Fair Market Values for Cash and Marketable Securities (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Cash and cash equivalents:
Cash and cash equivalents	$ 418,933	$ 509,119	$ 719,545	$ 667,593
Short-term investments:
Short-term investments	10,002	121,873
Fair Value, Measurements, Recurring
Cash and cash equivalents:
Cash and cash equivalents	418,933	509,119
Short-term investments:
Short-term investments	10,002	121,873
Total	428,935	630,992
Fair Value, Measurements, Recurring | Cash
Cash and cash equivalents:
Cash and cash equivalents	330,013	257,191
Fair Value, Measurements, Recurring | Money-market
Cash and cash equivalents:
Cash and cash equivalents	25,696	221,929
Fair Value, Measurements, Recurring | Treasury bills
Cash and cash equivalents:
Cash and cash equivalents	63,224
Short-term investments:
Short-term investments	10,002	109,305
Fair Value, Measurements, Recurring | Commercial paper
Cash and cash equivalents:
Cash and cash equivalents		29,999
Fair Value, Measurements, Recurring | Term-deposits
Short-term investments:
Short-term investments		$ 12,568