Defined Benefit Pension Plans and Other Postretirement Benefit Plans - Reconciliation of AOCI (Details) $ in Thousands	12 Months Ended
	Feb. 02, 2019 USD ($)
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Net (gain) loss	$ 610
Prior service cost	0
Amortization of prior service cost	0
Recognition of prior service cost due to curtailment	0
Amortization of net actuarial loss	(776)
Total Recognized in Other Comprehensive Income	(166)
Total Recognized in Net Periodic Benefit Cost and Other Comprehensive Income	(116)
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Net (gain) loss	(3,299)
Prior service cost	(3,658)
Amortization of prior service cost	294
Recognition of prior service cost due to curtailment	1,199
Amortization of net actuarial loss	(42)
Total Recognized in Other Comprehensive Income	(5,506)
Total Recognized in Net Periodic Benefit Cost and Other Comprehensive Income	$ (5,954)