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v3.25.3

Treasury Stock and Share-Based Awards - Summary of Restricted Stock Award Activity (Parenthetical) (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Restricted Stock [Member] |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation expense |  | $ 12.6 | $ 13.3
Restricted Stock [Member] | Field Incentive Compensation Plan 2025 Member |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation expense |  | 0.9 |
Restricted Stock [Member] | Field Incentive Compensation Plan 2024 Member |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation expense |  |  | 0.6
Performance Shares (Member) |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation expense | [1] | 12.5 | 10.8
Employee Benefits and Share-Based Compensation |  | $ 2.4 | 2.8
Cinemark Holdings Inc [Member] |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Weighted average period remaining compensation expense |  | 1 year 3 months 18 days |
Cinemark Holdings Inc [Member] | Restricted Stock [Member] |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation expense |  | $ 1.0 | $ 1.0
[1] | Compensation expense for the nine months ended September 30, 2025 includes approximately $2.4 related to a change in the most likely performance metrics outcome estimated to be achieved for the 2024 grants. Compensation expense for the nine months ended September 30, 2024 includes approximately $2.8 related to a change in the most likely performance metrics outcome estimated to be achieved for the 2023 and 2024 grants.

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