Business Segments (Wholesale Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Mar. 31, 2016
Business segment information
Assets	$ 1,369,305		$ 1,369,305		$ 1,278,068
Net sales to external customers	760,345	$ 795,902	1,420,682	$ 1,496,562
Income (loss) from operations	53,250	202,500	28,954	190,005
Unallocated overhead costs
Business segment information
Income (loss) from operations	(54,757)	(43,715)	(160,283)	(151,852)
Operating segments
Business segment information
Assets	771,277		771,277		762,783
Operating segments | UGG brand
Business segment information
Assets	419,280		419,280		248,937
Net sales to external customers	342,019	399,566	725,772	810,647
Income (loss) from operations	107,335	123,795	209,633	237,209
Operating segments | Teva brand wholesale
Business segment information
Assets	58,835		58,835		87,225
Net sales to external customers	12,653	12,697	54,424	63,866
Income (loss) from operations	(560)	(214)	(819)	5,218
Operating segments | Sanuk brand
Business segment information
Assets	70,811		70,811		212,816
Net sales to external customers	10,264	13,472	47,596	55,309
Income (loss) from operations	(119,968)	2,938	(115,998)	8,263
Operating segments | Other brands
Business segment information
Assets	68,299		68,299		65,072
Net sales to external customers	23,658	18,841	76,899	68,379
Income (loss) from operations	(958)	(963)	(226)	(4,680)
Operating segments | Direct-to-Consumer
Business segment information
Assets	154,052		154,052		$ 148,733
Net sales to external customers	371,751	351,326	515,991	498,361
Income (loss) from operations	$ 122,158	$ 120,659	$ 96,647	$ 95,847