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Fair Values Of Financial Instruments (Carrying Amount And Fair Value Of Debt) (Details) (USD $)
Jun. 29, 2013
Carrying Amount [Member]
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Estimated fair value of debt $ 934,511.00
Carrying Amount [Member] | Line Of Credit Payable [Member]
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Estimated fair value of debt 3,475.00
Carrying Amount [Member] | Level 2 [Member] | Senior Notes [Member]
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Estimated fair value of debt 700,000.00
Carrying Amount [Member] | Level 2 [Member] | Recovery Zone Facility Bonds [Member]
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Estimated fair value of debt 99,740.00
Carrying Amount [Member] | Level 2 [Member] | Real Estate And Equipment Notes Payable [Member]
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Estimated fair value of debt 131,296.00
Fair Value [Member]
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Estimated fair value of debt 922,472.00
Fair Value [Member] | Line Of Credit Payable [Member]
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Estimated fair value of debt 3,475.00
Fair Value [Member] | Level 2 [Member] | Senior Notes [Member]
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Estimated fair value of debt 687,750.00
Fair Value [Member] | Level 2 [Member] | Recovery Zone Facility Bonds [Member]
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Estimated fair value of debt 99,740.00
Fair Value [Member] | Level 2 [Member] | Real Estate And Equipment Notes Payable [Member]
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Estimated fair value of debt $ 131,507.00