Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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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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The average effective interest rate during the reporting period.

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Minimum contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Weighted average interest rate of debt outstanding.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The amount of debt and related accrued interest included in liabilities subject to compromise.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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No definition available.

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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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The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

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No definition available.

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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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No definition available.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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The increase to the minimum contractual interest rate related to the Term Facilities for funds borrowed under the debt agreement in the event of a specified decrease in the Company's corporate credit rating.

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No definition available.

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Amount of obligation to make a mandatory excess cash flow prepayment under the terms of a credit agreement.

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No definition available.

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Maximum amount of offer to prepay at a discount to par in aggregate principal amount of term loans outstanding.

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No definition available.

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Discount rate, equal to or greater than, accepted with offer to prepay at a discount to par in aggregate principal amount of term loans outstanding.

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The cash outflow during the period from the prepayment of aggregate short-term and / or long-term debt.

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Write-off of unamortized deferred financing fees in connection with a credit facility amendment.

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Long-Term Debt - Additional Information (Detail) - USD ($)							1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
	Jul. 14, 2015	Jun. 26, 2015	Jun. 17, 2015	Mar. 25, 2015	Mar. 13, 2015	Feb. 21, 2014	Apr. 30, 2013	Oct. 03, 2015	Sep. 27, 2014	Jun. 29, 2013	Oct. 03, 2015	Sep. 27, 2014	Jan. 03, 2015	Jun. 22, 2015	Mar. 20, 2015	Sep. 26, 2014	Apr. 02, 2013
Debt Instrument
Fees incurred in connection with debt refinancing										$ 44,817,000
Payments of term loan							$ 2,399,904,000				$ 104,863,000	$ 18,000,000
Write-off of deferred financing fees										$ 21,685,000
Gain on early debt extinguishment								$ (50,000)	$ 0		11,426,000	$ 0
Credit facility drew down amount	$ 48,000,000
Credit Facility, aggregate principal amount outstanding								$ 2,239,823,000			$ 2,239,823,000		$ 2,358,000,000
Additional applicable margin in the event the Company receives a corporate rating of BB- from S&P (or lower) and a corporate rating of Ba3 from Moody's (or lower)								0.25%			0.25%
Average interest rate on debt								3.92%			3.92%		3.90%
Average interest rate on debt											5.01%		4.93%
Tranche B-1 Term Facility due April 2, 2016
Debt Instrument
WWI Credit Facility, maximum borrowing capacity																	$ 300,000,000
Fees incurred in connection with debt refinancing		$ 641,000		$ 601,000
Write-off of deferred financing fees		321,000		326,000
Prepayment of accepted offers		77,225,000		57,389,000
Accrued and unpaid interest on the amount to be prepaid		84,862,000		63,065,000
Reduction in obligation				59,728,000
Debt instrument, voluntary prepayment				2,500,000
Gain on early debt extinguishment		$ 6,677,000		$ 4,749,000
Credit Facility, aggregate principal amount outstanding								$ 144,323,000			$ 144,323,000		$ 294,750,000
Tranche B-1 Term Facility due April 2, 2016 \| London Interbank Offered Rate (LIBOR)
Debt Instrument
WWI Credit Facility, additional interest rate						2.75%					3.00%
Tranche B-1 Term Facility due April 2, 2016 \| Maximum
Debt Instrument
Aggregate principal amount, discount par value			$ 229,000,000		$ 75,000,000
Tranche B-1 Term Facility due April 2, 2016 \| Minimum
Debt Instrument
Debt instrument, interest rate, effective percentage														9.00%	9.00%
Tranche B-2 Term Facility due April 2, 2020
Debt Instrument
WWI Credit Facility, maximum borrowing capacity																	2,100,000,000
Credit Facility, aggregate principal amount outstanding								2,047,500,000			$ 2,047,500,000		2,063,250,000
Tranche B-2 Term Facility due April 2, 2020 \| London Interbank Offered Rate (LIBOR)
Debt Instrument
WWI Credit Facility, minimum interest rate											0.75%
WWI Credit Facility, additional interest rate						3.00%					3.25%
Tranche B-2 Term Facility due April 2, 2020 \| Base Rate Plus
Debt Instrument
WWI Credit Facility, minimum interest rate											1.75%
Term B Loan due January 26, 2014
Debt Instrument
Payments of term loan							128,759,000
Term C Loan due June 30, 2015
Debt Instrument
Payments of term loan							110,602,000
Term D Loan due June 30, 2016
Debt Instrument
Payments of term loan							117,612,000
Term E Loan due March 15, 2017
Debt Instrument
Payments of term loan							1,125,044,000
Term F Loan due March 15, 2019
Debt Instrument
Payments of term loan							817,887,000
Revolver A-1 Loan due June 30, 2014
Debt Instrument
Payments of term loan							21,247,000
Revolver A-2 Loan due March 15, 2017
Debt Instrument
Payments of term loan							$ 78,753,000
Term Loan Facility
Debt Instrument
Debt outstanding amount																	2,400,000,000
WWI Credit Facility
Debt Instrument
Credit Facility, aggregate principal amount outstanding								2,191,823,000			$ 2,191,823,000
Revolving Facility due April 2, 2018
Debt Instrument
WWI Credit Facility, maximum borrowing capacity																$ 50,000,000	250,000,000
Credit facility available amount								181,000			181,000						$ 248,848,000
Write-off of deferred financing fees related to amendment									$ 1,583,000
Credit Facility, aggregate principal amount outstanding								48,000,000			48,000,000		$ 0
Loan outstanding under the revolving facility								48,000,000			48,000,000
Line of credit facility, issued but undrawn letters of credit								$ 1,819,000			$ 1,819,000
Revolving credit facility, commitment fee on unused commitments											0.50%
Revolving Facility due April 2, 2018 \| London Interbank Offered Rate (LIBOR)
Debt Instrument
WWI Credit Facility, additional interest rate											2.50%