Retirement Plans (Weighted Average Assumptions Used To Determine Net Periodic Pension Costs For The Pension Plan) (Details) - Pension Plan [Member]	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Discount rate for service cost (percent)		3.55%	4.50%
Discount rate for interest cost (percent)		3.55%	4.50%
Expected long-term return on plan assets	7.00%	7.00%	7.50%
Rate of compensation increases	4.10%	4.10%	4.10%
Minimum [Member]
Discount rate for service cost (percent)	3.79%
Discount rate for interest cost (percent)	2.96%
Maximum [Member]
Discount rate for service cost (percent)	4.26%
Discount rate for interest cost (percent)	3.30%