4
Ending balance (in shares) at Dec. 31, 2023             218,177,832   7,787,333                
Ending balance at Dec. 31, 2023 $ 1,550.0           $ 0.0   $ 0.0   $ 2,056.5     $ (505.4)   $ (65.3) $ 65.5
Treasury stock, common, ending balance (in shares) at Dec. 31, 2023 149,076                 149,076              
Treasury stock, common, ending balance at Dec. 31, 2023 $ 1.3                 $ (1.3)              
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss attributable to Mirion Technologies, Inc. (Successor) / Mirion Technologies (TopCo), Ltd. (Predecessor) shareholders $ (96.9)