Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Narrative (Details)

v3.24.0.1
Goodwill and Intangible Assets - Narrative (Details)
$ in Millions
 2 Months Ended 3 Months Ended 4 Months Ended 12 Months Ended
Oct. 01, 2023
d
Oct. 01, 2022
reporting_unit
Sep. 30, 2022
reporting_unit
Dec. 31, 2021
USD ($)
Jun. 30, 2022
USD ($)
customer
Oct. 19, 2021
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
reporting_unit
Jun. 30, 2021
USD ($)
Goodwill [Line Items]                  
Number of reporting units 5 5 6         6  
Reporting unit, percentage of terminal future cash flows growth rate   3.50%              
Reporting unit, percentage of fair value in excess of carrying amount 20.00% 10.00%              
Goodwill       $ 1,662.6     $ 1,447.6 $ 1,418.0  
Goodwill impairment       $ 0.0 $ 55.2 $ 0.0 $ 0.0 $ 211.8 $ 0.0
Number of reporting units pre-reorganization with excess fair value | reporting_unit               4  
Number of reporting units pre-reorganization with less fair value | reporting_unit               2  
Technologies                  
Goodwill [Line Items]                  
Goodwill impairment               $ 69.3  
Medical                  
Goodwill [Line Items]                  
Goodwill impairment               $ 87.3  
Maximum                  
Goodwill [Line Items]                  
Reporting unit, percentage of discount rate 14.00% 13.00%              
Minimum                  
Goodwill [Line Items]                  
Reporting unit, percentage of discount rate 12.00% 11.00%              
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01                  
Goodwill [Line Items]                  
Revenue from remaining performance obligation (as a percent)             46.00%    
Revenue, remaining performance obligation, expected timing of satisfaction, period             1 year    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01                  
Goodwill [Line Items]                  
Revenue from remaining performance obligation (as a percent)             18.00%    
Revenue, remaining performance obligation, expected timing of satisfaction, period             1 year    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01                  
Goodwill [Line Items]                  
Revenue from remaining performance obligation (as a percent)             11.00%    
Revenue, remaining performance obligation, expected timing of satisfaction, period             1 year    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01                  
Goodwill [Line Items]                  
Revenue from remaining performance obligation (as a percent)             8.00%    
Revenue, remaining performance obligation, expected timing of satisfaction, period             1 year    
Radiation Monitoring Systems                  
Goodwill [Line Items]                  
Reporting unit, percentage of terminal future cash flows growth rate 3.50%       3.50%        
Goodwill         $ 257.2        
Number of customer termination of contract | customer         1        
Revenue, remaining performance obligation, amount         $ 67.0        
Radiation Monitoring Systems | Maximum                  
Goodwill [Line Items]                  
Reporting unit, percentage of discount rate         10.50%        
Radiation Monitoring Systems | Minimum                  
Goodwill [Line Items]                  
Reporting unit, percentage of discount rate         9.00%        
Radiation Monitoring Systems | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01                  
Goodwill [Line Items]                  
Revenue from remaining performance obligation (as a percent)         80.00%        
Revenue, remaining performance obligation, expected timing of satisfaction, period         5 years