Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Weighted Average Assumptions Used To Determine Net Periodic Pension Costs For The Supplemental Retirement Plan) (Details)

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Retirement Plans (Weighted Average Assumptions Used To Determine Net Periodic Pension Costs For The Supplemental Retirement Plan) (Details)
12 Months Ended
Jan. 30, 2016
Supplemental Employee Retirement Plan  
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate, Interest Cost 3.55%