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Note O - Long-term Debt (Details Textual) - USD ($)
9 Months Ended
Sep. 15, 2015
Mar. 10, 2015
Mar. 10, 2015
Dec. 27, 2015
Dec. 28, 2014
Mar. 29, 2015
Secured Debt [Member] | Option to Redeem at Redemption Price Equal to Percentage of Principal Amount [Member] | Maximum [Member] | In The Event of Certain Equity Offerings [Member]            
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed   35.00%        
Secured Debt [Member] | Option to Redeem Notes at Redemption Price Equal to the Percentage of Principal Amount plus the Applicable Premium [Member] | Applicable Premium if Percentage of Principal Amount is Greater than Treasury Rate Basis Spread [Member]            
Debt Instrument, Applicable Premium, Percentage of Principal Amount   1.00% 1.00%      
Secured Debt [Member] | Option to Redeem Notes at Redemption Price Equal to the Percentage of Principal Amount plus the Applicable Premium [Member] | Applicable Premium if Treasury Rate Basis Spread is Greater than Percentage of Principal Amount [Member] | Treasury Rate [Member]            
Debt Instrument, Applicable Premium, Treasury Rate Basis Spread   0.50% 0.50%      
Secured Debt [Member] | Option to Redeem Notes at Redemption Price Equal to the Percentage of Principal Amount plus the Applicable Premium [Member]            
Debt Instrument, Redemption Price, Percentage   100.00%        
Secured Debt [Member] | In The Event of Certain Equity Offerings [Member]            
Debt Instrument, Redemption Price, Percentage   110.00%        
Secured Debt [Member] | In the Event of Chang of Control Offer [Member]            
Debt Instrument, Redemption Price, Percentage   101.00%        
Secured Debt [Member] | In the Event the Company Sells Certain Assets and Fails to Use the Proceeds as Required [Member]            
Debt Instrument, Redemption Price, Percentage   100.00%        
Secured Debt [Member]            
Debt Instrument, Face Amount   $ 135,000,000 $ 135,000,000      
Debt Instrument, Interest Rate, Stated Percentage   10.00% 10.00%      
Debt Issuance Cost     $ 5,031,000      
Debt Instrument, Term   5 years        
Interest Paid $ 6,937,500          
Debt Instrument, Fixed Charge Coverage Ratio   2 2      
Debt Instrument, Priority Secured Leverage Ratio   0.4 0.4      
Debt Instrument Secured Leverage Ratio   3.75 3.75      
Special Cash Dividend [Member]            
Dividends, Cash     $ 116,100,000      
Debt Instrument, Interest Rate, Stated Percentage       10.00%   10.00%
Interest Paid       $ 6,938,000 $ 0