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Goodwill (Details) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 403.7
Goodwill acquired during the period	261.7
Foreign currency translation adjustments	(5.4)
Goodwill ending balance	660.0
AMS
Goodwill [Roll Forward]
Goodwill, beginning of period	398.4
Goodwill acquired during the period	261.7
Foreign currency translation adjustments	(5.1)
Goodwill ending balance	655.0
EP
Goodwill [Roll Forward]
Goodwill, beginning of period	5.3
Goodwill acquired during the period	0.0
Foreign currency translation adjustments	(0.3)
Goodwill ending balance	$ 5.0

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
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X

- 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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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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