Fair Value Measurement of Financial Instruments (Schedule of Indefinite-lived Assets) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended
	Jun. 30, 2019	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Indefinite-lived Intangible Assets [Line Items]
Impairment charges					$ (33,109)	$ (17,899)
Reclassified to finite-lived intangible assets	$ (330,100)
Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance at January 1			$ 624,985		624,985
Impairment charges		$ (33,100)	$ (161,200)	$ (17,900)
Balance at March 31		$ 591,933			$ 591,933