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Long-Term Debt, Exclusive of Current Installments (Detail) - USD ($)
$ in Thousands
Aug. 01, 2015
Jan. 31, 2015
Aug. 02, 2014
Debt Instrument [Line Items]      
Long-term debt $ 1,623,959 $ 1,623,864 $ 1,623,769
6.95% Ten-Year Notes      
Debt Instrument [Line Items]      
Long-term debt 374,742 374,706 374,671
2.50% Ten-Year Notes      
Debt Instrument [Line Items]      
Long-term debt 499,654 499,633 499,611
2.75% Seven-Year Notes      
Debt Instrument [Line Items]      
Long-term debt $ 749,563 $ 749,525 $ 749,487