Cover Page - USD ($)	12 Months Ended
	Mar. 31, 2022	May 05, 2022	Sep. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Current Fiscal Year End Date	--03-31
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	001-36436
Entity Registrant Name	DECKERS OUTDOOR CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	95-3015862
Entity Address, Address Line One	250 Coromar Drive
Entity Address, City or Town	Goleta
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	93117
City Area Code	805
Local Phone Number	967-7611
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	DECK
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 9,890,267,142
Entity Common Stock, Shares Outstanding (in shares)		26,789,861
Documents Incorporated by Reference	Portions of the registrant’s definitive Proxy Statement on Schedule 14A relating to the registrant’s 2022 annual meeting of stockholders, to be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K, are incorporated by reference in Part III within this Annual Report on Form 10-K. With the exception of the portions of the Proxy Statement specifically incorporated herein by reference, the Proxy Statement and related proxy solicitation materials are not deemed to be filed as part of this Annual Report on Form 10-K.
Entity Central Index Key	0000910521
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY