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Fair Value Measurements (Details) - USD ($)
$ in Thousands
3 Months Ended
May 28, 2016
May 30, 2015
Feb. 27, 2016
Non-financial assets measured on a non-recurring basis      
Outstanding derivative financial instruments $ 0   $ 0
Other assets      
Non-financial assets measured on a non-recurring basis      
Investment at amortized cost 6,567    
Nonrecurring basis      
Non-financial assets measured on a non-recurring basis      
Carrying value of long-lived assets 1,051 $ 1,289  
Impairment charges 619 273  
Nonrecurring basis | Level 1      
Non-financial assets measured on a non-recurring basis      
Carrying value of total long-term indebtedness 6,899,115    
Estimated fair value of total long-term indebtedness 7,228,550    
Nonrecurring basis | Level 3      
Non-financial assets measured on a non-recurring basis      
Fair value of Total 432 1,016  
Fair value of Long-lived assets held for use 432 1,016  
Nonrecurring basis | Fair Value      
Non-financial assets measured on a non-recurring basis      
Fair value of Total 432 1,016  
Fair value of Long-lived assets held for use $ 432 $ 1,016