Goodwill and Other Intangible Assets (Schedule of indefinite life assets not subject to amortization) (Details) - Tradenames - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite life assets not subject to amortization, beginning balance	$ 707,380	$ 644,208
Intangible assets acquired during the year(1)		91,782
Currency translation during the year	(3,774)	(28,610)
Intangible assets acquired during the year	(874)
Indefinite life assets not subject to amortization, ending balance	$ 702,732	$ 707,380