<ACCESSION-NUMBER>0001258897-18-001352 <TYPE>SC 13G/A <PUBLIC-DOCUMENT-COUNT>1 <FILING-DATE>20180209 <DATE-OF-FILING-DATE-CHANGE>20180209 <SUBJECT-COMPANY> <COMPANY-DATA> <CONFORMED-NAME>DECKERS OUTDOOR CORP <CIK>0000910521 <ASSIGNED-SIC>3021 <IRS-NUMBER>953015862 <STATE-OF-INCORPORATION>DE <FISCAL-YEAR-END>0331 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>SC 13G/A <ACT>34 <FILE-NUMBER>005-48941 <FILM-NUMBER>18588472 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>250 COROMAR DRIVE <CITY>GOLETA <STATE>CA <ZIP>93117 <PHONE>8059677611 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>250 COROMAR DRIVE <CITY>GOLETA <STATE>CA <ZIP>93117 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>DECKERS FOOTWEAR CORP <DATE-CHANGED>19930811 </FORMER-COMPANY> </SUBJECT-COMPANY> <FILED-BY> <COMPANY-DATA> <CONFORMED-NAME>DIMENSIONAL FUND ADVISORS LP <CIK>0000354204 <ASSIGNED-SIC>0000 <IRS-NUMBER>222370029 <STATE-OF-INCORPORATION>DE <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>SC 13G/A </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>6300 BEE CAVE ROAD <STREET2>BUILDING ONE <CITY>AUSTIN <STATE>TX <ZIP>78746 <PHONE>(512) 306-7400 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>6300 BEE CAVE ROAD <STREET2>BUILDING ONE <CITY>AUSTIN <STATE>TX <ZIP>78746 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>DIMENSIONAL FUND ADVISORS INC <DATE-CHANGED>19920929 </FORMER-COMPANY> </FILED-BY>