v3.24.2
Changes in Accumulated Other Comprehensive Loss by Component - Summary of Changes in AOCI (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2024
Jun. 30, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]            
Balance at beginning of period $ 10,820.6 $ 10,543.5 $ 9,917.3 $ 9,686.8 $ 10,543.5 $ 9,686.8
Other comprehensive income before reclassifications         11.9  
Amounts reclassified from accumulated other comprehensive loss         (8.9)  
Net current period other comprehensive income (3.8) 6.8 2.6 2.8 3.0 5.4
Balance at end of period 11,006.3 10,820.6 $ 10,204.7 $ 9,917.3 11,006.3 $ 10,204.7
Total            
AOCI Attributable to Parent, Net of Tax [Roll Forward]            
Balance at beginning of period   (12.1)     (12.1)  
Balance at end of period (9.1)       (9.1)  
Cash Flow Hedges            
AOCI Attributable to Parent, Net of Tax [Roll Forward]            
Balance at beginning of period   (11.6)     (11.6)  
Other comprehensive income before reclassifications         6.4  
Amounts reclassified from accumulated other comprehensive loss         (8.9)  
Net current period other comprehensive income         (2.5)  
Balance at end of period (14.1)       (14.1)  
Defined Benefit Pension Items            
AOCI Attributable to Parent, Net of Tax [Roll Forward]            
Balance at beginning of period   8.9     8.9  
Other comprehensive income before reclassifications         0.0  
Amounts reclassified from accumulated other comprehensive loss         0.0  
Net current period other comprehensive income         0.0  
Balance at end of period 8.9       8.9  
Foreign Currency Translation            
AOCI Attributable to Parent, Net of Tax [Roll Forward]            
Balance at beginning of period   $ (9.4)     (9.4)  
Other comprehensive income before reclassifications         5.5  
Amounts reclassified from accumulated other comprehensive loss         0.0  
Net current period other comprehensive income         5.5  
Balance at end of period $ (3.9)       $ (3.9)