Debt and Financing Arrangements - Summary of Contractual Obligations for Long-term Debt (Detail) $ in Millions	Dec. 31, 2024 USD ($)
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Total	$ 753.9
2025	83.6
2026	73.3
2027	71.5
2028	66.5
2029	59.9
2030 & Beyond	399.1
Long Term Debt Comprising Principal And Interest [Member]
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Total	1,099.3
2025	37.0
2026	69.7
2027	85.7
2028	38.4
2029	70.7
2030 & Beyond	797.8
Long-Term Debt [Member] \| Long Term Debt Comprising Principal And Interest [Member]
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Total	647.3
2025	4.9
2026	37.9
2027	55.7
2028	10.8
2029	43.8
2030 & Beyond	494.2
Interest on Long-Term Debt [Member] \| Long Term Debt Comprising Principal And Interest [Member]
Contractual Obligation Fiscal Year Maturity Schedule [Line Items]
Total	452.0
2025	32.1
2026	31.8
2027	30.0
2028	27.6
2029	26.9
2030 & Beyond	$ 303.6

Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

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- Definition

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+ References

No definition available.

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- Definition

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+ References

No definition available.

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- Definition

Amount of contractual obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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- Definition

Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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- Definition

Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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- Definition

Amount of contractual obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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- Definition

Contractual Obligation Fiscal Year Maturity Schedule Line Items

+ References

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