Retirement Plans - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Contributions to the Executive Plan	$ 0	$ 0	$ 0
Executive Deferred Compensation Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Vested participant balances are included in other long-term liabilities	2	2
Employee Savings Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Employees age limit	21 years
Contributions, net of forfeitures	$ 1.2	$ 1.1	$ 1.0