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Condensed Consolidated Stockholders' Statement of Equity Condensed Consolidated Stockholders' Statement of Equity (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Nov. 24, 2018
Nov. 25, 2017
Statement of Stockholders' Equity [Abstract]    
Dividends paid per common share $ 0.10 $ 0.10
Amortization of net actuarial loss, tax $ 3 $ 4
Change in fair value of interest rate swap, tax $ 7 $ 387