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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
May 28, 2016
May 30, 2015
Feb. 27, 2016
Income Taxes      
Income tax (benefit) expense $ (6,309) $ 12,441  
Estimated effective tax rate (as a percent) 57.90% 39.80%  
Increase in estimated effective tax rate (as a percent) 13.30%    
Valuation allowance against net deferred tax assets $ 210,074   $ 212,023