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Pension and Savings Plans - Net Periodic Benefit Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 5 Months Ended
Feb. 10, 2018
Feb. 11, 2017
Feb. 10, 2018
Feb. 11, 2017
Retirement Benefits [Abstract]        
Interest cost $ 2,390 $ 2,385 $ 4,780 $ 4,770
Expected return on plan assets (4,384) (4,628) (8,768) (9,257)
Amortization of net loss 2,478 3,201 4,955 6,403
Net periodic pension expense $ 484 $ 958 $ 967 $ 1,916