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Business Combinations - Summary of Unaudited Pro Forma Financial Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Loss on foreign currency forward transactions	$ 29.0
Hermes
Business Acquisition [Line Items]
Revenue	1,230.5
Net Income	$ 241.4

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Amount of decrease in the fair value of derivatives recognized in the income statement.

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