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Credit Facility and Other Long Term Debt - Credit Facility (Details)
12 Months Ended
Mar. 31, 2023
USD ($)
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]      
Outstanding under credit facility $ 680,919,000 $ 680,919,000 $ 680,919,000
LIBOR | Minimum      
Debt Instrument [Line Items]      
Variable rate (as percent) 1.00%    
LIBOR | Maximum      
Debt Instrument [Line Items]      
Variable rate (as percent) 1.75%    
Base Rate | Minimum      
Debt Instrument [Line Items]      
Variable rate (as percent) 0.00%    
Base Rate | Maximum      
Debt Instrument [Line Items]      
Variable rate (as percent) 0.75%    
Letter of Credit      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 50,000,000    
Letters of credit outstanding 4,400,000 4,500,000 4,300,000
Credit Agreement      
Debt Instrument [Line Items]      
Maximum borrowing capacity 300,000,000    
Credit Agreement | Revolving Credit Facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity 1,100,000,000    
Outstanding under credit facility $ 0 $ 0 $ 0
Covenant, consolidated EBITDA to consolidated interest expense ratio, greater than or equal 3.50    
Debt, leverage covenant, consolidated total indebtedness to consolidated EBITDA ratio less than or equal 3.25    
Commitment fee percentage 0.175%