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PENSION AND OTHER POSTRETIREMENT BENEFITS (Schedule of Net Defined Benefit Pension and Other Postretirement Costs) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
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Sep. 29, 2013
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Sep. 23, 2012
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Sep. 29, 2013
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Sep. 23, 2012
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Pension Benefits [Member]
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| Defined Benefit Plan Disclosure [Line Items] | ||||
| Service cost | $ (20) | $ 13 | $ 38 | |
| Interest cost | 1,988 | 2,147 | 5,965 | 6,204 |
| Estimated return on plan assets | (1,349) | (2,126) | (4,048) | (4,997) |
| Amortization of net loss (gain) | 250 | (483) | 751 | 348 |
| Net costs | 869 | (449) | 2,668 | 1,593 |
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Other Benefits [Member]
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| Defined Benefit Plan Disclosure [Line Items] | ||||
| Service cost | ||||
| Interest cost | 20 | 25 | 59 | 72 |
| Estimated return on plan assets | ||||
| Amortization of net loss (gain) | (1) | (2) | ||
| Net costs | $ 20 | $ 24 | $ 59 | $ 70 |