Derivative Instruments (Derivative Fair Values on the Condensed Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Aug. 04, 2018	Feb. 03, 2018
Foreign currency exchange forward contracts | Other current assets | Designated As Hedging Instrument
The location and amounts of derivative fair values on the Condensed Consolidated Balance Sheets
Other current assets	$ 12,198	$ 37
Foreign currency exchange forward contracts | Other current assets | Not Designated as Hedging Instruments
The location and amounts of derivative fair values on the Condensed Consolidated Balance Sheets
Other current assets	145	0
Foreign currency exchange forward contracts | Accrued expenses | Designated As Hedging Instrument
The location and amounts of derivative fair values on the Condensed Consolidated Balance Sheets
Accrued expenses	28	9,108
Foreign currency exchange forward contracts | Accrued expenses | Not Designated as Hedging Instruments
The location and amounts of derivative fair values on the Condensed Consolidated Balance Sheets
Accrued expenses	0	39
Fair Value, Measurements, Recurring
The location and amounts of derivative fair values on the Condensed Consolidated Balance Sheets
Other current assets	12,343	37
Accrued expenses	28	9,147
Level 2 | Fair Value, Measurements, Recurring
The location and amounts of derivative fair values on the Condensed Consolidated Balance Sheets
Other current assets	12,343	37
Accrued expenses	$ 28	$ 9,147