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Debt (Tables)
 12 Months Ended
Dec. 31, 2022
Debt Disclosure [Abstract]  
Summary of issued senior unsecured notes
Long-term debt in connection with the Notes, net of underwriting discounts and offering expenses, consists of the following:
As of December 31,
(In millions)20222021
1.750% Senior Notes due September 2030
$1,241.0 $1,239.9 
2.800% Senior Notes due September 2050
740.4 740.1 
$1,981.4 $1,980.0