Impact of Derivative Financial Instruments on Statements of Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ 12,704	$ (3,195)	$ 1,791	$ 10,716
Intercompany Balances Primarily Debt And Related Interest | Fair Value Hedges | Selling, General And Administrative Expenses
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	1,842	1,504	5,720	3,367
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	(5,614)	(2,012)	(4,709)	(2,767)
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	$ 16,476	$ (2,687)	$ 780	$ 10,116