Goodwill and Other Intangible Assets - Changes in Carrying Value of Goodwill by Reportable Segment (Details) $ in Millions	9 Months Ended
Sep. 30, 2021 USD ($)
Goodwill [Roll Forward]
Balance, December 31, 2020	$ 1,225.8
Acquisitions	3.1
Currency impact	22.3
Balance, September 30, 2021	1,206.6
Reportable segments \| Americas
Goodwill [Roll Forward]
Balance, December 31, 2020	536.6
Acquisitions	3.1
Currency impact	0.4
Balance, September 30, 2021	539.3
Reportable segments \| Southern Europe
Goodwill [Roll Forward]
Balance, December 31, 2020	154.9
Acquisitions	0.0
Currency impact	7.5
Balance, September 30, 2021	147.4
Reportable segments \| Northern Europe
Goodwill [Roll Forward]
Balance, December 31, 2020	326.6
Acquisitions	0.0
Currency impact	10.5
Balance, September 30, 2021	316.1
Reportable segments \| APME
Goodwill [Roll Forward]
Balance, December 31, 2020	81.7
Acquisitions	0.0
Currency impact	3.9
Balance, September 30, 2021	77.8
Corporate
Goodwill [Roll Forward]
Balance, December 31, 2020	126.0
Acquisitions	0.0
Currency impact	0.0
Balance, September 30, 2021	$ 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.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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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.

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