v2.4.0.8
Fair Value Measurements (Details) (USD $)
6 Months Ended
Jun. 29, 2013
number
Dec. 29, 2012
Dec. 31, 2011
Fair Value Disclosures [Abstract]      
Number of levels in fair value hierarchy 3    
Fair value of debt $ 468,200,000 $ 533,300,000  
Assets: [Abstracts]      
Available-for-sale securities   2,816,000  
Derivative contracts - assets 2,706,000 710,000  
Total assets 2,706,000 3,526,000  
Liabilities: [Abstracts]      
Derivative contracts - liabilities 1,079,000 1,159,000  
Total liabilities 1,079,000 1,159,000  
Redeemable Noncontrolling Interests [Abstract]      
Redeemable noncontrolling interests 466,024,000 435,175,000 402,050,000
Level 1 [Member]
     
Assets: [Abstracts]      
Available-for-sale securities   0  
Derivative contracts - assets 0 0  
Total assets 0 0  
Liabilities: [Abstracts]      
Derivative contracts - liabilities 0 0  
Total liabilities 0 0  
Redeemable Noncontrolling Interests [Abstract]      
Redeemable noncontrolling interests 0 0  
Level 2 [Member]
     
Assets: [Abstracts]      
Available-for-sale securities   0  
Derivative contracts - assets 2,706,000 710,000  
Total assets 2,706,000 710,000  
Liabilities: [Abstracts]      
Derivative contracts - liabilities 1,079,000 1,159,000  
Total liabilities 1,079,000 1,159,000  
Redeemable Noncontrolling Interests [Abstract]      
Redeemable noncontrolling interests 0 0  
Level 3 [Member]
     
Assets: [Abstracts]      
Available-for-sale securities   2,816,000  
Derivative contracts - assets 0 0  
Total assets 0 2,816,000  
Liabilities: [Abstracts]      
Derivative contracts - liabilities 0 0  
Total liabilities 0 0  
Redeemable Noncontrolling Interests [Abstract]      
Redeemable noncontrolling interests $ 466,024,000 $ 435,175,000