Reportable Operating Segments - Schedule of Operating Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Net sales	$ 736,007	$ 1,187,752	$ 721,902	$ 504,678	$ 561,188	$ 1,077,759	$ 623,525	$ 283,169	$ 3,150,339	$ 2,545,641	$ 2,132,689
Income (loss) from operations	$ 81,298	$ 293,396	$ 128,181	$ 61,832	$ 54,645	$ 328,655	$ 128,604	$ (7,699)	564,707	504,205	338,135
Depreciation, amortization, and accretion									42,878	40,530	38,912
Capital expenditures									57,714	36,781	32,061
Segment reconciling items
Segment Reporting Information [Line Items]
Income (loss) from operations									(395,076)	(297,717)	(260,216)
Depreciation, amortization, and accretion									30,118	26,157	24,359
Capital expenditures									44,542	25,533	23,376
Wholesale | UGG brand wholesale
Segment Reporting Information [Line Items]
Net sales									1,088,082	871,799	892,990
Wholesale | HOKA brand wholesale
Segment Reporting Information [Line Items]
Net sales									628,674	405,243	277,097
Wholesale | Teva brand wholesale
Segment Reporting Information [Line Items]
Net sales									129,094	105,928	119,108
Wholesale | Sanuk brand wholesale
Segment Reporting Information [Line Items]
Net sales									30,316	26,566	39,463
Wholesale | Other brands wholesale
Segment Reporting Information [Line Items]
Net sales									60,573	69,375	67,175
Wholesale | Reportable segments | UGG brand wholesale
Segment Reporting Information [Line Items]
Income (loss) from operations									315,240	292,718	303,908
Depreciation, amortization, and accretion									416	532	611
Capital expenditures									109	(31)	404
Wholesale | Reportable segments | HOKA brand wholesale
Segment Reporting Information [Line Items]
Income (loss) from operations									155,344	111,208	61,860
Depreciation, amortization, and accretion									701	611	612
Capital expenditures									1,191	56	331
Wholesale | Reportable segments | Teva brand wholesale
Segment Reporting Information [Line Items]
Income (loss) from operations									33,294	27,120	30,736
Depreciation, amortization, and accretion									0	0	1
Wholesale | Reportable segments | Sanuk brand wholesale
Segment Reporting Information [Line Items]
Income (loss) from operations									6,463	(162)	3,212
Depreciation, amortization, and accretion									1,490	1,727	2,361
Capital expenditures									0	8	0
Wholesale | Reportable segments | Other brands wholesale
Segment Reporting Information [Line Items]
Income (loss) from operations									14,028	21,573	16,087
Depreciation, amortization, and accretion									382	382	382
Capital expenditures									0	40	64
Direct-to-Consumer | Direct-to-Consumer
Segment Reporting Information [Line Items]
Net sales									1,213,600	1,066,730	736,856
Direct-to-Consumer | Reportable segments | Direct-to-Consumer
Segment Reporting Information [Line Items]
Income (loss) from operations									435,414	349,465	182,548
Depreciation, amortization, and accretion									9,771	11,121	10,586
Capital expenditures									$ 11,872	$ 11,175	$ 7,886