Long-Term Debt - Aggregate Maturities of Long-Term Debt (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Disclosure Longterm Debt Aggregate Maturities Of Long Term Debt [Abstract]
2023	$ 1.8
2024	122.1
2025	427.3
2026	0.8
2027	0.8
2028 and thereafter	9.1
Subtotal	561.9
Less amounts representing original issue discount and debt issuance costs	2.4
Total debt	$ 559.5	$ 653.0

Amount of unamortized debt discount (premium) and debt issuance costs.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

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- Definition

Amount of long-term debt and lease obligation, including portion classified as current.

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Principal amount of long-term debt and capital lease obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Principal amount of long-term debt and capital lease obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Disclosure longterm debt aggregate maturities of long term debt.

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Gross amount of long-term debt and capital lease obligation, including interest on capital leases and discount on other debt obligations.

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