Goodwill and Other Intangible Assets - Changes in Carrying Value of Goodwill by Reportable Segment (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($)
Goodwill [Roll Forward]
Balance, December 31, 2019	$ 1,260.1
Currency impact	(27.0)
Balance, March 31, 2020	1,233.1
Reportable segments \| Americas
Goodwill [Roll Forward]
Balance, December 31, 2019	535.6
Currency impact	(3.7)
Balance, March 31, 2020	531.9
Reportable segments \| Southern Europe
Goodwill [Roll Forward]
Balance, December 31, 2019	144.8
Currency impact	(1.7)
Balance, March 31, 2020	143.1
Reportable segments \| Northern Europe
Goodwill [Roll Forward]
Balance, December 31, 2019	374.6
Currency impact	(17.7)
Balance, March 31, 2020	356.9
Reportable segments \| APME
Goodwill [Roll Forward]
Balance, December 31, 2019	79.1
Currency impact	(3.9)
Balance, March 31, 2020	75.2
Corporate
Goodwill [Roll Forward]
Balance, December 31, 2019	126.0
Balance, March 31, 2020	$ 126.0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
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-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 350
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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