Benefit Plans (Narrative) (Details) (USD $)	12 Months Ended					12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012	Sep. 27, 2014 2008 Long-Term Incentive Plan [Member]	Feb. 28, 2008 2008 Long-Term Incentive Plan [Member]	Sep. 27, 2014 RSUs And SAs [Member]	Sep. 28, 2013 RSUs And SAs [Member]	Sep. 29, 2012 RSUs And SAs [Member]	Sep. 27, 2014 Employee Stock Option and Stock Appreciation Rights [Member]	Sep. 28, 2013 Employee Stock Option and Stock Appreciation Rights [Member]	Sep. 29, 2012 Employee Stock Option and Stock Appreciation Rights [Member]	Sep. 27, 2014 Employee Stock Option [Member]	Sep. 27, 2014 Employee Stock Option [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 28, 2013 Employee Stock Option [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 29, 2012 Employee Stock Option [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 27, 2014 Stock Appreciation Rights (SARs) [Member]	Sep. 27, 2014 Stock Appreciation Rights (SARs) [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 28, 2013 Stock Appreciation Rights (SARs) [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 29, 2012 Stock Appreciation Rights (SARs) [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 27, 2014 Restricted Stock Units (RSUs) [Member]	Sep. 27, 2014 Restricted Stock Units (RSUs) [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 28, 2013 Restricted Stock Units (RSUs) [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 29, 2012 Restricted Stock Units (RSUs) [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 27, 2014 Performance Shares [Member]	Sep. 27, 2014 Performance Shares [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 27, 2014 Unrestricted Stock Awards (SAs) [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 29, 2012 Unrestricted Stock Awards (SAs) [Member] 2008 Long-Term Incentive Plan [Member]	Sep. 27, 2014 RSUs And SAs [Member]	Sep. 27, 2014 SERP Accounts [Member]	Sep. 28, 2013 SERP Accounts [Member]
Company's contribution on savings plan	$ 7,200,000	$ 6,600,000	$ 6,900,000
Maximum number of shares authorized under the plan					5,500,000
Long-term cash awards				4,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period												2 years				2 years				3 years
Term of stock options												ten years				seven years
Granted, Number of Options/SARs									318,000	515,000	518,000		200,000	400,000	300,000		100,000	100,000	200,000		200,000	300,000	300,000		100,000	0	0
Compensation expense	13,000,000	11,800,000	12,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value									$ 15.78	$ 11.88	$ 13.13
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value						700,000	500,000	1,400,000	2,800,000	3,300,000	4,300,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares																					134,215	93,831	193,684				6,000
Total intrinsic value of options and SARs exercised									13,500,000	4,300,000	7,600,000
Unrecognized compensation cost									4,200,000															1,800,000				10,300,000
Unrecognized compensation cost, weighted average period of recognition, years									1 year 2 months 23 days															2 years 3 months 25 days				1 year 10 months 20 days
Term of deferred compensation agreements	15 years
Contributions to participants' SERP accounts	700,000	400,000	400,000
Assets	1,609,026,000	1,447,684,000																											10,900,000	9,100,000
Liabilities																													$ 6,600,000	$ 5,600,000