Goodwill and Other Intangible Assets (Schedule of indefinite life assets not subject to amortization) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Oct. 01, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Indefinite-lived Intangible Assets [Roll Forward]
Intangible asset impairment		$ 0	$ 0	$ 47,905
Tradenames
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite life assets not subject to amortization, beginning balance		644,208	580,147
Intangible assets acquired during the year		91,782	16,196
Intangible asset impairment		0	0
Currency translation during the year		(28,610)	47,865
Indefinite life assets not subject to amortization, ending balance		$ 707,380	$ 644,208	$ 580,147
Selling, general and administrative expenses | Tradenames
Indefinite-lived Intangible Assets [Roll Forward]
Intangible asset impairment	$ 47,905