Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.23.3
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 01, 2023
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Loss Contingencies [Line Items]            
Insurance Claim, Errors and omissions       $ 100.0    
Insurance, Deductible       5.0    
Estimated loss contingencies   $ 0.2   0.2   $ 23.1
Loss contingencies       5.9   26.1
Loss recovery   22.6   22.6   20.6
Rsg Recognized In Errors And Omissions Expense   $ 0.8 $ 1.2 5.5 $ 2.9  
Maximum [Member]            
Loss Contingencies [Line Items]            
Insurance, Deductible $ 5.0          
Minimum [Member]            
Loss Contingencies [Line Items]            
Insurance, Deductible $ 2.5     $ 2.5    
General and Administrative Expense [Member]            
Loss Contingencies [Line Items]            
Loss contingencies           $ 2.5