Goodwill Assets (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 607,205
Goodwill additions	531
Goodwill, Translation Adjustments	4,408
Goodwill, Ending Balance	612,144
America's [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	216,385
Goodwill additions	0
Goodwill, Translation Adjustments	(7,262)
Goodwill, Ending Balance	209,123
EMEA [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	133,018
Goodwill additions	531
Goodwill, Translation Adjustments	725
Goodwill, Ending Balance	134,274
Asia Pacific [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	141,727
Goodwill additions	0
Goodwill, Translation Adjustments	10,907
Goodwill, Ending Balance	152,634
Global Specialty Businesses [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	116,075
Goodwill additions	0
Goodwill, Translation Adjustments	38
Goodwill, Ending Balance	$ 116,113