Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified			6 Months Ended
Mar. 30, 2013 Self-Insurance [Member]	Sep. 29, 2012 Self-Insurance [Member]	Mar. 30, 2013 Legal Matters [Member]
Loss Contingencies [Line Items]
Accrued insurance liabilities	$ 60,641	$ 54,551
Portion of the estimated self-insurance liability that exceeds insurance deductibles	19,262	17,522
Amount agreed to settle litigation involving alleged product liability			$ 4,500

The carrying amount as of the balance sheet date of a recorded receivable related to a loss contingency accrual. For example, an insurance recovery receivable to the extent that the insurance recovery is probable and does not exceed the amount of the loss previously recognized in the financial statements.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 460

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248

Name:	us-gaap_LossContingencyRelatedReceivableCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant