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Debt - Narrative (Details)
$ in Millions
3 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Apr. 14, 2023
USD ($)
Debt Instrument [Line Items]      
Interest costs $ 13.2 $ 12.9  
Interest costs, capitalized $ 0.5 $ 0.3  
Letter of Credit      
Debt Instrument [Line Items]      
Commitment fee rate 0.30%    
Letter of credit fees 2.00%    
Letter of Credit | London Interbank Offered Rate      
Debt Instrument [Line Items]      
Interest rate margin 2.00%    
Letter of Credit | Base Rate      
Debt Instrument [Line Items]      
Interest rate margin 1.00%    
Maximum | Letter of Credit      
Debt Instrument [Line Items]      
Commitment fee rate 0.375%    
Letter of credit fees 2.50%    
Maximum | Letter of Credit | London Interbank Offered Rate      
Debt Instrument [Line Items]      
Interest rate margin 2.50%    
Maximum | Letter of Credit | Base Rate      
Debt Instrument [Line Items]      
Interest rate margin 1.50%    
Minimum | Letter of Credit      
Debt Instrument [Line Items]      
Commitment fee rate 0.25%    
Letter of credit fees 1.75%    
Minimum | Letter of Credit | London Interbank Offered Rate      
Debt Instrument [Line Items]      
Interest rate margin 1.75%    
Minimum | Letter of Credit | Base Rate      
Debt Instrument [Line Items]      
Interest rate margin 0.75%    
Line of Credit      
Debt Instrument [Line Items]      
Credit Agreement available for future borrowings $ 348.3    
Short-term credit agreement borrowings $ 0.0    
Borrowing rate 7.32%    
Revolving Credit Facility | Line of Credit      
Debt Instrument [Line Items]      
Current borrowing capacity     $ 350.0
Required interest coverage ratio one     3.00
Required consolidated net leverage ratio     4.00
Revolving Credit Facility | Line of Credit | Maximum      
Debt Instrument [Line Items]      
Credit Agreement available for future borrowings     $ 300.0
Revolving Credit Facility | Line of Credit | Minimum      
Debt Instrument [Line Items]      
Credit Agreement available for future borrowings     $ 40.0
Letter of Credit | Line of Credit      
Debt Instrument [Line Items]      
Letters of credit issued $ 1.7