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Fair Value Information (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Assets
Cash and cash equivalents	$ 100.1	$ 111.5	$ 187.7	$ 205.3
Level 1 | Carrying Amount
Assets
Cash and cash equivalents	100.1	111.5
Level 1 | Estimated Fair Value
Assets
Cash and cash equivalents	100.1	111.5
Level 2 | Carrying Amount
Liabilities
Revolving credit facility	175.0	180.0
Level 2 | Estimated Fair Value
Liabilities
Revolving credit facility	$ 175.0	$ 180.0

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Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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