Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Detail)

v2.4.0.8
Fair Value Measurements - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 28, 2014
Jun. 29, 2013
Jun. 28, 2014
Jun. 29, 2013
Dec. 28, 2013
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  
Assets transfer into or out of level 1 and level 2 0   0    
Liabilities transfer into or out of level 1 and level 2 0   0    
Impairment loss on property and equipment 0 4,832 0 4,832  
Impairment loss on intangible assets   0      
Property and equipment 17,936   17,936   19,663
Intangible assets 1,828   1,828   1,601
Computer software (purchased and developed) [Member]
         
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Impairment loss on property and equipment   4,832      
Level 3 [Member] | Fair Value, Measurements, Non-Recurring [Member]
         
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Impairment loss   6,077      
Impairment loss on intangible assets   1,245      
Intangible assets   1,769   1,769  
Level 3 [Member] | Fair Value, Measurements, Non-Recurring [Member] | Computer software (purchased and developed) [Member]
         
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Impairment loss on property and equipment   4,832      
Property and equipment   $ 5,975   $ 5,975