Rabbi Trust Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019	Feb. 01, 2020
Defined Benefit Plan, Plan Assets, Category [Line Items]
Proceeds from Life Insurance Policy	$ 391	$ 805	$ 1,369	$ 2,394
Withdrawal from Rabbi Trust Assets			50,000	$ 0
Fair Value, Recurring [Member]
Defined Benefit Plan, Plan Assets, Category [Line Items]
Restricted Investments, Noncurrent	60,419		60,419		$ 109,049
Fair Value, Recurring [Member] | Level 2
Defined Benefit Plan, Plan Assets, Category [Line Items]
Restricted Investments, Noncurrent	60,418		60,418		109,048
Fair Value, Recurring [Member] | Level 1
Defined Benefit Plan, Plan Assets, Category [Line Items]
Restricted Investments, Noncurrent	$ 1		$ 1		$ 1