Defined Benefit Pension Plans and Other Postretirement Benefit Plans - Change in Benefit Obligation and Plan Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Pension Benefits
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	$ 100,290	$ 125,764
Service cost	550	450	$ 450
Interest cost	4,118	4,263	4,664
Plan participants’ contributions	0	0
Plan settlements	(13,862)	0
Curtailment gain	0	0
Benefits paid	(8,308)	(8,841)
Actuarial (gain) loss	4,159	(21,346)
Benefit Obligation at End of Year	86,947	100,290	125,764
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	90,333	103,580
Actual gain (loss) on plan assets	12,531	(4,406)
Plan settlements	(13,874)	0
Employer contributions	0	0
Plan participants’ contributions	0	0
Benefits paid	(8,308)	(8,841)
Fair Value of Plan Assets at End of Year	80,682	90,333	103,580
Funded Status at End of Year	(6,265)	(9,957)
Other Benefits
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	6,826	6,886
Service cost	704	821	526
Interest cost	286	245	226
Plan participants’ contributions	158	124
Plan settlements	0	0
Curtailment gain	0	(755)
Benefits paid	(257)	(341)
Actuarial (gain) loss	1,226	(154)
Benefit Obligation at End of Year	8,943	6,826	6,886
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	0	0
Actual gain (loss) on plan assets	0	0
Plan settlements	0	0
Employer contributions	99	217
Plan participants’ contributions	158	124
Benefits paid	(257)	(341)
Fair Value of Plan Assets at End of Year	0	0	$ 0
Funded Status at End of Year	$ (8,943)	$ (6,826)