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Components of Earnings Before Income Taxes, by Tax Jurisdiction (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 03, 2013
Jan. 29, 2012
Jan. 30, 2011
Schedule of Income Before Income Tax [Line Items]      
United States $ 401,542 $ 367,620 $ 308,033
Foreign 8,414 14,210 15,027
Earnings before income taxes $ 409,956 $ 381,830 $ 323,060