Summary of Significant Accounting Policies - Revenue by Product Type (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 1,217.6	$ 1,124.5	$ 2,411.9	$ 2,233.0
A&C
Disaggregation of Revenue [Line Items]
Revenue	463.9	405.6	910.3	788.7
Core
Disaggregation of Revenue [Line Items]
Revenue	753.7	718.9	1,501.6	1,444.3
Core | Domains
Disaggregation of Revenue [Line Items]
Revenue	566.2	529.2	1,128.1	1,061.2
Core | Other
Disaggregation of Revenue [Line Items]
Revenue	$ 187.5	$ 189.7	$ 373.5	$ 383.1