Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
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Derivative Instruments and Hedging Activities - Notional amounts and fair value (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	May 09, 2018
Derivatives
Derivative current liabilities, fair value		$ 9.4
Interest rate swaps \| Cash flow hedging
Derivatives
Notional amount		1,323.5	$ 1,361.2
Interest rate swaps \| Cash flow hedging \| Accrued Liabilities and Other
Derivatives
Derivative current liabilities, fair value	$ 0.0	$ 9.4