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Fair Value Measurements (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 02, 2017
Aug. 27, 2016
Sep. 02, 2017
Aug. 27, 2016
Mar. 04, 2017
Non-financial assets measured on a non-recurring basis          
Outstanding derivative financial instruments $ 0   $ 0   $ 0
Prepaid expenses and other current assets          
Non-financial assets measured on a non-recurring basis          
Investment at amortized cost         $ 6,874
Other assets          
Non-financial assets measured on a non-recurring basis          
Investment at amortized cost 7,311   7,311    
Nonrecurring basis          
Non-financial assets measured on a non-recurring basis          
Carrying value of long-lived assets 999 $ 2,577 999 $ 2,577  
Impairment charges 35 78 694 697  
Nonrecurring basis | Level 1          
Non-financial assets measured on a non-recurring basis          
Carrying value of total long-term indebtedness 7,082,639   7,082,639    
Estimated fair value of total long-term indebtedness 7,147,454   7,147,454    
Nonrecurring basis | Level 2          
Non-financial assets measured on a non-recurring basis          
Fair value of Total 104 1,023 104 1,023  
Fair value of Long-lived assets held for sale 104 1,023 104 1,023  
Nonrecurring basis | Level 3          
Non-financial assets measured on a non-recurring basis          
Fair value of Total 201 857 201 857  
Fair value of Long-lived assets held for use 201 857 201 857  
Nonrecurring basis | Fair Value          
Non-financial assets measured on a non-recurring basis          
Fair value of Total 305 1,880 305 1,880  
Fair value of Long-lived assets held for use 201 857 201 857  
Fair value of Long-lived assets held for sale $ 104 $ 1,023 $ 104 $ 1,023