Revenue - Schedule of Contract Asset and Liability (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Revenue From Contract With Customer [Abstract]
Accounts receivable	$ 93.3	$ 151.3
Contract asset	7.0	11.0	$ 11.8	$ 11.4
Contract liability	$ (11.3)	$ (19.4)	$ (14.9)	$ (19.1)

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant