Business Segments (Details) $ in Thousands	3 Months Ended									6 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($) segment	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Mar. 31, 2013 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2016 USD ($) store segment	Mar. 31, 2015 USD ($) store segment	Dec. 31, 2013 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment				1							5	5
Number of stores converted to partner retail stores | store											3	7
Net sales to external customers	$ 378,635	$ 795,902	$ 486,855	$ 213,805	$ 340,637	$ 784,678	$ 480,273	$ 294,716	$ 263,760	$ 211,469	$ 1,875,197	$ 1,817,057	$ 1,556,618
Income (loss) from operations								(408)	$ 2,652		162,127	224,419	207,897
Depreciation and amortization								10,569			50,024	49,293	41,439
Depreciation, Depletion and Amortization								10,538			49,741	49,150	41,370
Capital expenditures								17,620			66,186	91,853	79,830
Total assets	1,278,068				1,169,933						1,278,068	1,169,933
UGG Wholesale Segment
Segment Reporting Information [Line Items]
Net sales to external customers								83,271			918,102	903,926	818,377
Income (loss) from operations								13,595			246,990	269,489	224,738
Depreciation and amortization								137			2,107	5,029	641
Capital expenditures								119			1,458	246	313
Total assets	248,937				194,720			153,341			248,937	194,720	314,122
Teva Wholesale Segment
Segment Reporting Information [Line Items]
Net sales to external customers								45,283			121,239	116,931	109,334
Income (loss) from operations								6,425			17,692	13,320	9,166
Depreciation and amortization								33			54	94	641
Capital expenditures								0			0	51	63
Total assets	87,225				77,423			81,766			87,225	77,423	54,868
Sanuk Wholesale Segment
Segment Reporting Information [Line Items]
Net sales to external customers								28,793			90,719	102,690	94,420
Income (loss) from operations								7,530			15,565	21,914	20,591
Depreciation and amortization								1,769			6,556	6,969	7,761
Capital expenditures								2			881	487	91
Total assets	212,816				224,974			214,627			212,816	224,974	208,669
Other Wholesale Segment
Segment Reporting Information [Line Items]
Net sales to external customers								18,662			100,820	76,152	38,276
Income (loss) from operations								(758)			(4,384)	(9,838)	(9,807)
Depreciation and amortization								250			1,101	940	507
Capital expenditures								26			51	351	477
Total assets	65,072				53,634			41,281			65,072	53,634	34,315
Retail Stores Segment
Segment Reporting Information [Line Items]
Net sales to external customers								118,707			644,317	617,358	496,211
Income (loss) from operations								20,918			101,756	150,320	132,532
Depreciation and amortization								5,209			18,931	21,088	21,861
Capital expenditures								3,557			18,445	19,128	35,669
Total assets	148,733				147,423			163,664			148,733	147,423	189,822
Unallocated to Segments
Segment Reporting Information [Line Items]
Income (loss) from operations								(48,118)			(215,492)	(220,786)	(169,323)
Depreciation and amortization								3,140			20,992	15,030	9,959
Capital expenditures								13,916			45,351	71,590	43,217
Reportable segments
Segment Reporting Information [Line Items]
Total assets	$ 762,783				$ 698,174			$ 654,679			$ 762,783	$ 698,174	$ 801,796