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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% |  |  |

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