Share-Based Compensation (Components Of Share-Based Compensation Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 15, 2018	Apr. 16, 2017	Apr. 15, 2018	Apr. 16, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	$ 3,211	$ 2,583	$ 6,148	$ 6,270
Nonvested stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	2,082	1,584	3,860	3,653
Performance share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	75	397	738	1,187
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	697	312	1,179	1,113
Nonvested stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	7	20	21	47
Deferred Compensation, Share-based Payments [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	$ 350	$ 270	$ 350	$ 270