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Long-Term Debt (Details) (USD $)
In Thousands, unless otherwise specified
Apr. 10, 2013
Feb. 02, 2013
Debt Instrument [Line Items]    
Line of credit, maximum borrowing amount $ 50,000 $ 50,000
Percentage of net income which cash dividends cannot exceed.   30.00%
Outstanding letters of credit   4,200
Line of credit, available borrowing amount   $ 45,800