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Fair Value of Financial Assets and Liabilities on a Recurring Basis (Detail) - USD ($)
$ in Thousands
Apr. 29, 2017
Jan. 28, 2017
Apr. 30, 2016
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 $ 213,260 $ 195,733 $ 173,523
Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Foreign currency exchange contracts, Assets 20,454 6,018 8,100
Foreign currency exchange contracts, Liabilities 10,473 7,256 37,333
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 457,091 543,242 403,702
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 $ 1,585   $ 4,875