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7. Long Term Debt (Details) (USD $)
In Millions, unless otherwise specified
Aug. 04, 2013
7. Long Term Debt (Details) [Line Items]  
Line of Credit Facility, Current Borrowing Capacity $ 13.0
Line of Credit Facility, Maximum Borrowing Capacity 15.0
Standby Letters of Credit [Member]
 
7. Long Term Debt (Details) [Line Items]  
Line of Credit Facility, Current Borrowing Capacity $ 2.0