EMPLOYEE BENEFIT PLANS (Details) (USD $) | 12 Months Ended |
Dec. 29, 2013 | Dec. 30, 2012 | Dec. 25, 2011 |
Defined Benefit Plan Disclosure [Line Items] | ' | ' | ' |
Number of years taken for calculation of benefit plan | '5 years | ' | ' |
Age of employees before 2006 to take post retirement health benefits | '50 years | ' | ' |
Age of employees who retire after 2007 | '65 years | ' | ' |
Change in plan assets [Roll Forward] | ' | ' | ' |
Company contributions | $2,436,000 | $1,979,000 | $2,070,000 |
Amounts recognized in accumulated other comprehensive loss [Abstract] | ' | ' | ' |
Current year change, Total | -16,085,000 | 2,757,000 | 20,687,000 |
Weighted-average assumptions used to determine net periodic benefit cost [Abstract] | ' | ' | ' |
Rate of compensation increases (in hundredths) | 6.75% | ' | ' |
Assumed health care cost trend rate used in measuring the postretirement benefit obligation for retirees (in hundredths) | 9.00% | ' | ' |
Assumed health care cost trend rate, grading down (in hundredths) | 5.00% | ' | ' |
1% change in the assumed health care cost trend rate [Abstract] | ' | ' | ' |
Effect of 1% increase on total of service and interest cost components | 10,000 | ' | ' |
Effect of 1% decrease on total of service and interest cost components | -9,000 | ' | ' |
Effect of 1% increase on postretirement benefit obligation | 197,000 | ' | ' |
Effect of 1% decrease on postretirement benefit obligation | -191,000 | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 111,945,000 | 102,602,000 | ' |
Fair value of plan assets, Net | 111,945,000 | 102,602,000 | ' |
Pension plan weighted average asset allocations, by asset category [Abstract] | ' | ' | ' |
Pension plan weighted average asset allocations (in hundredths) | 100.00% | 100.00% | ' |
Asset mix guidelines for the plan [Abstract] | ' | ' | ' |
Contributions to defined benefit pension plan | 2,436,000 | 1,979,000 | 2,070,000 |
Benefit payments, which are expected to be paid with future contributions | ' | ' | ' |
Percentage of eligible wages of employees, on pre-tax basis (in hundredths) | 50.00% | ' | ' |
Percentage of eligible wages of employees, on after-tax basis (in hundredths) | 50.00% | ' | ' |
Maximum combined total contribution for employees wages (in hundredths) | 50.00% | ' | ' |
Contribution of each dollar by the participant | ' | 0.5 | ' |
Contributions recorded as operating expense | 2,436,000 | 1,979,000 | 2,070,000 |
Pension Benefits [Member] | ' | ' | ' |
Change in benefit obligations [Roll Forward] | ' | ' | ' |
Benefit obligation at beginning of year | 182,004,000 | 171,028,000 | ' |
Service cost | 0 | 0 | 0 |
Interest cost | 7,009,000 | 7,578,000 | 7,850,000 |
Actuarial (gain) loss | -15,365,000 | 12,322,000 | ' |
Benefits paid | -9,156,000 | -8,924,000 | ' |
Benefit obligation at end of year | 164,492,000 | 182,004,000 | 171,028,000 |
Change in plan assets [Roll Forward] | ' | ' | ' |
Fair value of plan assets at beginning of year | 102,602,000 | 96,699,000 | ' |
Actual gain (loss) on plan assets | 15,386,000 | 11,672,000 | ' |
Company contributions | 3,114,000 | 3,155,000 | ' |
Benefits paid | -9,156,000 | -8,924,000 | ' |
Fair value of plan assets at end of year | 111,946,000 | 102,602,000 | 96,699,000 |
Funded status | -52,546,000 | -79,402,000 | ' |
Amounts recognized in consolidated balance sheets [Abstract] | ' | ' | ' |
Current liabilities | -491,000 | -476,000 | ' |
Noncurrent liabilities | -52,055,000 | -78,926,000 | ' |
Total | -52,546,000 | -79,402,000 | ' |
Amounts recognized in accumulated other comprehensive loss [Abstract] | ' | ' | ' |
Actuarial Loss, Net | 67,004,000 | 93,217,000 | ' |
Current year change, Actuarial Loss Net | -26,213,000 | ' | ' |
Prior Service Credit | -38,000 | -48,000 | ' |
Current year change, Prior Service Credit | 10,000 | ' | ' |
Deferred Income Taxes | -26,900,000 | -37,052,000 | ' |
Current year change, Deferred Income Taxes | 10,152,000 | ' | ' |
Total | 40,066,000 | 56,117,000 | ' |
Current year change, Total | -16,051,000 | ' | ' |
Accumulated benefit obligation for pension plans | 164,492,000 | 182,004,000 | ' |
Components of net periodic benefit (income) costs [Abstract] | ' | ' | ' |
Service cost | 0 | 0 | 0 |
Interest cost | 7,009,000 | 7,578,000 | 7,850,000 |
Expected return on plan assets | -7,325,000 | -8,454,000 | -9,594,000 |
Amortization of: | ' | ' | ' |
Unrecognized prior service credit | -10,000 | -10,000 | -10,000 |
Unrecognized net loss | 2,787,000 | 2,038,000 | 979,000 |
Net periodic benefit cost included in operating costs and expenses and selling and administrative expenses, Total | 2,461,000 | 1,152,000 | -775,000 |
Unrecognized net loss and prior service credit for, accumulated other comprehensive income into net periodic benefit cost over the next fiscal year | 2,122,000 | -10,000 | ' |
Weighted-average assumptions used to determine benefit obligations [Abstract] | ' | ' | ' |
Discount rate (in hundredths) | 4.75% | 3.95% | ' |
Rate of compensation increases (in hundredths) | 0.00% | 0.00% | ' |
Weighted-average assumptions used to determine net periodic benefit cost [Abstract] | ' | ' | ' |
Discount rate (in hundredths) | 3.95% | 4.55% | 5.35% |
Expected return on plan assets (in hundredths) | 7.25% | 7.75% | 8.25% |
Rate of compensation increases (in hundredths) | 0.00% | 0.00% | 0.00% |
Asset mix guidelines for the plan [Abstract] | ' | ' | ' |
Contributions to defined benefit pension plan | 3,114,000 | 3,155,000 | ' |
Benefit payments, which are expected to be paid with future contributions | ' | ' | ' |
2014 | 9,399,000 | ' | ' |
2015 | 9,669,000 | ' | ' |
2016 | 9,869,000 | ' | ' |
2017 | 10,015,000 | ' | ' |
2018 | 10,142,000 | ' | ' |
2019-2023 | 52,740,000 | ' | ' |
Contributions recorded as operating expense | 3,114,000 | 3,155,000 | ' |
Other Postretirement Benefits [Member] | ' | ' | ' |
Change in benefit obligations [Roll Forward] | ' | ' | ' |
Benefit obligation at beginning of year | 14,608,000 | 17,274,000 | ' |
Service cost | 55,000 | 14,000 | 53,000 |
Interest cost | 380,000 | 630,000 | 827,000 |
Actuarial (gain) loss | -277,000 | -2,010,000 | ' |
Benefits paid | -1,669,000 | -1,300,000 | ' |
Benefit obligation at end of year | 13,097,000 | 14,608,000 | 17,274,000 |
Change in plan assets [Roll Forward] | ' | ' | ' |
Fair value of plan assets at beginning of year | 0 | 0 | ' |
Actual gain (loss) on plan assets | 0 | 0 | ' |
Company contributions | 1,669,000 | 1,300,000 | ' |
Benefits paid | -1,669,000 | -1,300,000 | ' |
Fair value of plan assets at end of year | 0 | 0 | 0 |
Funded status | -13,097,000 | -14,608,000 | ' |
Amounts recognized in consolidated balance sheets [Abstract] | ' | ' | ' |
Current liabilities | -1,568,000 | -1,645,000 | ' |
Noncurrent liabilities | -11,529,000 | -12,963,000 | ' |
Total | -13,097,000 | -14,608,000 | ' |
Amounts recognized in accumulated other comprehensive loss [Abstract] | ' | ' | ' |
Actuarial Loss, Net | -94,000 | 183,000 | ' |
Current year change, Actuarial Loss Net | -277,000 | ' | ' |
Prior Service Credit | -564,000 | -783,000 | ' |
Current year change, Prior Service Credit | 219,000 | ' | ' |
Deferred Income Taxes | 246,000 | 222,000 | ' |
Current year change, Deferred Income Taxes | 24,000 | ' | ' |
Total | -412,000 | -378,000 | ' |
Current year change, Total | -34,000 | ' | ' |
Components of net periodic benefit (income) costs [Abstract] | ' | ' | ' |
Service cost | 55,000 | 14,000 | 53,000 |
Interest cost | 380,000 | 630,000 | 827,000 |
Amortization of: | ' | ' | ' |
Unrecognized prior service credit | -219,000 | -219,000 | -219,000 |
Unrecognized net transition obligation | 0 | 546,000 | 549,000 |
Unrecognized net loss | 0 | 188,000 | 0 |
Net periodic benefit cost included in operating costs and expenses and selling and administrative expenses, Total | 216,000 | 1,159,000 | 1,210,000 |
Prior service credit and transition obligation for, other accumulated comprehensive income into net periodic benefit cost over the next fiscal year | -219,000 | 0 | ' |
Weighted-average assumptions used to determine benefit obligations [Abstract] | ' | ' | ' |
Discount rate (in hundredths) | 3.55% | 2.75% | ' |
Rate of compensation increases (in hundredths) | 0.00% | 0.00% | ' |
Weighted-average assumptions used to determine net periodic benefit cost [Abstract] | ' | ' | ' |
Discount rate (in hundredths) | 2.75% | 3.85% | 4.95% |
Expected return on plan assets (in hundredths) | 0.00% | 0.00% | 0.00% |
Rate of compensation increases (in hundredths) | 0.00% | 0.00% | 0.00% |
Asset mix guidelines for the plan [Abstract] | ' | ' | ' |
Contributions to defined benefit pension plan | 1,669,000 | 1,300,000 | ' |
Benefit payments, which are expected to be paid with future contributions | ' | ' | ' |
2014 | 1,568,000 | ' | ' |
2015 | 1,545,000 | ' | ' |
2016 | 1,509,000 | ' | ' |
2017 | 1,524,000 | ' | ' |
2018 | 1,485,000 | ' | ' |
2019-2023 | 5,241,000 | ' | ' |
Contributions recorded as operating expense | 1,669,000 | 1,300,000 | ' |
Qualified Defined Benefit Pension Plan [Member] | ' | ' | ' |
Change in plan assets [Roll Forward] | ' | ' | ' |
Company contributions | 2,710,000 | ' | ' |
Asset mix guidelines for the plan [Abstract] | ' | ' | ' |
Contributions to defined benefit pension plan | 2,710,000 | ' | ' |
Benefit payments, which are expected to be paid with future contributions | ' | ' | ' |
Contributions recorded as operating expense | 2,710,000 | ' | ' |
Unfunded Non-Qualified Pension Plan [Member] | ' | ' | ' |
Change in plan assets [Roll Forward] | ' | ' | ' |
Company contributions | 404,000 | ' | ' |
Asset mix guidelines for the plan [Abstract] | ' | ' | ' |
Contributions to defined benefit pension plan | 404,000 | ' | ' |
Expected contribution to pension plan in 2014 | 491,000 | ' | ' |
Benefit payments, which are expected to be paid with future contributions | ' | ' | ' |
Contributions recorded as operating expense | 404,000 | ' | ' |
MAP - 21 [Member] | ' | ' | ' |
Asset mix guidelines for the plan [Abstract] | ' | ' | ' |
Expected contribution to pension plan in 2014 | 0 | ' | ' |
Cash [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | ' | 715,000 | ' |
Mutual funds [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 111,205,000 | 89,430,000 | ' |
Money-market fund [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 740,000 | 7,000 | ' |
Collective trust fund [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | ' | 12,450,000 | ' |
Equity securities [Member] | ' | ' | ' |
Pension plan weighted average asset allocations, by asset category [Abstract] | ' | ' | ' |
Pension plan weighted average asset allocations (in hundredths) | 42.20% | 65.20% | ' |
U.S. Equity [Member] | ' | ' | ' |
Asset mix guidelines for the plan [Abstract] | ' | ' | ' |
Target (in hundredths) | 33.00% | ' | ' |
Non- U.S. Equity [Member] | ' | ' | ' |
Asset mix guidelines for the plan [Abstract] | ' | ' | ' |
Target (in hundredths) | 33.00% | ' | ' |
Global Equity [Member] | ' | ' | ' |
Asset mix guidelines for the plan [Abstract] | ' | ' | ' |
Target (in hundredths) | 34.00% | ' | ' |
Fixed-income securities [Member] | ' | ' | ' |
Pension plan weighted average asset allocations, by asset category [Abstract] | ' | ' | ' |
Pension plan weighted average asset allocations (in hundredths) | 57.20% | 34.90% | ' |
Other [Member] | ' | ' | ' |
Pension plan weighted average asset allocations, by asset category [Abstract] | ' | ' | ' |
Pension plan weighted average asset allocations (in hundredths) | 0.60% | -0.10% | ' |
Minimum [Member] | ' | ' | ' |
Benefit payments, which are expected to be paid with future contributions | ' | ' | ' |
Percentage of eligible wages of employees, on pre-tax basis (in hundredths) | ' | 3.50% | ' |
Maximum [Member] | ' | ' | ' |
Benefit payments, which are expected to be paid with future contributions | ' | ' | ' |
Percentage of eligible wages of employees, on pre-tax basis (in hundredths) | ' | 7.00% | ' |
Level 1 Inputs [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 111,205,000 | 90,145,000 | ' |
Fair value of plan assets, Net | 111,205,000 | 90,145,000 | ' |
Level 1 Inputs [Member] | Cash [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | ' | 715,000 | ' |
Level 1 Inputs [Member] | Mutual funds [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 111,205,000 | 89,430,000 | ' |
Level 1 Inputs [Member] | Money-market fund [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 0 | 0 | ' |
Level 1 Inputs [Member] | Collective trust fund [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | ' | 0 | ' |
Level 2 Inputs [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 740,000 | 12,457,000 | ' |
Fair value of plan assets, Net | 740,000 | 12,457,000 | ' |
Level 2 Inputs [Member] | Cash [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | ' | 0 | ' |
Level 2 Inputs [Member] | Mutual funds [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 0 | 0 | ' |
Level 2 Inputs [Member] | Money-market fund [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 740,000 | 7,000 | ' |
Level 2 Inputs [Member] | Collective trust fund [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | ' | 12,450,000 | ' |
Level 3 Inputs [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 0 | 0 | ' |
Fair value of plan assets, Net | 0 | 0 | ' |
Level 3 Inputs [Member] | Cash [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | ' | 0 | ' |
Level 3 Inputs [Member] | Mutual funds [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 0 | 0 | ' |
Level 3 Inputs [Member] | Money-market fund [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | 0 | 0 | ' |
Level 3 Inputs [Member] | Collective trust fund [Member] | ' | ' | ' |
Fair value of our plan assets by level of fair value hierarchy [Abstract] | ' | ' | ' |
Fair value of plan assets, Gross | ' | $0 | ' |