Restructuring, Impairment and Other Charges - Additional Information (Details) $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($) Employee	Dec. 31, 2018 USD ($) Employee	Dec. 31, 2017 USD ($) Employee
Restructuring And Related Activities [Abstract]
Employee termination costs	$ 9.1	$ 3.4	$ 6.4
Number of employees used to determine employee termination costs \| Employee	271	89	192
Other charges	$ 1.1	$ 0.2	$ 0.2
Other restructuring charges		$ 0.8	0.3
Impairment charges	$ 3.4		$ 0.2

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of other expense (income) that is infrequent in occurrence or unusual in nature.

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Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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The expected number of positions to be eliminated as a result of restructuring activities.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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