Average Shares Outstanding (Reconciliation Of Basic Weighted-Average Shares Outstanding To Diluted Weighted-Average Shares Outstanding) (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Apr. 10, 2016	Apr. 12, 2015	Apr. 10, 2016	Apr. 12, 2015
Average Shares Outstanding [Line Items]
Weighted Average Number of Shares Outstanding, Basic	33,656	37,970	34,686	38,353
Weighted-average shares outstanding - diluted	34,177	38,566	35,256	39,039
Excluded from diluted weighted-average shares outstanding, Antidilutive	223	0	194	78
Excluded from Diluted Weighted-Average Shares, Performance Conditions Not Satisfied	2	6	2	14
Stock Options [Member]
Average Shares Outstanding [Line Items]
Effect of potentially dilutive securities	156	246	166	337
Nonvested Stock Awards And Units [Member]
Average Shares Outstanding [Line Items]
Effect of potentially dilutive securities	242	190	280	195
Performance-Vested Stock Awards [Member]
Average Shares Outstanding [Line Items]
Effect of potentially dilutive securities	123	160	124	154