Restructuring - Summary of Changes to Our 2020 Plan Liabilities (Details) - 2020 Plan Liabilities - USD ($) $ in Millions	6 Months Ended	15 Months Ended
Jun. 30, 2021	Jun. 30, 2021
Restructuring Cost And Reserve [Line Items]
Beginning balance	$ 1.4
Cash payments	(0.6)
Other adjustments	$ (0.8)	$ 6.7

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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

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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.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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