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Shareholders' Equity and Debt (Debt) (Details) (Line of Credit, Revolving Credit Facility, USD $)
0 Months Ended
Jun. 26, 2014
SunTrust Bank
Jun. 26, 2014
SunTrust Bank
Aug. 31, 2011
Credit Facility, Fifth Amended and Restated Loan Agreement, the Agreement, August 2011
Line of Credit Facility [Line Items]      
Expiration period 3 years    
Line of credit, maximum borrowing capacity   $ 12,000,000 $ 10,000,000
Line of credit, maximum borrowing capacity upon satisfaction of certain conditions   $ 20,000,000  
Interest rate spread, minimum 1.00%    
Interest rate spread, maximum 2.85%    
Line of credit, unused capacity, commitment fee percentage 0.25%