Derivative Instruments (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
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value		$ 5,254		$ 5,254		$ 2,162
Foreign Currency Cash Flow Hedge Liability at Fair Value		349		349		15
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value		203		203		0
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value		0		0		317
Derivative Instruments, Gain (Loss) Reclassified from Accumulated AOCL into Income, Effective Portion, Net	[1]	1,763	$ (150)	$ 4,303	$ (5,222)
Length of time inventory sales hedged (in months)				12 months
Derivative Instruments, Gain (Loss) Recognized in AOCL, Effective Portion, Net	[2]	4,791	$ 8,058	$ 7,053	$ 16,665
Fair Value, Measurements, Recurring
Derivative Instruments, Gain (Loss) [Line Items]
Other current assets	[3]	5,457		5,457		2,162
Accrued expenses	[3]	349		349		332
Level 2 | Fair Value, Measurements, Recurring
Derivative Instruments, Gain (Loss) [Line Items]
Other current assets	[3]	5,457		5,457		2,162
Accrued expenses	[3]	$ 349		$ 349		$ 332

[1] The amount represents the reclassification from AOCL into earnings when the hedged item affects earnings, which is when merchandise is converted to cost of sales, exclusive of depreciation and amortization.

[2] The amount represents the change in fair value of derivative contracts.

[3] Level 2 assets and liabilities consist primarily of foreign currency exchange forward contracts.