Intangible Assets, net - Activity Affecting Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020
Indefinite-Lived Intangible Assets [Abstract]
Indefinite-lived trademarks, beginning balance	$ 2,265,331
Indefinite-lived trademarks, ending balance	2,273,691
Intangible Assets, Gross [Abstract]
Totals, gross, beginning balance	2,655,132
Intangible Assets, Translation Adjustments Gain (Loss)	8,689
Totals, gross, ending balance	2,663,821
Finite-lived Intangible Assets, Accumulated Amortization [Abstract]
Accumulated amortization, beginning balance	175,741
Accumulated amortization, additions	4,905	$ 4,900
Accumulated amortization, effects of foreign exchange rates	124
Accumulated amortization, ending balance	180,770
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived, net	209,360		$ 214,060
Intangible Assets, Net [Abstract]
Intangible assets, net	2,483,051		$ 2,479,391
Finite-Lived Trademarks and Customer Relationships
Finite-Lived Intangible Assets, Gross [Abstract]
Finite-lived trademarks and customer relationships, beginning balance	389,801
Finite-lived trademarks and customer relationships, effects of foreign currency exchange rate	(329)
Finite-lived trademarks and customer relationships, ending balance	390,130
Finite-lived Intangible Assets, Accumulated Amortization [Abstract]
Accumulated amortization, beginning balance	175,741
Accumulated amortization, additions	4,905
Accumulated amortization, effects of foreign exchange rates	124
Accumulated amortization, ending balance	180,770
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived, net	209,360
Indefinite- Lived Trademarks
Indefinite-Lived Intangible Assets [Abstract]
Indefinite-lived trademarks, beginning balance	2,265,331
Indefinite lived trademarks, effects of foreign currency exchange rate	8,360
Indefinite-lived trademarks, ending balance	$ 2,273,691