Letter of Credit Facilities (Details) (Letter of Credit [Member], USD $) In Thousands, unless otherwise specified	Jul. 28, 2012	Jan. 28, 2012
Letter of Credit [Member]
Borrowings and availability under letter of credit facilities
Total letter of credit facilities	$ 55,314	$ 55,314
Outstanding letters of credit	(4,535)	(4,555)
Total letters of credit available	$ 50,779	$ 50,759

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant