Defined Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018	Feb. 02, 2019
SERP
Defined Benefit Plans
SERP benefit payments	$ 400	$ 400	$ 800	$ 800
Components of net periodic defined benefit pension cost
Service cost	0	0	0	0
Interest cost	481	472	962	944
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	46	31	93
Net periodic defined benefit pension cost	496	518	993	1,037
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)	(200)	1,700	3,000	700
Pension
Components of net periodic defined benefit pension cost
Service cost	808	754	1,615	1,494
Interest cost	548	527	1,097	1,054
Expected return on plan assets	(78)	(75)	(155)	(149)
Net amortization of unrecognized prior service credit	(9)	(7)	(19)	(14)
Net amortization of actuarial losses	111	151	222	303
Net periodic defined benefit pension cost	1,380	1,350	2,760	2,688
Pension | Foreign Plan
Defined Benefit Plans
Projected benefit obligation	33,600		33,600		$ 31,100
Plan assets at fair value	27,400		27,400		25,400
Components of net periodic defined benefit pension cost
Service cost	808	754	1,615	1,494
Interest cost	67	55	135	110
Expected return on plan assets	(78)	(75)	(155)	(149)
Net amortization of unrecognized prior service credit	(9)	(7)	(19)	(14)
Net amortization of actuarial losses	96	105	191	210
Net periodic defined benefit pension cost	884	$ 832	1,767	$ 1,651
Other assets | SERP
Defined Benefit Plans
Cash surrender values of the insurance policies held in a rabbi trust	63,900		63,900		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	$ 6,200		$ 6,200		$ 5,700