Defined Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018	Feb. 02, 2019
SERP
Defined Benefit Plans
SERP benefit payments	$ 400	$ 400	$ 1,300	$ 1,300
Components of net periodic defined benefit pension cost
Service cost	0	0	0	0
Interest cost	481	471	1,443	1,415
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	15	47	46	140
Net periodic defined benefit pension cost	496	518	1,489	1,555
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)	2,000	(2,300)	5,000	(1,600)
Pension
Components of net periodic defined benefit pension cost
Service cost	809	730	2,424	2,224
Interest cost	549	525	1,646	1,579
Expected return on plan assets	(78)	(72)	(233)	(221)
Net amortization of unrecognized prior service credit	(10)	(7)	(29)	(21)
Net amortization of actuarial losses	112	150	334	453
Net periodic defined benefit pension cost	1,382	1,326	4,142	4,014
Pension | Foreign Plan
Defined Benefit Plans
Projected benefit obligation	38,800		38,800		$ 31,100
Plan assets at fair value	32,400		32,400		25,400
Components of net periodic defined benefit pension cost
Service cost	809	730	2,424	2,224
Interest cost	68	54	203	164
Expected return on plan assets	(78)	(72)	(233)	(221)
Net amortization of unrecognized prior service credit	(10)	(7)	(29)	(21)
Net amortization of actuarial losses	97	103	288	313
Net periodic defined benefit pension cost	886	$ 808	2,653	$ 2,459
Other assets | SERP
Defined Benefit Plans
Cash surrender values of the insurance policies held in a rabbi trust	65,400		65,400		61,700
Accrued expenses and other long-term liabilities | SERP
Defined Benefit Plans
Projected benefit obligation	52,300		52,300		52,200
Other long-term liabilities | Pension | Foreign Plan
Defined Benefit Plans
Net liability	$ 6,400		$ 6,400		$ 5,700