Annual report pursuant to Section 13 and 15(d)

Business Combinations and Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details)

v3.22.4
Business Combinations and Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Millions
1 Months Ended 2 Months Ended 4 Months Ended 6 Months Ended 10 Months Ended 12 Months Ended
Dec. 01, 2021
Oct. 20, 2021
Dec. 18, 2020
Sep. 01, 2020
Feb. 28, 2021
Dec. 31, 2021
Oct. 19, 2021
Jun. 30, 2021
Jun. 30, 2021
Dec. 31, 2022
Dec. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Business Acquisition [Line Items]                          
Goodwill   $ 0.0       $ 1,662.6 $ 677.4 $ 681.5 $ 681.5 $ 1,418.0 $ 1,662.6 $ 681.5 $ 522.6
GAAP purchase consideration, net of cash acquired           $ 58.6 $ 0.9     $ 6.6   $ 290.1 $ 55.7
Cash consideration paid by GSAH   $ 1,300.0                      
Interest Rate Swap Cap Agreement                          
Business Acquisition [Line Items]                          
Other long-term liabilities $ (9.0)                        
Customer relationships | Minimum                          
Business Acquisition [Line Items]                          
Original Average Life in Years   6 years 10 years 10 years           6 years 6 years 6 years  
Customer relationships | Maximum                          
Business Acquisition [Line Items]                          
Original Average Life in Years   13 years 11 years 11 years           13 years 13 years 17 years  
Developed technology | Minimum                          
Business Acquisition [Line Items]                          
Original Average Life in Years   5 years 7 years 7 years           5 years 5 years 3 years  
Developed technology | Maximum                          
Business Acquisition [Line Items]                          
Original Average Life in Years   16 years 10 years 10 years           16 years 16 years 16 years  
Trade names                          
Business Acquisition [Line Items]                          
Original Average Life in Years   10 years 7 years 7 years                  
Trade names | Minimum                          
Business Acquisition [Line Items]                          
Original Average Life in Years                   3 years 3 years 5 years  
Trade names | Maximum                          
Business Acquisition [Line Items]                          
Original Average Life in Years                   10 years 10 years 9 years  
Distributor relationships | Minimum                          
Business Acquisition [Line Items]                          
Original Average Life in Years   7 years               7 years 7 years    
Distributor relationships | Maximum                          
Business Acquisition [Line Items]                          
Original Average Life in Years   13 years               13 years 13 years    
Backlog and other | Minimum                          
Business Acquisition [Line Items]                          
Original Average Life in Years   1 year               1 year 1 year 1 year  
Backlog and other | Maximum                          
Business Acquisition [Line Items]                          
Original Average Life in Years   4 years               4 years 4 years 9 years  
Noncompete Agreements                          
Business Acquisition [Line Items]                          
Original Average Life in Years   1 year                      
Noncompete Agreements | Minimum                          
Business Acquisition [Line Items]                          
Original Average Life in Years     2 years 2 years                  
Noncompete Agreements | Maximum                          
Business Acquisition [Line Items]                          
Original Average Life in Years     3 years 3 years                  
Mirion                          
Business Acquisition [Line Items]                          
Goodwill   $ 1,642.9                      
Total amortizable intangible assets   821.0                      
Cash   101.9                      
Accounts receivable   114.3                      
Cost in excess of billings   63.3                      
Inventory   144.6                      
Property, Plant and Equipment   126.4                      
Other current and non-current assets   24.4                      
Right of use assets   43.3                      
Other non-current assets   10.8                      
Current liabilities   (148.2)                      
Current lease liability   (8.8)                      
Deferred contract revenue   (58.9)                      
Notes payable assumed   (3.0)                      
Other long-term liabilities   (241.4)                      
Minority interest   (0.3)                      
Net tangible assets acquired   168.4                      
Total consideration transferred   2,632.3                      
Less: cash acquired   (101.9)                      
GAAP purchase consideration, net of cash acquired   2,530.4                      
Mirion | Customer relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   338.8                      
Mirion | Developed technology                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   234.6                      
Mirion | Trade names                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   100.5                      
Mirion | Distributor relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   61.1                      
Mirion | Backlog and other                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   81.5                      
Mirion | Noncompete Agreements                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   4.5                      
Mirion | Medical                          
Business Acquisition [Line Items]                          
Goodwill   680.4                      
Total amortizable intangible assets   330.5                      
Cash   7.8                      
Accounts receivable   44.0                      
Cost in excess of billings   0.0                      
Inventory   25.1                      
Property, Plant and Equipment   52.6                      
Other current and non-current assets   5.8                      
Right of use assets   22.3                      
Other non-current assets   8.0                      
Current liabilities   (31.8)                      
Current lease liability   (4.1)                      
Deferred contract revenue   (34.7)                      
Notes payable assumed   (1.8)                      
Other long-term liabilities   (70.0)                      
Minority interest   0.0                      
Net tangible assets acquired   23.2                      
Mirion | Medical | Customer relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   152.7                      
Mirion | Medical | Developed technology                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   66.3                      
Mirion | Medical | Trade names                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   36.8                      
Mirion | Medical | Distributor relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   52.5                      
Mirion | Medical | Backlog and other                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   17.7                      
Mirion | Medical | Noncompete Agreements                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   4.5                      
Mirion | Industrial                          
Business Acquisition [Line Items]                          
Goodwill   962.5                      
Total amortizable intangible assets   490.5                      
Cash   39.5                      
Accounts receivable   70.3                      
Cost in excess of billings   63.3                      
Inventory   119.5                      
Property, Plant and Equipment   72.7                      
Other current and non-current assets   13.3                      
Right of use assets   20.1                      
Other non-current assets   2.8                      
Current liabilities   (82.7)                      
Current lease liability   (4.4)                      
Deferred contract revenue   (24.2)                      
Notes payable assumed   (1.2)                      
Other long-term liabilities   (147.6)                      
Minority interest   (0.2)                      
Net tangible assets acquired   141.2                      
Mirion | Industrial | Customer relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   186.1                      
Mirion | Industrial | Developed technology                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   168.3                      
Mirion | Industrial | Trade names                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   63.7                      
Mirion | Industrial | Distributor relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   8.6                      
Mirion | Industrial | Backlog and other                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   63.8                      
Mirion | Industrial | Noncompete Agreements                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   0.0                      
Mirion | Corporate                          
Business Acquisition [Line Items]                          
Goodwill   0.0                      
Total amortizable intangible assets   0.0                      
Cash   54.6                      
Accounts receivable   0.0                      
Cost in excess of billings   0.0                      
Inventory   0.0                      
Property, Plant and Equipment   1.1                      
Other current and non-current assets   5.3                      
Right of use assets   0.9                      
Other non-current assets   0.0                      
Current liabilities   (33.7)                      
Current lease liability   (0.3)                      
Deferred contract revenue   0.0                      
Notes payable assumed   0.0                      
Other long-term liabilities   (23.8)                      
Minority interest   (0.1)                      
Net tangible assets acquired   4.0                      
Mirion | Corporate | Customer relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   0.0                      
Mirion | Corporate | Developed technology                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   0.0                      
Mirion | Corporate | Trade names                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   0.0                      
Mirion | Corporate | Distributor relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   0.0                      
Mirion | Corporate | Backlog and other                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   0.0                      
Mirion | Corporate | Noncompete Agreements                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets   $ 0.0                      
CIRS | Customer relationships                          
Business Acquisition [Line Items]                          
Original Average Life in Years 7 years                        
CIRS | Developed technology                          
Business Acquisition [Line Items]                          
Original Average Life in Years 5 years                        
CIRS | Trade names                          
Business Acquisition [Line Items]                          
Original Average Life in Years 3 years                        
CIRS | Backlog and other                          
Business Acquisition [Line Items]                          
Original Average Life in Years 2 years                        
CIRS | Medical                          
Business Acquisition [Line Items]                          
Goodwill $ 34.0                        
Total amortizable intangible assets 21.8                        
Cash 1.0                        
Accounts receivable 1.6                        
Inventory 2.0                        
Property, Plant and Equipment 0.4                        
Current lease liability (0.5)                        
Net tangible assets acquired (1.7)                        
Total consideration transferred 55.1                        
Less: cash acquired (1.0)                        
GAAP purchase consideration, net of cash acquired 54.1                        
Acquiree revenue post acquisition through the period ended December 31, 2021 1.5                        
Acquiree income (loss) from operations post acquisition through the period ended December 31, 2021 (0.1)                        
Operating ROU assets 3.8                        
CIRS | Medical | Customer relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets 1.6                        
CIRS | Medical | Developed technology                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets 19.2                        
CIRS | Medical | Trade names                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets 0.4                        
CIRS | Medical | Backlog and other                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets $ 0.6                        
Biodex | Medical                          
Business Acquisition [Line Items]                          
Goodwill       $ 11.1                  
Total amortizable intangible assets       6.6                  
Cash       4.1                  
Accounts receivable       4.0                  
Inventory       6.4                  
Property, Plant and Equipment       1.0                  
Other current and non-current assets       0.6                  
Current liabilities       (2.6)                  
Deferred contract revenue       (0.2)                  
Other long-term liabilities       0.0                  
Net tangible assets acquired       13.3                  
Total consideration transferred                 31.0        
Less: cash acquired                 (4.1)        
GAAP purchase consideration, net of cash acquired                 26.9        
Acquiree revenue post acquisition through the period ended December 31, 2021                 32.6        
Acquiree income (loss) from operations post acquisition through the period ended December 31, 2021                 $ 0.7        
Biodex | Medical | Customer relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets       2.3                  
Biodex | Medical | Developed technology                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets       2.6                  
Biodex | Medical | Trade names                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets       1.4                  
Biodex | Medical | Noncompete Agreements                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets       $ 0.3                  
Sun Nuclear | Medical                          
Business Acquisition [Line Items]                          
Goodwill     $ 130.2                    
Total amortizable intangible assets     125.5                    
Cash     18.8                    
Accounts receivable     24.0                    
Inventory     13.9                    
Property, Plant and Equipment     5.9                    
Other current and non-current assets     8.0                    
Current liabilities     (9.3)                    
Deferred contract revenue     (6.5)                    
Other long-term liabilities     (33.6)                    
Net tangible assets acquired     21.2                    
Total consideration transferred               276.9          
Less: cash acquired               (18.8)          
GAAP purchase consideration, net of cash acquired               258.1          
Acquiree revenue post acquisition through the period ended December 31, 2021               48.9          
Acquiree income (loss) from operations post acquisition through the period ended December 31, 2021               $ (5.5)          
Cash consideration paid by GSAH         $ 261.9                
Business combination, deferred consideration         $ 15.0                
Sun Nuclear | Medical | Customer relationships                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets     59.5                    
Sun Nuclear | Medical | Developed technology                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets     46.5                    
Sun Nuclear | Medical | Trade names                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets     12.0                    
Sun Nuclear | Medical | Noncompete Agreements                          
Business Acquisition [Line Items]                          
Total amortizable intangible assets     $ 7.5