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Long-Term Debt - Additional Information (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2024
May 04, 2024
May 04, 2020
Nov. 21, 2019
Sep. 30, 2024
Dec. 31, 2023
Debt Instrument [Line Items]            
Letters of Credit Outstanding, Amount $ 37.7       $ 37.7 $ 40.0
Secured Overnight Financing Rate (SOFR) [Member]            
Debt Instrument [Line Items]            
Interest Rate Spread added to Rate         0.10%  
2019 Credit Agreement [Member]            
Debt Instrument [Line Items]            
Original borrowing capacity       $ 250.0    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage       0.10%    
Letter of Credit Fee in Percentage       1.00%    
2023 Credit Agreement [Member]            
Debt Instrument [Line Items]            
Original borrowing capacity 250.0       $ 250.0  
Line of Credit Facility Accordion 150.0       150.0  
Line of Credit Facility, Maximum Borrowing Capacity 400.0       $ 400.0  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage         0.09%  
Letter of Credit Fee in Percentage         1.00%  
Letter of Credit [Member]            
Debt Instrument [Line Items]            
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases 100.0       $ 100.0  
Maximum [Member]            
Debt Instrument [Line Items]            
Interest Rate Spread added to Rate         0.375%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage         0.175%  
Maximum [Member] | Secured Overnight Financing Rate (SOFR) [Member]            
Debt Instrument [Line Items]            
Interest Rate Spread added to Rate         1.375%  
Minimum [Member]            
Debt Instrument [Line Items]            
Interest Rate Spread added to Rate         0.00%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage         0.09%  
Minimum [Member] | Secured Overnight Financing Rate (SOFR) [Member]            
Debt Instrument [Line Items]            
Interest Rate Spread added to Rate         1.00%  
Series B [Member]            
Debt Instrument [Line Items]            
Scheduled principal payment   $ 20.0        
Remaining principal amount $ 60.0          
Maturity date   May 04, 2027        
Notes interest   3.10%        
Maturity Date Description   The Series B Notes bear interest at 3.10% per annum and mature on May 4, 2027, unless prepaid.        
P G I M I N C [Member] | Maximum [Member]            
Debt Instrument [Line Items]            
Aggregate amount on promissory notes issued     $ 350.0      
P G I M I N C [Member] | Series B Notes [Member]            
Debt Instrument [Line Items]            
Proceeds from issuance of senior promissory notes     $ 100.0