Summary of Activity and Liability Balances Related to Restructuring (Detail) (USD $) In Thousands	6 Months Ended
	Jul. 30, 2011	Jul. 31, 2010
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 3,996	$ 3,873
Charges	3,270	5,071
Cash payments	(1,694)	(3,539)
Non-cash items		(48)
Ending Balance	5,572	5,357
Severance
Restructuring Cost and Reserve [Line Items]
Beginning Balance	215	3,089
Charges	2,139	1,041
Cash payments	(639)	(2,960)
Ending Balance	1,715	1,170
Lease - Related
Restructuring Cost and Reserve [Line Items]
Beginning Balance	3,781	784
Charges	1,131	4,030
Cash payments	(1,055)	(579)
Non-cash items		(48)
Ending Balance	$ 3,857	$ 4,187