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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Face (par) amount of debt instrument at time of issuance.

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The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2014	Sep. 28, 2014	Dec. 29, 2013
Debt Disclosure [Line Items]
Total principal long-term debt	$ 4,521,576us-gaap_DebtInstrumentCarryingAmount		$ 3,744,067us-gaap_DebtInstrumentCarryingAmount
Other (fair market value adjustments and discounts)	(25,694)		(31,167)
Total long-term debt	4,495,882us-gaap_LongTermDebt		3,712,900us-gaap_LongTermDebt
Less current portion of long-term debt maturities of VIE loans	7,854us-gaap_LongTermDebtCurrent		5,890us-gaap_LongTermDebtCurrent
Long-term debt, net of current portion	4,488,028us-gaap_LongTermDebtNoncurrent		3,707,010us-gaap_LongTermDebtNoncurrent
Unsecured floating rate term loan due quarterly through August 2018
Debt Disclosure [Line Items]
Total principal long-term debt	123,200		154,800
VIE unsecured floating rate term loans due quarterly through December 2018
Debt Disclosure [Line Items]
Total principal long-term debt	33,379		39,270
Unsecured notes bearing fixed rate interest at 8.75% due November 2014
Debt Disclosure [Line Items]
Total principal long-term debt	0		250,000
Unsecured notes bearing fixed rate interest at 10% due June 2015
Debt Disclosure [Line Items]
Total principal long-term debt	66,568		66,568
Unsecured notes bearing fixed rate interest at 6.375% due September 2015
Debt Disclosure [Line Items]
Total principal long-term debt	250,000		250,000
Unsecured notes bearing fixed rate interest at 10% due April 2016
Debt Disclosure [Line Items]
Total principal long-term debt	193,429		193,429
Unsecured notes bearing fixed rate interest at 9.375% due November 2017
Debt Disclosure [Line Items]
Total principal long-term debt	0		250,000
Borrowings under revolving credit agreement expiring August 2018
Debt Disclosure [Line Items]
Total principal long-term debt	640,000		0
Unsecured notes bearing fixed rate interest at 7.125% due September 2018
Debt Disclosure [Line Items]
Total principal long-term debt	250,000		250,000
Unsecured notes bearing fixed rate interest at 5.125% due October 2019
Debt Disclosure [Line Items]
Total principal long-term debt	600,000		600,000
Unsecured notes bearing fixed rate interest at 5.125% due July 2020
Debt Disclosure [Line Items]
Total principal long-term debt	600,000		600,000
Unsecured notes bearing fixed rate interest at 4.875% due September 2021
Debt Disclosure [Line Items]
Total principal long-term debt	350,000	350,000	0
Unsecured notes bearing fixed rate interest at 6.375% due October 2023
Debt Disclosure [Line Items]
Total principal long-term debt	650,000		650,000
Unsecured notes bearing fixed rate interest at 5.50% due September 2024
Debt Disclosure [Line Items]
Total principal long-term debt	325,000	325,000	0
Unsecured notes bearing fixed rate interest at 7.75% due June 2027
Debt Disclosure [Line Items]
Total principal long-term debt	200,000		200,000
Unsecured notes bearing fixed rate interest at 7.25% due September 2027
Debt Disclosure [Line Items]
Total principal long-term debt	$ 240,000		$ 240,000