Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Narrative (Details)

v3.22.2.2
Goodwill and Intangible Assets - Narrative (Details)
 3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
May 31, 2022
USD ($)
customer
Dec. 31, 2021
USD ($)
Oct. 31, 2021
USD ($)
Goodwill [Line Items]              
Goodwill $ 1,551,000,000   $ 1,551,000,000     $ 1,662,600,000  
Number of customer termination of contract | customer         1    
Goodwill impairment $ 0 $ 0 $ 55,200,000 $ 0      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01              
Goodwill [Line Items]              
Revenue from remaining performance obligation (as a percent) 26.00%   26.00%        
Revenue, remaining performance obligation, expected timing of satisfaction, period 3 months   3 months        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01              
Goodwill [Line Items]              
Revenue from remaining performance obligation (as a percent) 39.00%   39.00%        
Revenue, remaining performance obligation, expected timing of satisfaction, period 1 year   1 year        
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) 17.00%   17.00%        
Revenue, remaining performance obligation, expected timing of satisfaction, period 1 year   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) 7.00%   7.00%        
Revenue, remaining performance obligation, expected timing of satisfaction, period 1 year   1 year        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01              
Goodwill [Line Items]              
Revenue, remaining performance obligation, amount         $ 67,000,000    
Revenue from remaining performance obligation (as a percent)         80.00%    
Revenue, remaining performance obligation, expected timing of satisfaction, period         5 years    
Radiation Monitoring Systems              
Goodwill [Line Items]              
Goodwill $ 165,100,000   $ 165,100,000       $ 257,200,000
Reporting unit, percentage of terminal future cash flows growth rate         3.50%    
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%