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Employee Benefit Plans (Amounts Recognized in Accumulated Other Comprehensive Income, Not Yet Recognized as a Component of Net Periodic Benefit Cost) (Details) (USD $)
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12 Months Ended |
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Dec. 25, 2013
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Dec. 26, 2012
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Pension Plan [Member]
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| Defined Benefit Plan, Amounts Reocgnized in Accumulated Other Comprehensive Income, Not Yet Reocgnized as Net Periodic Benefit Cost [Abstract] |
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| Unamortized actuarial losses, net |
$ (17,433,000) |
$ (27,798,000) |
| Accumulated other comprehensive income to be recognized in 2014 |
(900,000) |
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Other Defined Benefit Plans [Member]
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| Defined Benefit Plan, Amounts Reocgnized in Accumulated Other Comprehensive Income, Not Yet Reocgnized as Net Periodic Benefit Cost [Abstract] |
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| Unamortized actuarial losses, net |
(899,000) |
(1,007,000) |
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Other Defined Benefit Plans [Member] | Maximum [Member]
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| Defined Benefit Plan, Amounts Reocgnized in Accumulated Other Comprehensive Income, Not Yet Reocgnized as Net Periodic Benefit Cost [Abstract] |
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| Accumulated other comprehensive income to be recognized in 2014 |
$ (100,000) |
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