Document And Entity Information - shares |
3 Months Ended | |
|---|---|---|
Apr. 29, 2017 |
May 17, 2017 |
|
| Document And Entity Information [Abstract] | ||
| Document Type | 10-Q | |
| Amendment Flag | false | |
| Document Period End Date | Apr. 29, 2017 | |
| Document Fiscal Year Focus | 2017 | |
| Document Fiscal Period Focus | Q1 | |
| Entity Registrant Name | ROSS STORES INC | |
| Entity Central Index Key | 0000745732 | |
| Current Fiscal Year End Date | --02-03 | |
| Entity Filer Category | Large Accelerated Filer | |
| Entity Common Stock, Shares Outstanding (in shares) | 389,182,128 |