Retirement and Other Benefit Plans Retirement and Other Benefit Plans (Schedule of Amounts Recognized in Consolidated Balance Sheet) - USD ($) $ in Thousands	Feb. 03, 2018	Jan. 28, 2017
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prepaid pension costs (noncurrent assets)	$ 62,575	$ 32,489
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prepaid pension costs (noncurrent assets)	62,575	32,489
Accrued benefit liabilities (current liability)	(3,988)	(2,765)
Accrued benefit liabilities (noncurrent liability)	(7,975)	(8,043)
Net amount recognized at end of year	50,612	21,681
Other Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accrued benefit liabilities (current liability)	(238)	(250)
Accrued benefit liabilities (noncurrent liability)	(1,356)	(1,416)
Net amount recognized at end of year	$ (1,594)	$ (1,666)