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Long-term Debt - Principal Payments Due on Long-term Debt (Details)
$ in Millions
Jun. 30, 2024
USD ($)
Face Amount  
Long-term Debt by Maturity  
July 1 through December 31, 2024 $ 12.7
2025 387.4
2026 36.0
2027 43.2
2028 831.7
2029 40.5
Thereafter 1,404.8
Total 2,756.3
Net Amount  
Long-term Debt by Maturity  
July 1 through December 31, 2024 12.7
2025 386.3
2026 36.0
2027 43.2
2028 818.4
2029 40.5
Thereafter 1,379.5
Total $ 2,716.6