Defined Benefit Plans (Details) $ in Thousands, SFr in Millions	3 Months Ended							9 Months Ended				12 Months Ended
	Oct. 29, 2016 USD ($) participant	Oct. 29, 2016 CHF (SFr)	Apr. 30, 2016 USD ($)	Oct. 31, 2015 USD ($)	Oct. 31, 2015 CHF (SFr)	Aug. 01, 2015 USD ($)	May 02, 2015 USD ($)	Oct. 29, 2016 USD ($) participant	Oct. 29, 2016 CHF (SFr)	Oct. 31, 2015 USD ($)	Oct. 31, 2015 CHF (SFr)	Jan. 30, 2016 USD ($)	Oct. 29, 2016 CHF (SFr) participant	Jan. 30, 2016 CHF (SFr)
Components of net periodic defined benefit pension cost
Actuarial gain	$ 0			$ 0				$ 0		$ 11,378
SERP
Components of net periodic defined benefit pension cost
Interest cost	460			498				1,380		1,489
Net amortization of unrecognized prior service credit	0			0				0		(97)
Net amortization of actuarial losses	39			11				116		729
Curtailment gain	0			0				0		(1,651)
Net periodic defined benefit pension cost	$ 499			509				$ 1,496		470
Number of employees considered actively participating under the terms of the SERP | participant	0							0					0
SERP benefit payments	$ 400			400				$ 1,300		1,300
SERP | Executive Chairman of the Board and Chief Creative Officer
Components of net periodic defined benefit pension cost
Curtailment gain						$ (1,651)						$ (1,651)
Actuarial gain						$ 11,378						11,378
Swiss Pension Plan | Switzerland
Components of net periodic defined benefit pension cost
Net periodic defined benefit pension cost	400	SFr 0.4		400	SFr 0.4			1,200	SFr 1.2	1,300	SFr 1.3
Projected benefit obligation	16,400							16,400				15,200	SFr 16.2	SFr 15.6
Plan assets at fair value	13,800							13,800				12,700	13.7	13.0
Other income/expense | SERP
Components of net periodic defined benefit pension cost
Gains (losses) as a result of changes in value of the insurance policy investments, included in other income and expense	(500)			$ (800)				4,600		800
Realized gain resulting from payout on insurance policy investments			$ 100				$ 700	100		$ 700
Other assets | SERP
Components of net periodic defined benefit pension cost
Cash surrender values of the insurance policies held in a rabbi trust	56,700							56,700				52,500
Accrued expenses and other long-term liabilities | SERP
Components of net periodic defined benefit pension cost
Projected benefit obligation	53,600							53,600				53,400
Other long-term liabilities | Swiss Pension Plan | Switzerland
Components of net periodic defined benefit pension cost
Net liability	$ 2,600							$ 2,600				$ 2,500	SFr 2.5	SFr 2.6