Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Indefinite-lived intangible assets
Goodwill	$ 13,990	$ 13,990	$ 127,934
Trademarks	15,454	15,454
Definite-lived intangible assets
Total gross carrying amount	108,461	106,628
Accumulated amortization	(66,065)	(56,944)
Net definite-lived intangible assets	42,396	49,684
Total other intangible assets	57,850	65,138	$ 83,026
Total goodwill and other intangible assets	71,840	79,128
UGG brand wholesale
Indefinite-lived intangible assets
Goodwill	6,101	6,101
Other brands wholesale
Indefinite-lived intangible assets
Goodwill	7,889	7,889
Trademarks
Definite-lived intangible assets
Total gross carrying amount	55,245	55,245
Other Intangible Assets
Definite-lived intangible assets
Total gross carrying amount	$ 53,216	$ 51,383