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Summary Of Significant Accounting Policies (Schedule Of Allowance For Sales Returns) (Details) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Feb. 01, 2014 | Feb. 02, 2013 | Jan. 28, 2012
Allowance for Sales Returns [Roll Forward] |  |  |
Allowance For Sales Return, Beginning Balance | $ 7,165 | $ 6,426 | $ 5,869
Allowance For Sales Return, Additions | 699,835 | 680,058 | 606,293
Allowance For Sales Return, Returns | (699,569) | (679,319) | (605,736)
Allowance For Sales Return, Ending Balance | $ 7,431 | $ 7,165 | $ 6,426

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- Definition Allowance For Sales Return + References No definition available. + Details
Name: | rost_AllowanceForSalesReturn
Namespace Prefix: | rost_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Allowance For Sales Return Additions + References No definition available. + Details
Name: | rost_AllowanceForSalesReturnAdditions
Namespace Prefix: | rost_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Allowance For Sales Return, Returns + References No definition available. + Details
Name: | rost_AllowanceForSalesReturnReturns
Namespace Prefix: | rost_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration