Borrowings (Details) (USD $)	3 Months Ended		6 Months Ended					3 Months Ended	6 Months Ended			3 Months Ended										3 Months Ended			3 Months Ended				3 Months Ended			3 Months Ended										3 Months Ended							3 Months Ended			3 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Mar. 29, 2013	Sep. 28, 2012	Feb. 29, 2012	Mar. 29, 2013 Receivables Facility, due January 2015 [Member]	Sep. 28, 2012 Receivables Facility, due January 2015 [Member]	Mar. 29, 2013 Fixed Rate and Floating Rate Notes [Member]	Mar. 29, 2013 Fixed Rate and Floating Rate Notes [Member]	Mar. 07, 2013 Fixed Rate and Floating Rate Notes [Member]	Jan. 26, 2007 Secured Debt [Member] Senior Secured Term Loan Facility Maturing on January 2014 [Member]	Mar. 30, 2012 Term loan	Feb. 29, 2012 Term loan	Mar. 07, 2013 Term loan U.S. dollar denominated and Euro denominated term loans	Mar. 07, 2013 Term loan Yen and Sterling denominated term loans	Mar. 29, 2013 Senior Notes 8 Point 50 Percent Due 2015 [Member]	Sep. 28, 2012 Senior Notes 8 Point 50 Percent Due 2015 [Member]	Jan. 26, 2007 Senior Notes 8 Point 50 Percent Due 2015 [Member]	Mar. 29, 2013 Senior Notes Floating rate notes, due February 2015 [Member]	Sep. 28, 2012 Senior Notes Floating rate notes, due February 2015 [Member]	Jan. 26, 2007 Senior Notes Floating rate notes, due February 2015 [Member]	Mar. 29, 2013 Senior Notes 5 point 75 percent Senior Notes , due 2020 [Member]	Mar. 07, 2013 Senior Notes 5 point 75 percent Senior Notes , due 2020 [Member]	Sep. 28, 2012 Senior Notes 5 point 75 percent Senior Notes , due 2020 [Member]	Dec. 28, 2012 Goldman Sachs capital partners and J.P. Morgan partners	Mar. 30, 2012 Goldman Sachs capital partners and J.P. Morgan partners	Dec. 28, 2012 Amendment Agreement No 3 [Member]	Dec. 20, 2012 Amendment Agreement No 3 [Member] Term loan	Mar. 29, 2013 Term Loan Facility Amendment 4 [Member] Secured Debt [Member]	Mar. 07, 2013 Term Loan Facility Amendment 4 [Member] Secured Debt [Member]	Sep. 28, 2012 Term Loan Facility Amendment 4 [Member] Secured Debt [Member]	Mar. 29, 2013 Term Loan Facility Amendment 4 [Member] GS Capital Partners and J.P. Morgan Partners [Member] Secured Debt [Member]	Mar. 29, 2013 Term Loan Facility Un-Extended [Member] Secured Debt [Member]	Sep. 28, 2012 Term Loan Facility Un-Extended [Member] Secured Debt [Member]	Mar. 29, 2013 Term Loan Facility Extended [Member] Secured Debt [Member]	Sep. 28, 2012 Term Loan Facility Extended [Member] Secured Debt [Member]	Mar. 29, 2013 Revolving Credit Facility [Member] Secured Debt [Member]	Sep. 28, 2012 Revolving Credit Facility [Member] Secured Debt [Member]	Jan. 26, 2007 Revolving Credit Facility [Member] Secured Debt [Member]	Jan. 31, 2008 Revolving Credit Facility [Member] Letter of Credit [Member]	Jan. 26, 2007 Revolving Credit Facility [Member] Letter of Credit [Member]	Mar. 29, 2013 Revolving Credit Facility [Member] GS Capital Partners and J.P. Morgan Partners [Member]	Mar. 29, 2013 Revolving Credit Facility [Member] Amendment Agreement [Member]	Mar. 07, 2013 Revolving Credit Facility [Member] Amendment Agreement [Member]	Mar. 22, 2013 Revolving Credit Facility [Member] Amendment Agreement No 5 [Member]	Mar. 07, 2013 Eurocurrency rate margin [Member] Term Loan Facility Amendment 4 [Member] Secured Debt [Member]	Mar. 07, 2013 Base-rate borrowings [Member] Term loan	Mar. 07, 2013 Base-rate borrowings [Member] Term Loan Facility Amendment 4 [Member] Secured Debt [Member]	Mar. 29, 2013 Registration Default Incremental [Member] Senior Notes 5 point 75 percent Senior Notes , due 2020 [Member]	Mar. 07, 2013 Maximum Revolving Credit Facility [Member] Amendment Agreement [Member]	Mar. 22, 2013 Maximum Revolving Credit Facility [Member] Amendment Agreement No 5 [Member]	Mar. 29, 2013 GS Capital Partners and J.P. Morgan Partners [Member] Senior Notes 5 point 75 percent Senior Notes , due 2020 [Member]	Mar. 07, 2013 Equity Offering [Member] Senior Notes 5 point 75 percent Senior Notes , due 2020 [Member]	Mar. 07, 2013 Make Whole [Member] Senior Notes 5 point 75 percent Senior Notes , due 2020 [Member]	Mar. 07, 2013 Change of Control [Member] Senior Notes 5 point 75 percent Senior Notes , due 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount											$ 4,150,000,000							$ 1,280,000,000			$ 500,000,000
Long-term Debt						300,000,000	263,800,000									0	1,280,000,000		0	500,000,000		1,000,000,000	1,000,000,000	0				650,000,000	1,393,063,000	1,400,000,000	0		0	650,913,000	3,286,495,000	2,637,920,000	146,312,000	0
Debt Instrument, Discount Rate																												0.25%		0.50%
Capital Lease Obligations, Noncurrent	50,338,000		50,338,000	49,584,000
Other Long-term Debt, Noncurrent	48,208,000		48,208,000	31,064,000
Debt Amount Extended													1,231,600,000
Letters of Credit Amendment Amount					66,700,000
Interest Expense, Tender Offer and Call Premium	20,500,000		20,500,000					20,500,000	20,500,000
Borrowed funds extended by subfacility																												670,000,000
Debt instrument, basis spread on variable rate														3.50%	3.50%																															3.00%	2.50%	2.00%
Debt instrument, minimum interest rate																																														1.00%		2.00%
Debt Instrument, Interest Rate Increase														0.25%	0.125%																																0.25%
Payments of Debt Issuance Costs												3,200,000
Payments of Financing Costs		7,500,000	11,600,000																			13,800,000					11,600,000		14,000,000														2,800,000
Line of Credit, Increase in Borrowing Capacity																																													55,000,000
Line/Letter of Credit Facility, Maximum Borrowing Capacity																																							600,000,000	200,000,000	250,000,000			550,000,000							605,000,000
Direct Amendment Costs, Related-party																									4,600,000	4,500,000						6,200,000										600,000										7,300,000
Registration Default Incremental Interest Rate																						0.25%																											0.25%
Extended Revolving Credit Amendment Amount																																																		500,000,000
Debt Instrument, Interest Rate, Stated Percentage																		8.50%					5.75%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum																																																	1.00%
Debt and Capital Lease Obligations	6,224,416,000		6,224,416,000	5,413,281,000
Long-term Debt, Current Maturities	(51,112,000)		(51,112,000)	(37,462,000)
Long-Term Borrowings	6,173,304,000		6,173,304,000	5,375,819,000
Debt Instrument, Tender Offer Premium	3,500,000		3,500,000					3,500,000	3,500,000
Write off of Deferred Debt Issuance Cost	$ 17,000,000		$ 17,000,000					$ 17,000,000	$ 17,000,000
Debt Instruments, Early Redemption Percentage																							0.00%
Debt Instrument, Redemption Price																																																					105.75%
Debt Instrument, Redemption Percentage										100.00%																																												100.00%	101.00%