Derivative Instruments (Derivative Fair Values on the Condensed Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	3 Months Ended
	May 05, 2018	Feb. 03, 2018
Derivatives, Fair Value [Line Items]
Document Period End Date	May 05, 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	$ 5,924	$ 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	154	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	1,151	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	15	39
Fair Value, Measurements, Recurring
The location and amounts of derivative fair values on the Condensed Consolidated Balance Sheets
Other current assets	6,078	37
Accrued expenses	1,166	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	6,078	37
Accrued expenses	$ 1,166	$ 9,147