Long-Term Borrowings - Summary of Long-Term Borrowings (Parenthetical) (Details)	12 Months Ended
Sep. 29, 2018	Sep. 30, 2017
Senior Notes [Member] \| 5.5% Senior Notes due June 1, 2024 [Member]
Debt Instrument [Line Items]
Stated interest rate (in hundredths)	5.50%	5.50%
Maturity date	Jun. 01, 2024
Senior Notes [Member] \| 5.75% Senior Notes due March 1, 2025 [Member]
Debt Instrument [Line Items]
Stated interest rate (in hundredths)	5.75%	5.75%
Maturity date	Mar. 01, 2025
Senior Notes [Member] \| 5.875% Senior Notes due March 1, 2027 [Member]
Debt Instrument [Line Items]
Stated interest rate (in hundredths)	5.875%	5.875%
Maturity date	Mar. 01, 2027
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maturity date	Mar. 03, 2021
Revolving Credit Facility [Member] \| Revolving Credit Facility due March 3, 2021 [Member]
Debt Instrument [Line Items]
Maturity date	Mar. 03, 2021

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-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

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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-Section 50
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