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Leases - Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Operating Leases |  |
Operating lease right-of-use assets | $ 45.1 | $ 45.3
Current portion of operating lease liabilities | 13.6 | 13.9
Operating lease liabilities, net of current portion | 31.6 | 31.4
Total operating lease liabilities | $ 45.2 | $ 45.3
Weighted average remaining lease term |  |
Operating leases | 6 years 2 months 12 days | 5 years 6 months
Weighted average discount rate |  |
Operating leases | 3.50% | 2.60%

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