Retirement and Other Benefit Plans Retirement and Other Benefit Plans (Schedule of Amounts Recognized in Consolidated Balance Sheet) (Details) - USD ($) $ in Thousands	Jan. 28, 2017	Jan. 30, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prepaid pension costs (noncurrent assets)	$ 32,489	$ 64,890
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prepaid pension costs (noncurrent assets)	32,489	64,890
Accrued benefit liabilities (current liability)	(2,765)	(3,512)
Accrued benefit liabilities (noncurrent liability)	(8,043)	(7,817)
Net amount recognized at end of year	21,700	53,561
Other Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accrued benefit liabilities (current liability)	(250)	(141)
Accrued benefit liabilities (noncurrent liability)	(1,416)	(1,270)
Net amount recognized at end of year	$ (1,700)	$ (1,411)