Defined Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	May 04, 2019	May 05, 2018	Feb. 02, 2019
SERP
Defined Benefit Plans
SERP benefit payments	$ 400	$ 400
Components of net periodic defined benefit pension cost
Service cost	0	0
Interest cost	481	472
Expected return on plan assets	0	0
Net amortization of unrecognized prior service credit	0	0
Net amortization of actuarial losses	16	47
Net periodic defined benefit pension cost	497	519
SERP | Other income
Defined Benefit Plans
Gain (loss) as a result of changes in value of the insurance policy investments, included in other income	3,200	(1,100)
Pension
Components of net periodic defined benefit pension cost
Service cost	807	740
Interest cost	549	527
Expected return on plan assets	(77)	(74)
Net amortization of unrecognized prior service credit	(10)	(7)
Net amortization of actuarial losses	111	152
Net periodic defined benefit pension cost	1,380	1,338
Pension | Foreign Plan
Defined Benefit Plans
Projected benefit obligation	31,000		$ 31,100
Plan assets at fair value	25,200		25,400
Components of net periodic defined benefit pension cost
Service cost	807	740
Interest cost	68	55
Expected return on plan assets	(77)	(74)
Net amortization of unrecognized prior service credit	(10)	(7)
Net amortization of actuarial losses	95	105
Net periodic defined benefit pension cost	883	$ 819
Other assets | SERP
Defined Benefit Plans
Cash surrender values of the insurance policies held in a rabbi trust	64,500		61,700
Accrued expenses and other long-term liabilities | SERP
Defined Benefit Plans
Projected benefit obligation	52,200		52,200
Other long-term liabilities | Pension | Foreign Plan
Defined Benefit Plans
Net liability	$ 5,800		$ 5,700