Derivative Instruments (Fair Value by Balance Sheet Location) (Details) - USD ($) $ in Thousands	Jan. 31, 2016	Feb. 01, 2015
Derivatives, Fair Value [Line Items]
Commodity futures contracts		$ 1,811
Agricultural Commodity Futures Contracts [Member]
Derivatives, Fair Value [Line Items]
Commodity futures contracts		874
Gasoline Commodity Futures Contracts [Member]
Derivatives, Fair Value [Line Items]
Commodity futures contracts		937
Accrued Liabilities [Member] | Agricultural Commodity Futures Contracts [Member]
Derivatives, Fair Value [Line Items]
Commodity futures contracts		874
Accrued Liabilities [Member] | Gasoline Commodity Futures Contracts [Member]
Derivatives, Fair Value [Line Items]
Commodity futures contracts		$ 937