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Fair Value of Financial Assets and Liabilities on a Recurring Basis (Detail) - USD ($)
$ in Thousands
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Level 1 | Executive Savings Plan Investments      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value measured on recurring basis, Assets $ 195,733 $ 155,847 $ 151,936
Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Foreign currency exchange contracts, Assets 6,018 28,643 39,419
Foreign currency exchange contracts, Liabilities 7,256 3,455 1,942
Level 2 | Short-Term Investments      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value measured on recurring basis, Assets 543,242 352,313 282,623
Level 2 | Diesel Fuel Contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value measured on recurring basis, Assets $ 2,183    
Fair value measured on recurring basis, Liabilities   $ 13,952 $ 15,324