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Income Taxes (Narrative) (Details) (USD $)
12 Months Ended 12 Months Ended 24 Months Ended 12 Months Ended
Mar. 03, 2013
Feb. 26, 2012
Feb. 27, 2011
Feb. 27, 2011
New York [Member]
Mar. 03, 2013
New York [Member]
Feb. 26, 2012
New York [Member]
Mar. 03, 2013
Kansas [Member]
Feb. 26, 2012
Kansas [Member]
Mar. 03, 2013
Indefinite Carryforward Period [Member]
Mar. 03, 2013
Five Year Carryforward Period [Member]
Mar. 03, 2013
Minimum [Member]
New York [Member]
Mar. 03, 2013
Minimum [Member]
Kansas [Member]
Mar. 03, 2013
Maximum [Member]
New York [Member]
Mar. 03, 2013
Maximum [Member]
Kansas [Member]
Feb. 26, 2012
Maximum [Member]
Kansas [Member]
Mar. 03, 2013
Current Liabilities [Member]
Mar. 03, 2013
Other Liabilities [Member]
Mar. 03, 2013
Refund Claim Related To Tax Benefits For Investments In New England Laminates [Member]
Income Tax Disclosure [Line Items]                                    
Federal income tax benefit $ (2,804,000) $ (696,000) $ 2,880,000                              
Change in valuation allowance 804,000 804,000                                
Operating loss carryforwards 35,681,000 32,166,000             30,235,000 5,446,000                
Operating loss carryforwards, carryforward period                   5 years                
Tax credit carryforward         710,000 1,728,000 210,000 210,000                    
Tax credit carryforward, expiration year                     2013 2019 2018 2020 2020      
Valuation allowance for deferred tax assets 12,465,000 11,661,000                                
Tax expense (benefit) 172,000 (194,000) 378,000 (19,000)                            
Unrecognized tax benefits 3,053,000 3,999,000 2,044,000                         164,000 174,000 2,715,000
Income tax penalties and interest accrued 95,000 137,000                                
Minimum unrecognized tax benefits that are reasonably possible to be recognized in 2014 0                                  
Maximum unrecognized tax benefits that are reasonably possible to be recognized in 2014 $ 2,700,000