| Cover | Oct. 24, 2019 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Oct. 24, 2019 |
| Entity File Number | 001-36436 |
| Entity Registrant Name | DECKERS OUTDOOR CORPORATION |
| Entity Central Index Key | 0000910521 |
| Entity Tax Identification Number | 95-3015862 |
| Entity Incorporation, State or Country Code | DE |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | DECK |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
