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	Feb. 02, 2019	Feb. 03, 2018
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net actuarial loss (gain)	$ 34,879	$ 22,424
Net prior service credit	(3,266)	(4,618)
Components of accumulated other comprehensive loss, net of tax:	31,613	17,806
Other Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net actuarial loss (gain)	(558)	(634)
Components of accumulated other comprehensive loss, net of tax:	$ (558)	$ (634)