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Warranty Schedule of Product Warranty Liability (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 23, 2019
Feb. 24, 2018
Feb. 23, 2019
Feb. 24, 2018
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]        
Balance at beginning of period $ 41,303 $ 32,500 $ 40,498 $ 30,805
Provision 9,194 10,283 19,951 20,236
Claims paid (10,192) (7,795) (20,144) (16,053)
Balance at end of period $ 40,305 $ 34,988 $ 40,305 $ 34,988