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Pension and Savings Plans (Tables)
 3 Months Ended
Nov. 18, 2017
Retirement Benefits [Abstract]  
Net Periodic Benefit Expense

The components of net periodic pension expense related to the Company’s pension plans consisted of the following:

 

     Twelve Weeks Ended  

(in thousands)

    November 18,
2017		      November 19,
2016		  

Interest cost

    $ 2,390      $ 2,385  

Expected return on plan assets

      (4,384 )       (4,628 ) 

Amortization of net loss

      2,477        3,201  
  

 

 

     

 

 

  

Net periodic pension expense

    $ 483      $ 958