XML 42 R36.htm IDEA: XBRL DOCUMENT v2.4.0.6
Basis of Presentation (Details)
3 Months Ended 12 Months Ended
May 05, 2012
Apr. 30, 2011
Mar. 03, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Reporting period lag for consolidation of financial results 1 month   2 months
Number of Weeks in Fiscal Quarter P14W P13W