Other Noncurrent Liabilities - Components of Other Noncurrent Liabilities (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Other Liabilities Noncurrent [Abstract]
Accrued postretirement benefits	$ 8.8	$ 8.7
Employee benefits	5.8	6.2
Other	11.9	11.8
Total	$ 26.5	$ 26.7

Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the noncurrent portion of the liabilities (due after one year).

No definition available.

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- Definition

Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

+ References

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-Name Accounting Standards Codification
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- References

No definition available.

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- Definition

Amount of liability, recognized in statement of financial position, for defined benefit other postretirement plan, classified as noncurrent. Excludes pension plan.

+ References

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- Definition

Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are expected to be paid after one year (or the normal operating cycle, if longer), from the balance sheet date.

+ References

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