Benefit Plans (Narrative) (Details) (USD $)	12 Months Ended				12 Months Ended											12 Months Ended			12 Months Ended
	Sep. 29, 2012 Rate	Oct. 01, 2011	Oct. 02, 2010	Dec. 31, 2009 Rate	Sep. 29, 2012 Employee Stock Option [Member]	Sep. 29, 2012 Stock Appreciation Rights (SARs) [Member]	Sep. 29, 2012 Restricted Stock Units (RSUs) [Member]	Sep. 29, 2012 RSUs And SAs [Member]	Oct. 01, 2011 RSUs And SAs [Member]	Oct. 02, 2010 RSUs And SAs [Member]	Sep. 29, 2012 Employee Stock Option and Stock Appreciation Rights [Member]	Oct. 01, 2011 Employee Stock Option and Stock Appreciation Rights [Member]	Oct. 02, 2010 Employee Stock Option and Stock Appreciation Rights [Member]	Sep. 29, 2012 SERP Accounts [Member]	Oct. 01, 2011 SERP Accounts [Member]	Sep. 29, 2012 2008 Long-Term Incentive Plan [Member]	Oct. 02, 2010 2008 Long-Term Incentive Plan [Member]	Feb. 28, 2008 2008 Long-Term Incentive Plan [Member]	Sep. 29, 2012 2008 Long-Term Incentive Plan [Member] Employee Stock Option [Member]	Oct. 01, 2011 2008 Long-Term Incentive Plan [Member] Employee Stock Option [Member]	Oct. 02, 2010 2008 Long-Term Incentive Plan [Member] Employee Stock Option [Member]	Sep. 29, 2012 2008 Long-Term Incentive Plan [Member] Stock Appreciation Rights (SARs) [Member]	Oct. 01, 2011 2008 Long-Term Incentive Plan [Member] Stock Appreciation Rights (SARs) [Member]	Oct. 02, 2010 2008 Long-Term Incentive Plan [Member] Stock Appreciation Rights (SARs) [Member]	Sep. 29, 2012 2008 Long-Term Incentive Plan [Member] Restricted Stock Units (RSUs) [Member]	Oct. 01, 2011 2008 Long-Term Incentive Plan [Member] Restricted Stock Units (RSUs) [Member]	Oct. 02, 2010 2008 Long-Term Incentive Plan [Member] Restricted Stock Units (RSUs) [Member]	Sep. 29, 2012 2008 Long-Term Incentive Plan [Member] Unrestricted Stock Awards (SAs) [Member]	Oct. 01, 2011 2008 Long-Term Incentive Plan [Member] Unrestricted Stock Awards (SAs) [Member]	Oct. 02, 2010 2008 Long-Term Incentive Plan [Member] Unrestricted Stock Awards (SAs) [Member]
Maximum employee contribution to the plan, percentage	4.00%			2.50%
Company's contribution on savings plan	$ 6,900,000	$ 5,800,000	$ 4,900,000
Maximum number of shares authorized under the plan																		5,500,000
Long-term cash awards																4,000,000	900,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					two annual installments	two annual installments	third anniversary of the grant date
Term of stock options					ten years	seven years
Options granted											518,000	641,000	603,000						300,000	300,000	300,000	200,000	300,000	300,000	300,000	100,000	100,000	0	0	0
Compensation expense	12,500,000	11,000,000	9,500,000
Deferred tax benefit		3,700,000	3,200,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value											$ 13.13	$ 13.40	$ 14.25
Fair value of options vested								1,400,000	600,000	500,000	4,300,000	3,600,000	3,100,000
Total intrinsic value of options and SARs exercised											7,600,000	6,500,000	8,500,000
Unrecognized compensation cost								9,200,000			6,300,000
Unrecognized compensation cost, weighted average period of recognition, years								2.07			1.22
Term of deferred compensation agreements	15 years
Contributions to participants' SERP accounts	400,000	300,000	200,000
Assets	1,408,199,000	1,304,525,000												7,700,000	6,200,000
Liabilities														$ 4,800,000	$ 3,900,000