Derivatives (Textuals) (Details)	9 Months Ended
	Oct. 27, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Additional time period in which forecasted transaction is not expected to occur (in months)	2 months
Maximum length of time inventory sales hedged (in months)	13 months
Period in which intercompany inventory sales recognized (in months)	2 months