Defined Benefit Pension Plans and Other Postretirement Benefit Plans - Net Periodic Benefit Cost (Details) - USD ($)	3 Months Ended	12 Months Ended
	Feb. 03, 2018	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Defined Benefit Plan Disclosure [Line Items]
Settlement loss recognized		$ 0	$ 0	$ 2,456,000
Amortization:
Other components of net periodic benefit cost		(380,000)	(29,000)	2,085,000
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost		450,000	550,000	550,000
Interest cost		3,022,000	3,277,000	4,118,000
Expected return on plan assets		(4,198,000)	(4,505,000)	(5,641,000)
Settlement loss recognized	$ 2,500,000	0	0	2,456,000
Amortization:
Prior service cost		0	0	0
Losses		776,000	834,000	810,000
Net amortization		776,000	834,000	810,000
Other components of net periodic benefit cost		(400,000)	(394,000)	1,743,000
Net Periodic Benefit Cost - Ongoing Operations		50,000	156,000	2,293,000
Net Periodic Benefit Cost - Discontinued Operations		0	0	0
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost		409,000	507,000	429,000
Interest cost		214,000	251,000	225,000
Expected return on plan assets		0	0	0
Settlement loss recognized		0	0	0
Amortization:
Prior service cost		(231,000)	0	0
Losses		37,000	114,000	117,000
Net amortization		(194,000)	114,000	117,000
Other components of net periodic benefit cost		20,000	365,000	342,000
Net Periodic Benefit Cost - Ongoing Operations		429,000	872,000	771,000
Net Periodic Benefit Cost - Discontinued Operations		$ (877,000)	$ 524,000	$ 344,000