Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v2.4.0.8
Income Taxes - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Income Taxes [Line Items]      
Likelihood of being realized upon ultimate settlement Greater than 50 percent likelihood of being realized upon ultimate settlement.    
Material unrecognized tax benefits interest or penalties $ 0    
Effective tax rate (0.30%) 2.50% 9.10%
Change in valuation allowance 6,621 14,080 5,728
Impairment loss on intangible assets     5,138
Annual usage limitation 135    
Amount of tax benefit of the federal and state NOL carryforwards which was created by the exercise of stock options 219    
Valuation allowance 43,509 36,896  
Accrued expenses related to income taxes payable 26 25  
Whitney Automotive Group (WAG) [Member]
     
Income Taxes [Line Items]      
Net operating loss 2,690    
Federal [Member]
     
Income Taxes [Line Items]      
Net operating loss 50,809    
NOL carryforwards expire date 2029    
State [Member]
     
Income Taxes [Line Items]      
Net operating loss $ 65,779    
NOL carryforwards expire date 2016