Accumulated Other Comprehensive Income - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustment	$ 1.0	$ (1.7)	$ 2.9
Reclassification out of Accumulated Other Comprehensive Income \| AOCI
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Interest expense	$ 3.0	$ 2.8	$ 2.6

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

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- Definition

Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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