Stock-Based Compensation Plans Long-Term Incentive Plans (Details) - USD ($) $ in Thousands				12 Months Ended
	Oct. 18, 2017	Oct. 12, 2016	Oct. 14, 2015	Aug. 26, 2017	Aug. 27, 2016	Aug. 29, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense				$ 2,977	$ 3,293	$ 3,097
Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense				$ 86	$ 318	$ 360
Long-Term Incentive Plan [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares awarded		11,419	18,156
Subsequent Event [Member] | Long-Term Incentive Plan [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares awarded	1,939