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Leases - Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Operating Leases |  |
Operating lease right-of-use assets | $ 45.3 | $ 35.4
Current portion of operating lease liabilities | 13.9 | 12.4
Operating lease liabilities, net of current portion | 31.4 | 23.1
Total operating lease liabilities | 45.3 | 35.5
Finance leases |  |
Property, plant and equipment at cost | 512.5 | 485.4
Accumulated depreciation | (291.6) | (271.0)
Property, plant and equipment, Net | 220.9 | 214.4
Current portion of finance leases | 0.0 | 0.1
Total finance lease liabilities | $ 0.0 | $ 0.1
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Current portion of finance leases | Current portion of finance leases
Weighted average remaining lease term |  |
Operating leases | 5 years 6 months | 4 years 10 months 24 days
Finance leases |  | 6 months
Weighted average discount rate |  |
Operating leases | 2.60% | 2.50%
Finance leases | 0.00% | 2.50%
Financial Leases [Member] |  |
Finance leases |  |
Property, plant and equipment at cost | $ 0.0 | $ 5.0
Accumulated depreciation | 0.0 | (4.5)
Property, plant and equipment, Net | $ 0.0 | $ 0.5

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