Retirement Plans (Contributions Expected To Be Paid In The Next Fiscal Year And The Projected Benefit Payments) (Details) (USD $) In Thousands	Oct. 02, 2011
Qualified Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated net contributions during fiscal 2012	$ 3,381
2012	11,299
2013	11,705
2014	12,170
2015	12,779
2016	13,651
2017-2021	92,420
Postretirement Health Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated net contributions during fiscal 2012	1,395
2012	1,395
2013	1,440
2014	1,499
2015	1,547
2016	1,600
2017-2021	$ 9,801

The amount of the aggregate benefits expected to be paid in the five fiscal years thereafter (the aggregate amount of benefits expected to be paid in years 6 through 10 after the date of the latest statement of financial position).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant