Retirement and Other Benefit Plans Retirement and Other Benefit Plans (Schedule of Projected and Accumulated Benefit Obligation in Excess of Fair Value) (Details) - Pension Benefits - USD ($) $ in Thousands	Jan. 28, 2017	Jan. 30, 2016
Projected Benefit Obligation Exceeds the Fair Value of Plan Assets
Projected benefit obligation	$ 10,808	$ 11,326
Accumulated benefit obligation	9,646	10,747
Fair value of plan assets	0	0
Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets
Projected benefit obligation	10,808	11,326
Accumulated benefit obligation	9,646	10,747
Fair value of plan assets	$ 0	$ 0