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Summary Of Significant Accounting Policies (Schedule Of Sales Mix) (Details) | 12 Months Ended
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Feb. 01, 2014 | Feb. 02, 2013 | Jan. 28, 2012
Sales Mix [Line Items] |  |  |
Company's sales mix as a percent of total sales | 100.00% | 100.00% | 100.00%
Ladies [Member] |  |  |
Sales Mix [Line Items] |  |  |
Company's sales mix as a percent of total sales | 29.00% | 29.00% | 29.00%
Home Accents And Bed And Bath [Member] |  |  |
Sales Mix [Line Items] |  |  |
Company's sales mix as a percent of total sales | 24.00% | 24.00% | 25.00%
Accessories, Lingerie, Fine Jewelry, And Fragrances [Member] |  |  |
Sales Mix [Line Items] |  |  |
Company's sales mix as a percent of total sales | 13.00% | 13.00% | 13.00%
Shoes [Member] |  |  |
Sales Mix [Line Items] |  |  |
Company's sales mix as a percent of total sales | 13.00% | 13.00% | 12.00%
Men's [Member] |  |  |
Sales Mix [Line Items] |  |  |
Company's sales mix as a percent of total sales | 13.00% | 13.00% | 13.00%
Children's [Member] |  |  |
Sales Mix [Line Items] |  |  |
Company's sales mix as a percent of total sales | 8.00% | 8.00% | 8.00%

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- Definition Company's sales mix as a percent of total sales. + References No definition available. + Details
Name: | rost_CompanysSalesMixAsPercentOfTotalSales
Namespace Prefix: | rost_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | rost_SalesMixLineItems
Namespace Prefix: | rost_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration