Retirement And Other Benefit Plans Retirement and Other Benefit Plans (Schedule of Expected Amortization of Components of AOCI) (Details) $ in Thousands	12 Months Ended
	Jan. 30, 2016 USD ($)
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amortization of net actuarial loss (gain)	$ 590
Amortization of net prior service cost	(2,090)
Expected amortization, net of tax:	(1,500)
Other Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amortization of net actuarial loss (gain)	(217)
Amortization of net prior service cost	0
Expected amortization, net of tax:	$ (217)