Annual report pursuant to Section 13 and 15(d)

Business Combinations and Acquisitions - Summary of Company's Acquisition Activity (Details)

v3.24.0.1
Business Combinations and Acquisitions - Summary of Company's Acquisition Activity (Details) - USD ($)
$ in Millions
Aug. 01, 2022
Dec. 01, 2021
Nov. 01, 2021
Sep. 01, 2021
Dec. 18, 2020
Dec. 01, 2020
Sep. 01, 2020
Critical Infrastructure              
Business Acquisition [Line Items]              
Cash consideration paid by GSAH $ 6.6            
CIRS              
Business Acquisition [Line Items]              
Equity interest, acquired percentage   100.00%          
Asset acquisition, acquired percentage   100.00%          
Equity interest, value   $ 55.1          
Safeline              
Business Acquisition [Line Items]              
Equity interest, acquired percentage   100.00%          
Equity interest, value   $ 1.5          
Business combination, consideration transferred   $ 0.5          
CHP              
Business Acquisition [Line Items]              
Asset acquisition, acquired percentage     100.00%        
Asset acquisition, assets acquired     $ 2.5        
Dosimetry Badge              
Business Acquisition [Line Items]              
Asset acquisition, acquired percentage       100.00%      
Asset acquisition, assets acquired       $ 1.8      
Business acquisition, earn out       $ 0.8      
Sun Nuclear              
Business Acquisition [Line Items]              
Equity interest, acquired percentage         100.00%    
Business acquisition, purchase consideration         $ 258.1    
Dosimetrics              
Business Acquisition [Line Items]              
Equity interest, acquired percentage           100.00%  
Business acquisition, purchase consideration           $ 3.0  
Biodex              
Business Acquisition [Line Items]              
Equity interest, acquired percentage             100.00%
Business acquisition, purchase consideration             $ 26.9