Derivative Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	May 02, 2015	Jan. 31, 2015
ASSETS:
Derivatives, assets	$ 12,131	$ 15,542
LIABILITIES:
Derivatives, liabilities	2,662	270
Derivatives designated as hedging instruments: | Foreign exchange currency contracts | Other current assets | Cash flow hedges
ASSETS:
Derivatives, assets	3,255	6,597
Derivatives designated as hedging instruments: | Foreign exchange currency contracts | Accrued expenses | Cash flow hedges
LIABILITIES:
Derivatives, liabilities	1,514	0
Derivatives not designated as hedging instruments:
LIABILITIES:
Derivatives, liabilities	1,148	270
Derivatives not designated as hedging instruments: | Foreign exchange currency contracts | Other current assets
ASSETS:
Derivatives, assets	8,876	8,945
Derivatives not designated as hedging instruments: | Foreign exchange currency contracts | Accrued expenses
LIABILITIES:
Derivatives, liabilities	930	0
Derivatives not designated as hedging instruments: | Interest rate swaps | Accrued expenses/Other long-term liabilities
LIABILITIES:
Derivatives, liabilities	$ 218	$ 270