v3.26.3
Segment Information - Reconciliation of Selling Expenses from Segments to Consolidated (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Selling expenses [1] $ 473.5 $ 450.7 $ 1,401.3 $ 1,330.0
Primary Reporting Segment [Member]        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Selling expenses [1] 445.5 [2] 415.7 [2] 1,314.7 1,222.8 [2]
China [Member]        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Selling expenses [1],[3] $ 28.0 $ 35.0 $ 86.6 $ 107.2
[1] The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM.
[2] For the Primary Reporting Segment, selling expenses consist of Member compensation, which was previously presented as Royalty Overrides, as described further in Note 2, Significant Accounting Policies.
[3] In China, selling expenses primarily consist of service fees to China independent service providers, which totaled $27.6 million and $34.6 million for the three months ended September 30, 2026 and 2025, respectively, and $85.0 million and $105.6 million for the nine months ended September 30, 2026 and 2025, respectively, as described further in Note 2, Significant Accounting Policies.