Employee Benefit Plans, Pensions, and Other Retiree Benefits 401(k) Plan (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 03, 2014	Sep. 27, 2013	Sep. 28, 2012
Defined Benefit Plan Disclosure [Line Items]
Minimum Age Requirement	21 years
Contribution percentage of employee earnings to retirement plan	4.00%
Contribution Of Common Shares To Savings And Retirement Plans shares	0.2	0.3	0.3
Contribution Of Common Shares To Savings And Retirement Plans	$ 6.2	$ 6.2	$ 6.0