Annual report pursuant to Section 13 and 15(d)

Organization and Significant Accounting Policies (Details Textual)

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Organization and Significant Accounting Policies (Details Textual) (USD $)
12 Months Ended
Sep. 29, 2012
Sep. 24, 2011
Sep. 25, 2010
Organization and Significant Accounting Policies (Textual) [Abstract]      
Noncontrolling interest owned by the subsidiary 20.00%    
Shipping and handling costs included in net sales $ 4,800,000 $ 2,700,000 $ 1,200,000
Cost of shipping and handling included in selling, general and administrative expenses 54,600,000 49,700,000 48,600,000
Advertising expenses 54,400,000 39,600,000 35,900,000
Employees benefit plan 2,100,000 2,100,000 1,900,000
Valuation allowances related to net deferred tax assets 7,300,000 7,500,000  
Undistributed foreign earnings 0    
Impairment charge to its indefinite-lived intangible assets     12,000,000
Owned Percentage in unconsolidated Entities 50.00%    
Equity income 700,000 900,000 600,000
Investment in unconsolidated companies 1,300,000 900,000  
Excess loss insurance that covers any health care claims 700,000    
Stock-based compensation 7,510,000 7,447,000 5,556,000
Stock-Based Compensation after tax 4,700,000 4,400,000 3,500,000
Building [Member]
     
Organization and Significant Accounting Policies (Additional Textual) [Abstract]      
Useful life 30 years    
Maximum [Member]
     
Organization and Significant Accounting Policies (Additional Textual) [Abstract]      
Maturity period of debt instruments 3 months    
Maturity date of Investments 1 year    
General liability and vehicle liability insurance policies 350,000    
Maximum [Member] | Equipment and Capitalized Software [Member]
     
Organization and Significant Accounting Policies (Additional Textual) [Abstract]      
Useful life 10 years    
Minimum [Member]
     
Organization and Significant Accounting Policies (Additional Textual) [Abstract]      
Maturity date of Investments 3 months    
General liability and vehicle liability insurance policies $ 250,000    
Minimum [Member] | Equipment and Capitalized Software [Member]
     
Organization and Significant Accounting Policies (Additional Textual) [Abstract]      
Useful life 3 years    
Class A Common Stock [Member]
     
Organization and Significant Accounting Policies (Additional Textual) [Abstract]      
401(k) matching contributions made in Class A common stock 230,000 190,000 198,000