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LONG-TERM DEBT (Details) (USD $) |  |  | 9 Months Ended |  | 9 Months Ended |  | 1 Months Ended |  |  | 9 Months Ended |  |  | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 27, 2014 | Dec. 28, 2013 | Sep. 27, 2014 5.00% senior unsecured notes due 2044 | Sep. 22, 2014 5.00% senior unsecured notes due 2044 | Sep. 27, 2014 5.25% senior unsecured notes due 2054 | Sep. 22, 2014 5.25% senior unsecured notes due 2054 | Sep. 27, 2014 6.625% senior unsecured notes due in April 2020 | Sep. 22, 2014 6.625% senior unsecured notes due in April 2020 | Dec. 28, 2013 6.625% senior unsecured notes due in April 2020 | Sep. 27, 2014 Revolving credit agreement | Oct. 21, 2014 Revolving credit agreement Subsequent event | Oct. 17, 2014 Revolving credit agreement Subsequent event | Sep. 27, 2014 Revolving credit agreement LIBOR | Sep. 27, 2014 Revolving credit agreement LIBOR Minimum | Sep. 27, 2014 Revolving credit agreement LIBOR Maximum | Sep. 27, 2014 Revolving credit agreement Prime lending rate | Sep. 27, 2014 Revolving credit agreement Federal Funds rate | Sep. 27, 2014 IDR Bonds | Dec. 28, 2013 IDR Bonds | Sep. 27, 2014 Other notes | Dec. 28, 2013 Other notes
Long-term debt: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  | $ 250,000,000 |  | $ 250,000,000 | $ 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate on notes (as a percent) |  |  | 5.00% | 5.00% | 5.25% | 5.25% | 6.625% | 6.625% | 6.625% |  |  |  |  |  |  |  |  |  |  |  |
Repurchase amount through partial tender offer |  |  |  |  |  |  | 199,800,000 | 199,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Total long-term debt | 768,799,000 | 471,109,000 | 250,000,000 |  | 250,000,000 |  | 250,200,000 | 250,200,000 | 450,000,000 |  |  |  |  |  |  |  |  | 8,500,000 | 8,500,000 | 8,909,000 | 1,368,000
Unamortized discount on 5.00% and 5.25% senior unsecured notes | (4,460,000) |  | 1,160,000 |  | 3,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized premium on 6.625% senior unsecured notes |  |  |  |  |  |  | 5,650,000 |  | 11,241,000 |  |  |  |  |  |  |  |  |  |  |  |
Unamortized premium on senior unsecured notes recognized as income |  |  |  |  |  |  | (4,439,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Less current installments of long-term debt | 188,000 | 202,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, excluding current installments | 768,611,000 | 470,907,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price of notes, stated as a percentage of principal amount (as a percent) |  |  | 100.00% |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash prepayment expenses |  |  |  |  |  |  | 41,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  | 400,000,000 |  | 600,000,000 |  |  |  |  |  |  |  |  |
Increase in borrowing capacity, maximum |  |  |  |  |  |  |  |  |  | 200,000,000 |  |  |  |  |  |  |  |  |  |  |
Variable interest rate basis |  |  |  |  |  |  |  |  |  |  |  |  | LIBOR (based on a 1, 2, 3 or 6 month interest period, as selected by the Company) |  |  | Prime lending rate | Federal Funds Rate |  |  |  |
Basis points added to variable rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% | 1.00% | 1.625% |  | 0.50% |  |  |  |
Variable interest rate, base period |  |  |  |  |  |  |  |  |  |  |  |  | 1 month |  |  |  |  |  |  |  |
Additional borrowing capacity |  |  |  |  |  |  |  |  |  |  | 582,400,000 |  |  |  |  |  |  |  |  |  |
Standby letters of credit outstanding |  |  |  |  |  |  |  |  |  |  | 17,600,000 |  |  |  |  |  |  |  |  |  |
Effective interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.20% | 0.21% |  |
Minimum aggregate maturities of long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 | 1,262,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2015 | 1,265,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2016 | 1,050,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 | 1,050,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 | $ 1,050,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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