Long-term Debt - Principal Payments Due on Long-term Debt (Details) $ in Millions	Jun. 30, 2023 USD ($)
Face Amount
Long-term Debt by Maturity
July 1 through December 31, 2023	$ 10.7
2024	40.4
2025	382.7
2026	29.2
2027	43.2
2028	831.7
Thereafter	1,429.8
Total	2,767.7
Net Amount
Long-term Debt by Maturity
July 1 through December 31, 2023	10.7
2024	40.4
2025	380.8
2026	29.2
2027	43.2
2028	815.1
Thereafter	1,401.0
Total	$ 2,720.4