Debt - Components of Total Debt (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 30, 2017
Debt Instrument [Line Items]
Total debt	$ 3,599,305	$ 3,757,281
Current portion of long-term debt	(101,458)	(109,226)
Long-term debt	$ 3,497,847	3,648,055
Amended and Restated 2016 Term Loan
Debt Instrument [Line Items]
Interest Rate at June 30, 2018	4.09%
Total debt	$ 2,149,395	2,157,037
Unamortized deferred financing costs	$ 6,605	9,963
Senior Notes
Debt Instrument [Line Items]
Interest Rate at June 30, 2018	5.88%
Total debt	$ 594,248	593,771
Unamortized deferred financing costs	5,752	6,229
Obligations under capital leases
Debt Instrument [Line Items]
Total debt	$ 350,289	336,603
ABL Facility
Debt Instrument [Line Items]
Interest Rate at June 30, 2018	6.50%
Total debt	$ 26,000	80,000
2012 ABS Facility
Debt Instrument [Line Items]
Interest Rate at June 30, 2018	3.09%
Total debt	$ 470,000	580,000
Other debt
Debt Instrument [Line Items]
Total debt	$ 9,373	$ 9,870
Minimum \| Obligations under capital leases
Debt Instrument [Line Items]
Interest Rate at June 30, 2018	2.36%
Minimum \| Other debt
Debt Instrument [Line Items]
Interest Rate at June 30, 2018	5.75%
Maximum \| Obligations under capital leases
Debt Instrument [Line Items]
Interest Rate at June 30, 2018	6.18%
Maximum \| Other debt
Debt Instrument [Line Items]
Interest Rate at June 30, 2018	9.00%

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

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- Definition

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.

+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Amount of long-term debt and capital lease obligations including current maturities.

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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