XML 96 R72.htm IDEA: XBRL DOCUMENT v3.24.0.1
Fair Value Measurements - Schedule of Fair Value of the Impairment of Long-Lived Assets Held-for-sale (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total $ 14.2 $ 50.0
Total Gains (Losses) (2.2) (94.8)
Liabilities associated with assets held for sale (0.1) (81.0)
Discontinued Operations, Held-for-sale    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities associated with assets held for sale (0.1) (81.0)
Discontinued Operations, Held-for-sale | Grace Disposal Group    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets held-for-sale, net 126.8  
Liabilities associated with assets held for sale (81.0)  
Assets held for sale, selling costs 4.2  
Discontinued Operations, Held-for-sale | CRE Improved Property    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets held-for-sale, net 14.0  
Liabilities associated with assets held for sale (0.1)  
Assets held for sale, selling costs 0.3  
Assets held for sale, net    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total 14.2 50.0
Total Gains (Losses) $ (2.2) (89.8)
Long-lived assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total   0.0
Total Gains (Losses)   $ (5.0)
Long-lived assets | Discounted cash flow analysis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Weighted average discount rate (percent)   16.00%