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DEBT - REVOLVING CREDIT FACILITY (Details)
1 Months Ended
Mar. 31, 2021
USD ($)
Dec. 31, 2016
USD ($)
Sep. 30, 2016
USD ($)
Dec. 31, 2024
USD ($)
Jun. 30, 2020
USD ($)
Apr. 30, 2020
USD ($)
Senior Unsecured Series A Notes            
Debt            
Debt Instrument, Interest Rate, Stated Percentage   3.37%        
Debt issued   $ 75,000,000        
Debt instrument term   11 years        
Revolving Credit Facility            
Debt            
Maximum borrowing capacity under revolving credit facility $ 650,000,000          
Ratio of debt instrument covenant threshold leverage 3.5          
Ratio of debt instrument covenant threshold leverage connection with material acquisition 4          
Funds available under the revolving credit facility       $ 643,900,000    
Standby commercial letters of credit            
Debt            
Used portion of revolving credit facility       6,100,000    
Amendment to 2021 Private Placement Term Loan            
Debt            
Ratio of debt instrument covenant threshold leverage 3.5          
Ratio of debt instrument covenant threshold leverage connection with material acquisition 4          
Fees paid $ 800,000          
Debt Instrument, Threshold Leverage Ratio To Trigger Interest Enhancement Payments 3.25          
The Senior Unsecured Notes (The "Series D Notes")            
Debt            
Debt Instrument, Interest Rate, Stated Percentage     3.14%      
Debt issued     $ 200,000,000      
Debt instrument term     15 years      
LIBOR | Revolving Credit Facility | Minimum            
Debt            
Variable rate margin 1.00%          
LIBOR | Revolving Credit Facility | Maximum            
Debt            
Variable rate margin 1.75%          
Base rate | Revolving Credit Facility | Minimum            
Debt            
Variable rate margin 0.00%          
Base rate | Revolving Credit Facility | Maximum            
Debt            
Variable rate margin 0.75%          
MatNav | Title XI Notes            
Debt            
Debt Instrument, Interest Rate, Stated Percentage         1.35% 1.22%
Minimum working capital covenant       $ 1    
Debt instrument covenant ratio, maintenance of net worth       90.00%    
Debt issued         $ 139,600,000 $ 185,900,000
MatNav | Minimum | Title XI Notes            
Debt            
Debt instrument covenant, long-term debt to net worth       2