Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Details) $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($)
Goodwill Roll Forward
Goodwill, Beginning Balance	$ 631,194
Goodwill, Ending Balance	630,938
Operating Segments [Member]
Goodwill Roll Forward
Goodwill, Beginning Balance	631,194
Goodwill additions	1,784
Currency translation adjustments	(2,040)
Goodwill, Ending Balance	630,938
Operating Segments [Member] \| Global Specialty Businesses [Member]
Goodwill Roll Forward
Goodwill, Beginning Balance	119,193
Goodwill additions	32
Currency translation adjustments	(519)
Goodwill, Ending Balance	118,706
Operating Segments [Member] \| Americas [Member]
Goodwill Roll Forward
Goodwill, Beginning Balance	214,023
Goodwill additions	1,752
Currency translation adjustments	1,376
Goodwill, Ending Balance	217,151
Operating Segments [Member] \| EMEA [Member]
Goodwill Roll Forward
Goodwill, Beginning Balance	135,520
Goodwill additions	0
Currency translation adjustments	(2,569)
Goodwill, Ending Balance	132,951
Operating Segments [Member] \| Asia Pacific [Member]
Goodwill Roll Forward
Goodwill, Beginning Balance	162,458
Goodwill additions	0
Currency translation adjustments	(328)
Goodwill, Ending Balance	$ 162,130

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://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))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: 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=120320667&loc=SL49117168-202975

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 20
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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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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