Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Additional Information (Detail)

v2.4.0.8
Fair Value Measurements - Additional Information (Detail) (USD $)
 3 Months Ended 12 Months Ended
Jun. 29, 2013
Dec. 29, 2012
Dec. 31, 2011
Dec. 28, 2013
Dec. 29, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Transfers into or out of level 1 and level 2 assets       $ 0 $ 0
Redemption rate of ARPS       100.00%  
Impairment loss on property and equipment 4,832,000 1,960,000   4,832,000 1,960,000
Impairment loss on intangible assets subject to amortization 1,245,000 1,745,000   0  
Impairment loss on goodwill   18,854,000     18,854,000
Impairment loss on intangible assets   3,868,000 5,138,000    
Investments - ARPS [Member]
          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Investment in ARPS classified as fair value of long-term available for-sale-securities     2,104,000    
Securities and investments, unrealized losses     (21,000)    
Level 3 [Member]
          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Securities and investments, unrealized losses         21,000
Level 3 [Member] | Fair value, measurements, non-recurring [Member]
          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Impairment loss on property and equipment   1,960,000   4,832,000  
Impairment loss on intangible assets subject to amortization       1,245,000  
Impairment loss   26,427,000      
Impairment loss on goodwill   18,854,000      
Impairment loss on intangible assets   $ 5,613,000