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   0.50  
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