Defined Benefit Pension Plans and Other Postretirement Benefit Plans - Textuals (Details) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2018	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
Maintained range of actual to target asset allocation			5.00%
Minimum expected funded percentage			80.00%
Employer contributions	$ 3,500,000
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Participant's compensation			4.00%
Participant compensation in excess of social security taxable wage base			4.00%
Interest calculated on account balance of each active participant			7.00%
Amount other than interest calculated on account balance of each active participant			50.00%
Amount with interest calculated on account balance of each inactive participant			lesser of 7% or the 30 year
Treasury rate with interest calculated on account balance of each inactive participant			7.00%
Year with interest calculated on account balance of each inactive participant			30 years
Year only with interest calculated under frozen plan for each participant's cash balance plan account			30 years
Treasury rate only with interest calculated under frozen plan for each participant's cash balance plan account			7.00%
Settlement loss recognized		$ 2,500,000	$ 0	0	$ 2,456,000
Estimated net gain (loss) that will be amortized from accumulated other comprehensive income			300,000
Estimated prior service cost that will be amortized from accumulated other comprehensive income			0
Increase (decrease) in rate increased accumulated benefit obligation			(2,400,000)	1,900,000
Increase (decrease) in rate increased projected benefit obligation			$ (2,400,000)	$ 1,900,000
Expected long-term rate of return on plan assets			5.65%	6.05%	6.35%
Related assets in the plan		$ 0	$ 0	$ 0
Plan assets projected to be returned to the company			0
Employer contributions			$ 3,500,000	0
Maximum percentage of salary up to which additional contribution made by employer			2.50%
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Settlement loss recognized			$ 0	0	$ 0
Age under health care plan for early retirees eligible for benefits			65 years
Estimated net gain (loss) that will be amortized from accumulated other comprehensive income			$ 0
Estimated prior service cost that will be amortized from accumulated other comprehensive income			900,000
Employer contributions			$ 105,000	244,000
Minimum year of service of employee related to savings plan			1 year
Minimum year of age of employee related to savings plan			21 years
Percent of matching contribution by employer			100.00%
Maximum employer contribution up to a specified percentage of salary			3.00%
Percent of matching contribution by employer up to a specified percentage of salary			50.00%
Another maximum employer contribution up to specified percentage of salary			2.00%
Contribution expense to company for matching program			$ 5,600,000	$ 5,100,000	$ 4,700,000
Cash Equivalents
Defined Benefit Plan Disclosure [Line Items]
Target allocations			2.00%
Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Target allocations			98.00%