Income Taxes (Narrative) (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
|
| Income Tax Disclosure [Abstract] | |||||
| Effective income tax rates | 22.40% | 23.10% | 22.70% | 23.60% | |
| Deferred tax asset valuation allowance | $ 29.4 | $ 29.4 | $ 29.4 | ||
| Liabilities for income taxes associated with uncertain tax positions | 35.0 | 35.0 | 34.4 | ||
| Offsetting tax benefits related to uncertain tax positions | $ 3.4 | $ 3.4 | $ 3.7 | ||
| Minimum tax rate in jurisdictions which it operates percentage subject to international anti-base erosion rules | 15.00% | ||||