Derivative Instruments (Derivative Fair Values on the Condensed Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Apr. 30, 2016	Jan. 30, 2016
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	$ 538	$ 4,097
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	0	69
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
Other liabilities	6,845	0
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
Other liabilities	194	0
Fair Value, Measurements, Recurring
The location and amounts of derivative fair values on the Condensed Consolidated Balance Sheets
Other current assets	538	4,166
Other liabilities	7,039
Level 2 | Fair Value, Measurements, Recurring
The location and amounts of derivative fair values on the Condensed Consolidated Balance Sheets
Other current assets	538	4,166
Other liabilities	$ 7,039	$ 0