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Fair Value of Financial Instruments - Schedule of Financial Instruments Measured on Not Measured at Fair Value (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Mar. 06, 2023
Dec. 31, 2022
HMN      
Liabilities      
Ownership percentage sold 19.00% 19.00%  
Nonrecurring | Carrying Value      
Assets      
Measurement alternative investment $ 0.9   $ 11.3
Total assets not accounted for at fair value 0.9   11.3
Liabilities      
Debt obligations 707.4   712.3
Total liabilities not accounted for at fair value 707.4   712.3
Nonrecurring | Estimated Fair Value      
Assets      
Measurement alternative investment 0.9   11.3
Total assets not accounted for at fair value 0.9   11.3
Liabilities      
Debt obligations 621.8   643.0
Total liabilities not accounted for at fair value 621.8   643.0
Nonrecurring | Estimated Fair Value | Level 1      
Assets      
Measurement alternative investment 0.0   0.0
Total assets not accounted for at fair value 0.0   0.0
Liabilities      
Debt obligations 283.2   237.6
Total liabilities not accounted for at fair value 283.2   237.6
Nonrecurring | Estimated Fair Value | Level 2      
Assets      
Measurement alternative investment 0.9   0.0
Total assets not accounted for at fair value 0.9   0.0
Liabilities      
Debt obligations 338.6   405.4
Total liabilities not accounted for at fair value 338.6   405.4
Nonrecurring | Estimated Fair Value | Level 3      
Assets      
Measurement alternative investment 0.0   11.3
Total assets not accounted for at fair value 0.0   11.3
Liabilities      
Debt obligations 0.0   0.0
Total liabilities not accounted for at fair value $ 0.0   $ 0.0