Impact of Derivative Financial Instruments on Statements of Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 04, 2013	Apr. 28, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ 4,332	$ (4,201)
Intercompany Balances, Primarily Short-Term Debt And Related Interest | Fair Value Hedges | Selling, General And Administrative Expenses
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	6,286	3,652
Diesel Fuel Contracts | Economic Hedges For Which Hedge Accounting Was Not Elected | Cost Of Sales, Including Buying And Occupancy Costs
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(2,961)	2,550
Merchandise Purchase Commitments | Economic Hedges For Which Hedge Accounting Was Not Elected | Cost Of Sales, Including Buying And Occupancy Costs
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ 1,007	$ (10,403)