Supplemental Information - Other Long-Term Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Other long-term liabilities
Asset retirement obligations	$ 0.2	$ 0.2
Contingencies related to uncertain tax positions	5.5	4.1
Deferred compensation plan obligation	2.7	2.5
Self-insurance reserves	1.8	1.9
Other long-term liabilities	1.1	1.3
Total	11.3	10.0
TMA Agreement, Uncertain Tax Positions
Other long-term liabilities
Contingencies related to uncertain tax positions	$ 4.0
TMA Agreement, Indemnification Liability
Other long-term liabilities
Contingencies related to uncertain tax positions		$ 1.5

Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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-Section 50
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-Subparagraph (c)
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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

+ References

No definition available.

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- Definition

Amount recognized for uncertainty in income taxes classified as noncurrent.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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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.

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Carrying amount of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property that are expected to be paid after one year (or the normal operating cycle, if longer).

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