Equity - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Equity [Abstract]
Foreign currency translation	$ (80.1)	$ (52.4)
Derivative instrument fair market value, net of income taxes of $0.0 and $(0.3)	(0.3)	0.1
Employee pension and postretirement benefit adjustments, net of income taxes of $(13.5) and $(14.9)	(36.2)	(45.1)
Total accumulated other comprehensive loss	$ (116.6)	$ (97.4)

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant