COMMITMENTS AND CONTINGENCIES (Details) (USD $)	4 Months Ended	9 Months Ended
Nov. 10, 2012	Nov. 10, 2012	Nov. 12, 2011
Commitments And Contingencies [Abstract]
Proceeds from lease financing obligation	$ 2,800,000	$ 2,817,000	$ 0
Lease Financing Obligation - Long Term	2,800,000	2,800,000
Letters of Credit Outstanding, Amount	$ 13,800,000	$ 13,800,000

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