Defined Benefit Pension Plans and Other Benefit Plans (Details) - USD ($)	3 Months Ended
	May 04, 2019	May 05, 2018	Feb. 02, 2019
Amortization:
Total other components of net periodic benefit cost	$ (86,000)	$ (8,000)
Pension Benefits
Components of Net Periodic Benefit Cost
Service cost	162,000	113,000
Interest cost	758,000	754,000
Expected return on plan assets	(731,000)	(1,051,000)
Amortization:
Prior service cost	0	0
Amortization of losses	74,000	189,000
Total other components of net periodic benefit cost	101,000	(108,000)
Net Periodic Benefit Cost	263,000	5,000
Contribution required			$ 0
Other Benefits
Components of Net Periodic Benefit Cost
Service cost	22,000	155,000
Interest cost	38,000	68,000
Expected return on plan assets	0	0
Amortization:
Prior service cost	(230,000)	0
Amortization of losses	5,000	32,000
Total other components of net periodic benefit cost	(187,000)	100,000
Net Periodic Benefit Cost	$ (165,000)	$ 255,000