Employee Benefit Plans - Total Plan Expense, Other Amounts, and Other Changes Recognized in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Noncontributory Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost on projected benefit obligation	$ 686	$ 634	$ 669
Expected return on plan assets	(927)	(1,013)	(1,002)
Amortization of unrecognized loss	946	1,026	591
Net pension cost	705	647	258
Other changes recognized in other comprehensive loss, before taxes
Unrecognized losses at the beginning of the year	8,139	9,746	6,614
Net periodic pension cost	(705)	(647)	(258)
Employer contribution		146	468
Change in plan assets and benefit obligations	(154)	(1,106)	2,922
Unrecognized losses at the end of year	7,280	8,139	9,746
Supplemental Executive Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost on projected benefit obligation	27	25
Net pension cost	33	34	31
Other changes recognized in other comprehensive loss, before taxes
Unrecognized losses at the beginning of the year	178	256	142
Net periodic pension cost	(33)	(34)	(31)
Employer contribution	30	30	30
Change in plan assets and benefit obligations	(18)	(74)	115
Unrecognized losses at the end of year	$ 157	$ 178	$ 256