Derivative Financial Instruments (Details 4) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014	Jan. 31, 2015
Other income/expense
Derivative instruments not designated as hedging instruments
Gain on foreign exchange currency contracts recognized in earnings before taxes	$ 2,860	$ 3,984	$ 2,159	$ 1,195
Gain on interest rate swaps recognized in earnings before taxes	47	$ 57	$ 96	$ 132
Derivatives not designated as hedging instruments: | Euro
Derivative instruments not designated as hedging instruments
U.S. dollar forward contracts outstanding, maximum remaining maturity period (in months)			12 months
Derivatives not designated as hedging instruments: | Canadian dollar
Derivative instruments not designated as hedging instruments
U.S. dollar forward contracts outstanding, maximum remaining maturity period (in months)			7 months
Foreign exchange currency contracts | Derivatives not designated as hedging instruments: | Euro
Derivative instruments not designated as hedging instruments
U.S. dollar forward contracts outstanding	81,900		$ 81,900		$ 59,300
Foreign exchange currency contracts | Derivatives not designated as hedging instruments: | Canadian dollar
Derivative instruments not designated as hedging instruments
U.S. dollar forward contracts outstanding	$ 14,300		$ 14,300		$ 19,900