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

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after accumulated amortization, of debt discount.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Gross amount of debt extinguished.

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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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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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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts 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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LONG-TERM DEBT - Summary of Long-term Debt (Details) - USD ($)		3 Months Ended	6 Months Ended
	Jun. 11, 2018	Sep. 29, 2018	Jun. 30, 2018	Dec. 30, 2017	Oct. 18, 2017	Oct. 17, 2017
Debt Instrument [Line Items]
Debt issuance costs			$ (8,167,000)	$ (6,112,000)
Long-term debt			989,383,000	754,854,000
Less current installments of long-term debt			253,081,000	966,000
Long-term debt, excluding current installments			$ 736,302,000	753,888,000
Debt Disclosure, Footnotes [Abstract]
Redemption price, percent			100.00%
Senior Unsecured Notes
Debt Instrument [Line Items]
Unamortized discount			$ (21,624,000)	(4,312,000)
Unamortized premium			2,018,000	2,545,000
Senior Unsecured Notes \| Senior Unsecured Notes 5.00% Due 2044
Debt Instrument [Line Items]
Long-term debt, gross			450,000,000	250,000,000
Unamortized discount			$ (14,053,000)
Debt Disclosure, Footnotes [Abstract]
Stated rate			5.00%
Redemption price, percent			100.00%
Aggregate amount			$ 450,000,000
Senior Unsecured Notes \| Senior Unsecured Notes 5.25% Due 2054
Debt Instrument [Line Items]
Long-term debt, gross			305,000,000	250,000,000
Unamortized discount			$ (7,571,000)
Debt Disclosure, Footnotes [Abstract]
Stated rate			5.25%
Redemption price, percent			100.00%
Aggregate amount			$ 305,000,000
Senior Unsecured Notes \| Senior Unsecured Notes 6.625% Due 2020
Debt Instrument [Line Items]
Long-term debt, gross			250,200,000	250,200,000
Unamortized premium			$ 2,018,000
Debt Disclosure, Footnotes [Abstract]
Stated rate			6.625%
Redemption of debt, amount	$ 250,200,000
Repayments of debt	266,000,000
Repayments of debt, unpaid and accrued interest	$ 3,600,000
Revolving Credit Agreement
Debt Instrument [Line Items]
Long-term debt, gross			$ 0	0
Debt Disclosure, Footnotes [Abstract]
Maximum borrowing capacity			600,000,000
Maximum borrowing capacity, additional			$ 200,000,000
Revolving Credit Agreement \| LIBOR \| Minimum
Debt Disclosure, Footnotes [Abstract]
Basis spread on variable rate			1.00%
Revolving Credit Agreement \| LIBOR \| Maximum
Debt Disclosure, Footnotes [Abstract]
Basis spread on variable rate			1.625%
IDR Bonds
Debt Instrument [Line Items]
Long-term debt, gross			$ 8,500,000	$ 8,500,000
Debt Disclosure, Footnotes [Abstract]
Effective rate			2.96%	2.00%
Other Notes
Debt Instrument [Line Items]
Long-term debt, gross			$ 3,456,000	$ 4,033,000
Subsequent Event \| Senior Unsecured Notes \| Senior Unsecured Notes 6.625% Due 2020
Debt Disclosure, Footnotes [Abstract]
Redemption related expenses		$ 14,800,000
Foreign Line of Credit \| Revolving Credit Agreement
Debt Disclosure, Footnotes [Abstract]
Maximum borrowing capacity					$ 400,000,000	$ 200,000,000
Letter of Credit \| Revolving Credit Agreement
Debt Disclosure, Footnotes [Abstract]
Remaining capacity			585,350,000
Outstanding balance			14,650,000
Line of Credit \| Revolving Credit Agreement
Debt Disclosure, Footnotes [Abstract]
Remaining capacity			110,670,000
Outstanding balance			$ 110,940,000
Scenario One \| Revolving Credit Agreement \| Federal Funds Rate
Debt Disclosure, Footnotes [Abstract]
Basis spread on variable rate			0.50%
Scenario Two \| Revolving Credit Agreement \| 1-Month LIBOR Rate
Debt Disclosure, Footnotes [Abstract]
Basis spread on variable rate			1.00%
Scenario Three \| Revolving Credit Agreement \| Minimum
Debt Disclosure, Footnotes [Abstract]
Basis spread on variable rate			0.00%
Scenario Three \| Revolving Credit Agreement \| Maximum
Debt Disclosure, Footnotes [Abstract]
Basis spread on variable rate			0.625%