v3.26.1
Fair Value - Financial Assets (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Assets, Fair Value Disclosure [Abstract]          
Investments $ 3.0   $ 3.0   $ 4.0
Impaired lease-related assets 112.6   112.6   113.3
Goodwill 1,042.2   1,042.2   1,692.7
Goodwill impairment 650.5 $ 0.0 650.5 $ 0.0  
Corporate debt securities          
Assets, Fair Value Disclosure [Abstract]          
Investments 0.5   0.5   1.5
Securities guaranteed by U.S. government          
Assets, Fair Value Disclosure [Abstract]          
Investments 2.5   2.5   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 9.2   9.2   11.8
Level 1 | Measured on a recurring basis | Certificates of deposit          
Assets, Fair Value Disclosure [Abstract]          
Cash equivalents 6.9   6.9   10.6
Level 1 | Measured on a recurring basis | Money market mutual funds          
Assets, Fair Value Disclosure [Abstract]          
Cash equivalents 2.3   2.3   1.2
Level 1 | Measured on a recurring basis | Corporate debt securities          
Assets, Fair Value Disclosure [Abstract]          
Investments 0.0   0.0   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 7.7   7.7   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 0.5   0.5   1.5
Level 2 | Measured on a recurring basis | Securities guaranteed by U.S. government          
Assets, Fair Value Disclosure [Abstract]          
Investments 2.5   2.5   2.5
Level 2 | Measured on a recurring basis | Interest rate swap contracts          
Assets, Fair Value Disclosure [Abstract]          
Derivative assets 4.7   4.7   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   0.0   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