Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Mar. 31, 2017
Indefinite-lived Intangible Assets
Goodwill	$ 13,990	$ 13,990
Trademarks	15,454	15,454
Definite-lived Intangible Assets
Total gross carrying amount	108,079	106,628
Accumulated amortization	(63,776)	(56,944)
Net Definite-lived Intangible Assets	44,303	49,684
Total Other Intangible Assets	59,757	65,138
Total Goodwill and Other Intangible Assets	73,747	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	$ 52,834	$ 51,383