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Goodwill and Other Intangible Assets - Changes in Carrying Value of Goodwill by Reportable Segment (Details) $ in Millions	6 Months Ended
	Jun. 30, 2021 USD ($)
Goodwill [Roll Forward]
Balance, December 31, 2020	$ 1,225.8
Acquisitions	3.1
Currency impact	9.8
Balance, June 30, 2021	1,219.1
Northern Europe
Goodwill [Roll Forward]
Balance, June 30, 2021	115.8
Reportable segments | Americas
Goodwill [Roll Forward]
Balance, December 31, 2020	536.6
Acquisitions	3.1
Currency impact	1.0
Balance, June 30, 2021	540.7
Reportable segments | Southern Europe
Goodwill [Roll Forward]
Balance, December 31, 2020	154.9
Acquisitions	0.0
Currency impact	5.0
Balance, June 30, 2021	149.9
Reportable segments | Northern Europe
Goodwill [Roll Forward]
Balance, December 31, 2020	326.6
Acquisitions	0.0
Currency impact	2.7
Balance, June 30, 2021	323.9
Reportable segments | APME
Goodwill [Roll Forward]
Balance, December 31, 2020	81.7
Acquisitions	0.0
Currency impact	3.1
Balance, June 30, 2021	78.6
Corporate
Goodwill [Roll Forward]
Balance, December 31, 2020	126.0
Acquisitions	0.0
Currency impact	0.0
Balance, June 30, 2021	$ 126.0

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
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-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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- Definition

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.

+ References

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- Definition

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

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