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Income Taxes - Additional Information (Detail) (USD $)
12 Months Ended
Mar. 03, 2012
Feb. 26, 2011
Feb. 27, 2010
Income Taxes [Line Items]      
Capital loss valuation allowance, reversed     $ 6,546,000
Net operating loss carryforwards for state tax purposes 10,134,000    
Payments (refunds) of income taxes 28,693,000 42,428,000 (10,993,000)
Total unrecognized tax benefits 8,854,000 10,395,000  
Unrecognized tax benefits that would impact effective tax rate 3,248,000 4,398,000  
Unrecognized tax benefits reasonably possible decreases resulting from settlements with taxing authorities 600,000    
Income tax examination penalties and interest expense (reversal) (559,000) 76,000 398,000
Income tax examination penalties and interest accrued 2,306,000 2,865,000  
Minimum
     
Income Taxes [Line Items]      
Net operating loss carryforwards, expiration year 2013    
Maximum
     
Income Taxes [Line Items]      
Net operating loss carryforwards, expiration year 2032    
Excess Stock Based Compensation
     
Income Taxes [Line Items]      
Net operating loss carryforwards for state tax purposes $ 3,189,000