Defined Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019	Feb. 01, 2020
SERP
Defined Benefit Plans
SERP benefit payments	$ 300	$ 400	$ 800	$ 800
Components of net periodic defined benefit pension cost
Service cost	0	0	0	0
Interest cost	320	481	639	962
Expected return on plan assets	0	0	0	0
Net amortization of unrecognized prior service credit	0	0	0	0
Net amortization of actuarial losses	10	15	20	31
Net periodic defined benefit pension cost	330	496	659	993
SERP | Other income/expense
Defined Benefit Plans
Gain (loss) as a result of changes in value of the insurance policy investments, included in other income (expense)	5,100	(200)	2,000	3,000
Pension
Components of net periodic defined benefit pension cost
Service cost	766	808	1,530	1,615
Interest cost	327	548	654	1,097
Expected return on plan assets	(45)	(78)	(90)	(155)
Net amortization of unrecognized prior service credit	(16)	(9)	(32)	(19)
Net amortization of actuarial losses	97	111	193	222
Net periodic defined benefit pension cost	1,129	1,380	2,255	2,760
Pension | Foreign Plan
Defined Benefit Plans
Projected benefit obligation	36,200		36,200		$ 34,800
Plan assets at fair value	29,800		29,800		28,900
Components of net periodic defined benefit pension cost
Service cost	766	808	1,530	1,615
Interest cost	7	67	15	135
Expected return on plan assets	(45)	(78)	(90)	(155)
Net amortization of unrecognized prior service credit	(16)	(9)	(32)	(19)
Net amortization of actuarial losses	87	96	173	191
Net periodic defined benefit pension cost	799	$ 884	1,596	$ 1,767
Other assets | SERP
Defined Benefit Plans
Cash surrender values of the insurance policies held in a rabbi trust	68,800		68,800		67,700
Accrued expenses and other long-term liabilities | SERP
Defined Benefit Plans
Projected benefit obligation	51,700		51,700		51,900
Other long-term liabilities | Pension | Foreign Plan
Defined Benefit Plans
Net liability	$ 6,400		$ 6,400		$ 5,900