Guarantor And Non-Guarantor Financial Information (Condensed Supplemental Consolidated Statements Of Cash Flows) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Condensed Consolidating Financial Information [Line Items]
Cash Flow from Operating Activities	$ 464	$ 479	$ 327
Additions to property and equipment	(239)	(230)	(160)
Proceeds from disposal of assets	18	30	5
Acquisition of business net of cash acquired	(24)	(55)	(368)
Net cash from investing activities	(245)	(255)	(523)
Proceeds from long-term debt	1,391	2	995
IPO proceeds	438
Payment of TRA	(5)
Proceeds from issuance of common stock	27
Repayment of notes receivable	2
Equity contributions (distributions), net		(6)	(2)
Repayments on long-term borrowings	(1,978)	(175)	(880)
Deferred financing costs	(39)		(23)
Net cash from financing activities	(164)	(179)	90
Net change in cash and cash equivalents	55	45	(106)	(106)
Cash and cash equivalents at beginning of period	87	42	148
Cash and cash equivalents at end of period	142	87	42	148
Parent Company [Member]
Condensed Consolidating Financial Information [Line Items]
Cash Flow from Operating Activities			2
(Contributions) distributions to/from subsidiaries	(462)	16
Net cash from investing activities	(462)	16
IPO proceeds	438
Payment of TRA	(5)
Proceeds from issuance of common stock	27
Repayment of notes receivable	2
Equity contributions (distributions), net			(2)
Repayments on long-term borrowings		(16)
Net cash from financing activities	462	(16)	(2)
Guarantor Subsidiaries [Member]
Condensed Consolidating Financial Information [Line Items]
Cash Flow from Operating Activities	417	504	322
Additions to property and equipment	(218)	(209)	(138)
Proceeds from disposal of assets	17	30	5
Acquisition of business net of cash acquired	(24)	7
Net cash from investing activities	(225)	(172)	(133)
Changes in intercompany balances	(192)	(337)	(186)
Net cash from financing activities	(192)	(337)	(186)
Net change in cash and cash equivalents		(5)		3
Cash and cash equivalents at beginning of period		5	2
Cash and cash equivalents at end of period			5	2
Non-Guarantor Subsidiaries [Member]
Condensed Consolidating Financial Information [Line Items]
Cash Flow from Operating Activities	63	(3)	(11)
Additions to property and equipment	(14)	(12)	(6)
Equity in net income of subsidiaries	(21)	(4)
Investment in Issuer debt securities			(39)
Acquisition of business net of cash acquired		(62)
Net cash from investing activities	(35)	(78)	(45)
Proceeds from long-term debt		2
Repayments on long-term borrowings	(2)
Changes in intercompany balances	(15)	79	20
Contribution from Parent	21	4	39
Net cash from financing activities	4	85	59
Net change in cash and cash equivalents	5	4		3
Cash and cash equivalents at beginning of period	21	17	14
Cash and cash equivalents at end of period	26	21	17	14
Eliminations [Member]
Condensed Consolidating Financial Information [Line Items]
Cash Flow from Operating Activities			(1)
Equity in net income of subsidiaries	21	4
(Contributions) distributions to/from subsidiaries	21	4	39
Intercompany advances (repayments)	(210)	(258)	(166)
Investment in Issuer debt securities			39
Net cash from investing activities	(168)	(250)	(88)
Payment of TRA	5
Repayment of notes receivable	(2)
Equity contributions (distributions), net			1
Repayments on long-term borrowings	(21)	(4)	(39)
Changes in intercompany balances	207	258	166
Contribution from Parent	(21)	(4)	(39)
Net cash from financing activities	168	250	89
Issuer [Member]
Condensed Consolidating Financial Information [Line Items]
Cash Flow from Operating Activities	(16)	(22)	15
Additions to property and equipment	(7)	(9)	(16)
Proceeds from disposal of assets	1
(Contributions) distributions to/from subsidiaries	441	(20)	(39)
Intercompany advances (repayments)	210	258	166
Acquisition of business net of cash acquired			(368)
Net cash from investing activities	645	229	(257)
Proceeds from long-term debt	1,391		995
Payment of TRA	(5)
Repayment of notes receivable	2
Equity contributions (distributions), net		(6)	(1)
Repayments on long-term borrowings	(1,955)	(155)	(841)
Deferred financing costs	(39)		(23)
Net cash from financing activities	(606)	(161)	130
Net change in cash and cash equivalents	50	46		(112)
Cash and cash equivalents at beginning of period	66	20	132
Cash and cash equivalents at end of period	$ 116	$ 66	$ 20	$ 132