Financial Instruments and Risk Management, Bank Debt and Senior Notes (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Jun. 28, 2014	Sep. 28, 2013
Bank Debt and Senior Notes [Abstract]
Fair Value of Senior Notes	$ 1,175,443	$ 1,174,067
7.5% Senior Notes due October 1, 2018 [Member]
Bank Debt and Senior Notes [Abstract]
Fair Value of Senior Notes	0	533,799
Stated interest rate (in hundredths)	7.50%
Maturity date	Oct. 01, 2018
7.375% Senior Notes due March 15, 2020 [Member]
Bank Debt and Senior Notes [Abstract]
Fair Value of Senior Notes	264,250	268,125
Stated interest rate (in hundredths)	7.375%
Maturity date	Mar. 15, 2020
7.375% Senior Notes due August 1, 2021 [Member]
Bank Debt and Senior Notes [Abstract]
Fair Value of Senior Notes	378,565	372,143
Stated interest rate (in hundredths)	7.375%
Maturity date	Aug. 01, 2021
5.50% senior notes due June 1, 2024 [Member]
Bank Debt and Senior Notes [Abstract]
Fair Value of Senior Notes	$ 532,628	$ 0
Stated interest rate (in hundredths)	5.50%
Maturity date	Jul. 01, 2024

Contractual interest rate for funds borrowed, under the debt agreement.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

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Data Type:	xbrli:stringItemType
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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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