Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Weighted Average Assumptions Used To Determine Projected Benefit Obligations For The Supplementary Retirement Plan) (Details)

v2.4.0.6
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%