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LONG-TERM DEBT - Summary of Long-term Debt (Details) - USD ($) |  |  | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 09, 2018 | Jun. 11, 2018 | Sep. 29, 2018 | Sep. 29, 2018 | Jun. 19, 2018 | Dec. 30, 2017 | Oct. 18, 2017 | Oct. 17, 2017
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt issuance costs |  |  | $ (8,138,000) | $ (8,138,000) |  | $ (6,112,000) |  |
Long-term debt |  |  | 737,014,000 | 737,014,000 |  | 754,854,000 |  |
Less current installments of long-term debt |  |  | 829,000 | 829,000 |  | 966,000 |  |
Long-term debt, excluding current installments |  |  | 736,185,000 | 736,185,000 |  | 753,888,000 |  |
Senior Unsecured Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Unamortized discount |  |  | (21,547,000) | (21,547,000) |  | (4,312,000) |  |
Unamortized premium |  |  | 0 | 0 |  | 2,545,000 |  |
Senior Unsecured Notes | Senior Unsecured Notes 5.00% Due 2044 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt, gross |  |  | 450,000,000 | 450,000,000 |  | 250,000,000 |  |
Unamortized discount |  |  | $ (13,992,000) | $ (13,992,000) |  |  |  |
Debt Disclosure, Footnotes [Abstract] |  |  |  |  |  |  |  |
Stated rate |  |  | 5.00% | 5.00% |  |  |  |
Redemption price, percent |  |  |  | 100.00% |  |  |  |
Aggregate amount |  |  | $ 450,000,000 | $ 450,000,000 | $ 200,000,000 |  |  |
Senior Unsecured Notes | Senior Unsecured Notes 5.25% Due 2054 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt, gross |  |  | 305,000,000 | 305,000,000 |  | 250,000,000 |  |
Unamortized discount |  |  | $ (7,555,000) | $ (7,555,000) |  |  |  |
Debt Disclosure, Footnotes [Abstract] |  |  |  |  |  |  |  |
Stated rate |  |  | 5.25% | 5.25% |  |  |  |
Redemption price, percent |  |  |  | 100.00% |  |  |  |
Aggregate amount |  |  | $ 305,000,000 | $ 305,000,000 | $ 55,000,000 |  |  |
Senior Unsecured Notes | Senior Unsecured Notes 6.625% Due 2020 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt, gross |  |  | 0 | 0 |  | 250,200,000 |  |
Debt Disclosure, Footnotes [Abstract] |  |  |  |  |  |  |  |
Redemption of debt, amount | $ 250,200,000 | $ 250,200,000 |  |  |  |  |  |
Repayments of debt |  | 266,000,000 |  |  |  |  |  |
Repayments of debt, unpaid and accrued interest |  | $ 3,600,000 |  |  |  |  |  |
Redemption related expenses |  |  | 14,820,000 |  |  |  |  |
Revolving Credit Agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt, gross |  |  | 0 | 0 |  | 0 |  |
Debt Disclosure, Footnotes [Abstract] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | 600,000,000 | 600,000,000 |  |  |  |
Maximum borrowing capacity, additional |  |  | 200,000,000 | $ 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 |  | $ 8,500,000 |  |
Debt Disclosure, Footnotes [Abstract] |  |  |  |  |  |  |  |
Effective rate |  |  | 2.96% | 2.96% |  | 2.00% |  |
Other Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt, gross |  |  | $ 3,199,000 | $ 3,199,000 |  | $ 4,033,000 |  |
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 | 585,350,000 |  |  |  |
Outstanding balance |  |  | 14,650,000 | 14,650,000 |  |  |  |
Line of Credit | Revolving Credit Agreement |  |  |  |  |  |  |  |
Debt Disclosure, Footnotes [Abstract] |  |  |  |  |  |  |  |
Remaining capacity |  |  | 120,312,000 | 120,312,000 |  |  |  |
Outstanding balance |  |  | $ 123,613,000 | $ 123,613,000 |  |  |  |
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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