XML 68 R59.htm IDEA: XBRL DOCUMENT v3.22.2
CONTINGENCIES AND COMMITMENTS (Detail) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2021
Standby Letters Of Credit [Member]      
Loss Contingencies [Line Items]      
Letters of credit, outstanding   $ 17.2 $ 21.1
FinancialStandbyLetterOfCreditMember      
Loss Contingencies [Line Items]      
Letters of credit, outstanding   2.4 $ 4.5
Surety Bond [Member]      
Loss Contingencies [Line Items]      
Surety Bond Outstanding   35.2  
AP1000      
Loss Contingencies [Line Items]      
Litigation Settlement, Amount Awarded to Other Party   $ 15.0  
AP1000 | Forecast [Member]      
Loss Contingencies [Line Items]      
Litigation Settlement, Amount Awarded to Other Party $ 10.0