Fair Value of Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value (Detail) (USD $) In Thousands, unless otherwise specified	Nov. 03, 2013	Jul. 28, 2013	Apr. 28, 2013	Jan. 27, 2013	Oct. 28, 2012	Jul. 29, 2012	Apr. 29, 2012	Jan. 29, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	$ 6,144	$ 6,196	$ 5,954	$ 5,783	$ 5,611	$ 5,482	$ 5,608	$ 5,370
Total financial assets	6,144				5,611
Fair Value Hierarchy Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	6,144				5,611
Deferred compensation plan liabilities	6,041				5,536
Financial Liabilities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial liabilities	$ 6,041				$ 5,536