Retirement And Other Benefit Plans Retirement and Other Benefit Plans (Schedule of Components of Accumulated Other Comprehensive Income, Net of Tax) (Details) - USD ($) $ in Thousands	Jan. 30, 2016	Jan. 31, 2015
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net actuarial loss (gain)	$ 11,976	$ 4,872
Net prior service (credit) cost	(5,673)	(7,037)
Components of accumulated other comprehensive (loss) income, net of tax:	6,303	(2,165)
Other Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net actuarial loss (gain)	(947)	(1,068)
Net prior service (credit) cost	0	0
Components of accumulated other comprehensive (loss) income, net of tax:	$ (947)	$ (1,068)