v3.26.3
Fair Value - Financial Assets (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Assets, Fair Value Disclosure [Abstract]            
Investments $ 2.0     $ 2.0   $ 4.0
Impaired lease-related assets 112.6     112.6   113.3
Goodwill 1,042.2     1,042.2   1,692.7
Goodwill impairment 0.0 $ 650.5 $ 0.0 650.5 $ 0.0  
Corporate debt securities            
Assets, Fair Value Disclosure [Abstract]            
Investments           1.5
Securities guaranteed by U.S. government            
Assets, Fair Value Disclosure [Abstract]            
Investments 2.0     2.0   2.5
Level 1            
Assets, Fair Value Disclosure [Abstract]            
Total 0.0     0.0   0.0
Level 1 | Measured on a recurring basis            
Assets, Fair Value Disclosure [Abstract]            
Total 10.5     10.5   11.8
Level 1 | Measured on a recurring basis | Certificates of deposit            
Assets, Fair Value Disclosure [Abstract]            
Cash equivalents 7.1     7.1   10.6
Level 1 | Measured on a recurring basis | Money market mutual funds            
Assets, Fair Value Disclosure [Abstract]            
Cash equivalents 3.4     3.4   1.2
Level 1 | Measured on a recurring basis | Corporate debt securities            
Assets, Fair Value Disclosure [Abstract]            
Investments           0.0
Level 1 | Measured on a recurring basis | Securities guaranteed by U.S. government            
Assets, Fair Value Disclosure [Abstract]            
Investments 0.0     0.0   0.0
Level 1 | Measured on a recurring basis | Interest rate swap contracts            
Assets, Fair Value Disclosure [Abstract]            
Derivative assets 0.0     0.0   0.0
Level 1 | Measured on a non-recurring basis            
Assets, Fair Value Disclosure [Abstract]            
Impaired lease-related assets 0.0     0.0   0.0
Goodwill 0.0     0.0    
Level 2            
Assets, Fair Value Disclosure [Abstract]            
Total 0.0     0.0   0.0
Level 2 | Measured on a recurring basis            
Assets, Fair Value Disclosure [Abstract]            
Total 9.6     9.6   5.4
Level 2 | Measured on a recurring basis | Certificates of deposit            
Assets, Fair Value Disclosure [Abstract]            
Cash equivalents 0.0     0.0   0.0
Level 2 | Measured on a recurring basis | Money market mutual funds            
Assets, Fair Value Disclosure [Abstract]            
Cash equivalents 0.0     0.0   0.0
Level 2 | Measured on a recurring basis | Corporate debt securities            
Assets, Fair Value Disclosure [Abstract]            
Investments           1.5
Level 2 | Measured on a recurring basis | Securities guaranteed by U.S. government            
Assets, Fair Value Disclosure [Abstract]            
Investments 2.0     2.0   2.5
Level 2 | Measured on a recurring basis | Interest rate swap contracts            
Assets, Fair Value Disclosure [Abstract]            
Derivative assets 7.6     7.6   1.4
Level 2 | Measured on a non-recurring basis            
Assets, Fair Value Disclosure [Abstract]            
Impaired lease-related assets 0.0     0.0   0.0
Goodwill 0.0     0.0    
Level 3            
Assets, Fair Value Disclosure [Abstract]            
Total 1,045.1     1,045.1   4.0
Level 3 | Measured on a recurring basis            
Assets, Fair Value Disclosure [Abstract]            
Total 0.0     0.0   0.0
Level 3 | Measured on a recurring basis | Certificates of deposit            
Assets, Fair Value Disclosure [Abstract]            
Cash equivalents 0.0     0.0   0.0
Level 3 | Measured on a recurring basis | Money market mutual funds            
Assets, Fair Value Disclosure [Abstract]            
Cash equivalents 0.0     0.0   0.0
Level 3 | Measured on a recurring basis | Corporate debt securities            
Assets, Fair Value Disclosure [Abstract]            
Investments           0.0
Level 3 | Measured on a recurring basis | Securities guaranteed by U.S. government            
Assets, Fair Value Disclosure [Abstract]            
Investments 0.0     0.0   0.0
Level 3 | Measured on a recurring basis | Interest rate swap contracts            
Assets, Fair Value Disclosure [Abstract]            
Derivative assets 0.0     0.0   0.0
Level 3 | Measured on a non-recurring basis            
Assets, Fair Value Disclosure [Abstract]            
Impaired lease-related assets 2.9     2.9   $ 4.0
Goodwill $ 1,042.2     $ 1,042.2