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    <Log type="Info">Process Flow-Through: 0010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Nov. 26, 2011'</Log>
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    <Log type="Info">Process Flow-Through: 0015 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 0020 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Oct. 29, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '9 Months Ended
Oct. 29, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '11 Months Ended
Jan. 28, 2012'</Log>
    <Log type="Info">Process Flow-Through: 0030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Oct. 29, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '9 Months Ended
Oct. 29, 2011'</Log>
    <Log type="Info">Process Flow-Through: 0035 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 0040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</Log>
    <Log type="Info">	Process Flow-Through: Removing column '9 Months Ended
Oct. 29, 2011'</Log>
  </Logs>
  <InputFiles>
    <File>cbk-20121027.xml</File>
    <File>cbk-20121027.xsd</File>
    <File>cbk-20121027_cal.xml</File>
    <File>cbk-20121027_def.xml</File>
    <File>cbk-20121027_lab.xml</File>
    <File>cbk-20121027_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
