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Retirement Plans (Weighted Average Assumptions Used To Determine Projected Benefit Obligations For The Supplementary Retirement Plan) (Details) (Supplementary Retirement Plan [Member])
Feb. 02, 2013
Jan. 28, 2012
Supplementary Retirement Plan [Member]
   
Discount rate 4.15% 4.65%
Rate of compensation increases 4.90% 4.90%