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Long-Term Debt, Exclusive of Current Installments (Detail) - USD ($)
$ in Thousands
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Debt Instrument [Line Items]      
Debt issuance cost $ (14,649) $ (9,051)  
Long-term debt 2,227,599 1,615,003 $ 1,615,003
6.95% Ten-Year Notes      
Debt Instrument [Line Items]      
Long-term debt   374,777  
2.50% Ten-Year Notes      
Debt Instrument [Line Items]      
Long-term debt 499,722 499,677  
2.75% Seven-Year Notes      
Debt Instrument [Line Items]      
Long-term debt 749,675 $ 749,600  
2.25% Ten-Year Notes      
Debt Instrument [Line Items]      
Long-term debt $ 992,851