Business Segments, Concentration of Business, and Credit Risk and Significant Customers (Wholesale Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015
Business segment information
Net sales to external customers	$ 213,805	$ 211,469
Income (loss) from operations	(63,708)	(50,482)
Total assets for reportable segments	1,253,498		$ 1,169,933
Reportable segments
Business segment information
Total assets for reportable segments	807,207		698,174
UGG wholesale
Business segment information
Net sales to external customers	66,422	74,193
Income (loss) from operations	(3,380)	2,693
Total assets for reportable segments	334,392		194,720
Teva wholesale
Business segment information
Net sales to external customers	37,066	35,665
Income (loss) from operations	5,874	4,782
Total assets for reportable segments	63,805		77,423
Sanuk wholesale
Business segment information
Net sales to external customers	28,513	32,329
Income (loss) from operations	5,348	6,905
Total assets for reportable segments	208,035		224,974
Other wholesale
Business segment information
Net sales to external customers	21,385	11,825
Income (loss) from operations	(4,000)	(4,011)
Total assets for reportable segments	59,098		53,634
Direct-to-Consumer
Business segment information
Net sales to external customers	60,419	57,457
Income (loss) from operations	(15,205)	(15,042)
Total assets for reportable segments	141,877		$ 147,423
Unallocated to Segments
Business segment information
Income (loss) from operations	$ (52,345)	$ (45,809)