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Income Taxes (Details 2) (USD $)
In Thousands, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Deferred income tax assets:      
Inventory reserves $ 2,816 $ 3,012  
Compensation-related accruals 5,838 5,979  
Accruals and reserves 92 176  
Accounts receivable 1,327 1,169  
Restructuring costs 118 2,540  
Pension 16,936 13,713  
Benefit from NOL carryovers(1) 52,088 [1] 41,770 [1]  
Other 695 646  
Total gross deferred income tax assets 79,910 69,005  
Less: Valuation allowances (78,050) (66,793) (46,528)
Total net deferred income tax assets 1,860 2,212  
Deferred income tax liabilities:      
Intangible assets (60) (176)  
Property and equipment (1,065) (1,211)  
Pension        
Other (739) (849)  
Total deferred income tax liabilities (1,864) (2,236)  
Deferred income tax assets (liabilities), net $ (4) $ (24)  
[1] Our federal and state NOL carryovers will expire over 1 to 20 years.