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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Apr. 27, 2012
Guarantor Obligations [Line Items]  
Proceeds received from legal settlement $ 3,000
Total guarantee of lease agreement 901
Financial Standby Letter of Credit [Member]
 
Guarantor Obligations [Line Items]  
Standby letters of credit 28,606
Third party lease guarantees [Member]
 
Guarantor Obligations [Line Items]  
Remaining life of lease with guaranteed payments (in years) 1.4Y
Annual lease payments under operating lease agreement 361
Total guarantee of lease agreement 511
Indemnification agreement Logan's [Member]
 
Guarantor Obligations [Line Items]  
Remaining life of lease with guaranteed payments (in years) 7.9Y
Annual lease payments under operating lease agreement $ 108