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Long-term Debt Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Mar. 31, 2021
Sep. 30, 2016
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]          
Amortization of financing costs and discounts     $ 1.0 $ 2.0 $ 2.0
Long-term Debt, Gross     $ 350.0 $ 350.0  
Debt, weighted average interest rate     3.60% 3.60%  
Write off of deferred debt issuance cost $ 2.0     $ 2.0  
Payments of debt issuance costs     $ 4.0    
Redemption Premium 9.0     9.0  
Amended Credit Facility          
Debt Instrument [Line Items]          
Amortization of financing costs and discounts     4.0    
Senior unsecured notes, maturing 2024          
Debt Instrument [Line Items]          
Fair value of debt     306.0 358.0  
Amount of loan issuance     350.0    
Debt Instrument, Redemption Price, Percentage   102.438%      
Senior unsecured notes, maturing 2029 | Senior Notes          
Debt Instrument [Line Items]          
Amount of loan issuance $ 350.0        
Long-term Debt, Gross     $ 350.0 $ 350.0  
Debt, interest rate, stated percentage 3.625%   3.625%    
Debt Instrument, Redemption Price, Percentage 100.00%        
Debt Instrument, Repurchase Price, Percentage 101.00%        
Debt Instrument, Debt Default, Principal Amount Due, Percentage 25.00%        
Amended Credit Facility | Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity     $ 550.0    
Debt Instrument, Covenant Terms, Capitalization Percentage     57.50%    
Letter of Credit Facility | Letter of Credit | Line of Credit          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity     $ 20.0    
Minimum | Amended Credit Facility | Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, commitment fee percentage     0.20%    
Minimum | Letter of Credit Facility | Letter of Credit | Line of Credit          
Debt Instrument [Line Items]          
Debt Instrument, Fee, Percentage     0.50%    
Maximum | Amended Credit Facility | Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, commitment fee percentage     0.425%    
Maximum | Letter of Credit Facility | Letter of Credit | Line of Credit          
Debt Instrument [Line Items]          
Debt Instrument, Fee, Percentage     1.875%    
Base Rate | Minimum | Amended Credit Facility | Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate     0.50%    
Base Rate | Maximum | Amended Credit Facility | Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate     1.50%    
London Interbank Offered Rate (LIBOR) | Minimum | Amended Credit Facility | Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate     1.50%    
London Interbank Offered Rate (LIBOR) | Maximum | Amended Credit Facility | Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate     2.50%    
Federal Funds Rate | Amended Credit Facility | Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate     0.50%    
One-Month LIBOR | Amended Credit Facility | Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate     1.00%