Retirement Plans (Schedule Of Plan Asset Allocation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended		12 Months Ended									12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014 Domestic equity [Member]	Sep. 28, 2014 International equity [Member]	Sep. 28, 2014 Core fixed funds [Member]	Sep. 28, 2014 Real return bonds [Member]	Sep. 28, 2014 Alternative investments [Member]	Sep. 28, 2014 Real estate [Member]	Sep. 29, 2013 Real estate [Member]	Sep. 28, 2014 Hedge Funds [Member]	Sep. 29, 2013 Hedge Funds [Member]	Sep. 28, 2014 High yield [Member]	Sep. 28, 2014 Commodities [Member]	Sep. 28, 2014 Fair Value, Inputs, Level 2 [Member]	Sep. 29, 2013 Fair Value, Inputs, Level 2 [Member]	Sep. 28, 2014 Fair Value, Inputs, Level 2 [Member] Real estate [Member]		Sep. 29, 2013 Fair Value, Inputs, Level 2 [Member] Real estate [Member]		Sep. 28, 2014 Fair Value, Inputs, Level 2 [Member] Hedge Funds [Member]	Sep. 29, 2013 Fair Value, Inputs, Level 2 [Member] Hedge Funds [Member]	Sep. 28, 2014 Fair Value, Inputs, Level 3 [Member]		Sep. 29, 2013 Fair Value, Inputs, Level 3 [Member]	Sep. 28, 2014 Fair Value, Inputs, Level 3 [Member] Real estate [Member]		Sep. 29, 2013 Fair Value, Inputs, Level 3 [Member] Real estate [Member]		Sep. 30, 2012 Fair Value, Inputs, Level 3 [Member] Real estate [Member]	Sep. 28, 2014 Fair Value, Inputs, Level 3 [Member] Hedge Funds [Member]	Sep. 29, 2013 Fair Value, Inputs, Level 3 [Member] Hedge Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 356,312	$ 336,425						$ 32,593	$ 29,352	$ 12,116	$ 5,008			$ 121,666	$ 86,118	$ 0	[1]	$ 0	[1]	$ 0	$ 0	$ 32,593	[1]	$ 29,352	$ 32,593	[1]	$ 29,352	[1]	$ 25,785	$ 0	$ 0
Percentage of Plan Assets, Debt securities	100.00%		21.00%	21.00%	34.00%	3.00%	4.00%	9.00%				4.00%	4.00%
Asset Allocation, Target, Debt securities	100.00%		23.00%	22.00%	32.00%	4.00%	4.00%	7.00%				4.00%	4.00%
Asset Allocation, Target, Equity securities	100.00%		23.00%	22.00%	32.00%	4.00%	4.00%	7.00%				4.00%	4.00%
Defined Benefit Plan, Target Allocation Percentage of Assets, Other, Range Minimum			12.00%	12.00%	27.00%	0.00%	0.00%	0.00%				0.00%	0.00%
Defined Benefit Plan, Target Allocation Percentage of Assets, Other, Range Maximum			32.00%	32.00%	37.00%	10.00%	10.00%	10.00%					10.00%
Asset Allocation, Minimum, Equity securities			12.00%	12.00%	27.00%	0.00%	0.00%	0.00%				0.00%	0.00%
Asset Allocation, Maximum, Equity securities			32.00%	32.00%	37.00%	10.00%	10.00%	10.00%					10.00%

[1] Real estate is investments in a real estate investment trust for purposes of total return. These investments are valued at unit values provided by the investment managers and their consultants.