Derivative Instruments and Hedging Activities - Summary (Details) - Interest rate swaps - Hedging $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($) item	May 09, 2018 USD ($)
Interest Rate Hedge
Notional amount		$ 1,361.2
Number of interest rate swaps \| item	2
Term loan variable rate exposure (as a percent)	60.00%
Fixed rate (as a percent)	2.70%
Carrying amount
Interest Rate Hedge
Long-term debt	$ 2,283.7
Reclassification of losses out of accumulated other comprehensive loss into earnings within next 12 months	$ 14.7

Fixed interest rate related to the interest rate derivative.

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The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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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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The number of derivative instruments of a particular group held by the entity.

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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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Percentage of an entity's outstanding debt that is designated as a hedged item in cash flow, fair value, or net investment hedge.

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