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Leases - Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Operating Leases:
Operating leases right-of-use assets	$ 52.7	$ 44.8
Current portion of operating lease liabilities	15.9	13.9
Operating lease liabilities, net of current portion	36.8	31.0
Total operating lease liabilities	$ 52.7	$ 44.9
Weighted average remaining lease term:
Operating leases	6 years 3 months 18 days	5 years 7 months 6 days
Weighted average discount rate:
Operating leases	4.10%	3.80%

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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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-SubTopic 20
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-Section 45
-Paragraph 1
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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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Amount of lessee's right to use underlying asset under operating lease.

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-SubTopic 20
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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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