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Accumulated Other Comprehensive Items, Reclassifications out of AOCI (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 28, 2013 | Sep. 28, 2013
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax |  |  | $ 799 |
Pension and Other Post-retirement Plans [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax |  |  | 68 |
Cash Flow Hedges [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax |  |  | 431 |
Reclassification Out Of Accumulated Other Comprehensive Items [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax | (225) | [1] | (799) | [1]
Reclassification Out Of Accumulated Other Comprehensive Items [Member] | Pension and Other Post-retirement Plans [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, before Tax | (185) | [2] | (564) | [2]
Income tax benefit | 65 | [2] | 196 | [2]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax [Abstract] | (120) | [2] | (368) | [2]
Reclassification Out Of Accumulated Other Comprehensive Items [Member] | Pension and Other Post-retirement Plans [Member] | Amortization of Prior Service Cost [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax | (35) | [2] | (105) | [2]
Reclassification Out Of Accumulated Other Comprehensive Items [Member] | Pension and Other Post-retirement Plans [Member] | Amortization Of Actuarial Losses [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax | (150) | [2] | (459) | [2]
Reclassification Out Of Accumulated Other Comprehensive Items [Member] | Cash Flow Hedges [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax | (161) | [1] | (440) | [1]
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax | (161) | [1] | (440) | [1]
Income tax benefit | 56 | [1] | 9 | [1]
Total reclassifications, net of tax | (105) | [1] | (431) | [1]
Reclassification Out Of Accumulated Other Comprehensive Items [Member] | Cash Flow Hedges [Member] | Interest Rate Swap [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax | (91) | [1] | (287) | [1]
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax | (91) | [1] | (287) | [1]
Reclassification Out Of Accumulated Other Comprehensive Items [Member] | Cash Flow Hedges [Member] | Forward Currency-Exchange Contracts [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax | (70) | [1] | (153) | [1]
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax | $ (70) | [1] | $ (153) | [1]
[1] | See Note 10 for additional information.
[2] | Included in the computation of net periodic benefit costs. See Note 8 for additional information.

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