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Commitments And Contingencies (Narrative) (Details) (USD $)
0 Months Ended 12 Months Ended
Aug. 05, 2011
Dec. 31, 2011
Jan. 01, 2011
Jan. 02, 2010
Commitments And Contingencies [Line Items]        
Approximate royalty expense incurred   $ 160,200,000 $ 109,400,000 $ 73,900,000
Approximate rent expense   107,300,000 88,600,000 77,600,000
Approximate contingent rent expense   9,000,000 3,800,000 1,800,000
Total purchase obligations   281,500,000    
Asset retirement obligations   4,100,000    
Litigation Settlement, Gross 8,700,000      
Common Stock Issued Upon Legal Settlement   $ 7,833,000    
Stock Option Litigation Settlement 32,000      
Minimum [Member]
       
Commitments And Contingencies [Line Items]        
Royalty payment in percentage   4.00%    
Maximum [Member]
       
Commitments And Contingencies [Line Items]        
Royalty payment in percentage   20.00%