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Accumulated Other Comprehensive Items, Reclassifications out of AOCI (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 29, 2013 | Jun. 29, 2013
Reclassification Adjustment Out Of Accumulated Other Comprehensive Items [Line Items] |  |  |  |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax |  |  | $ 574 |
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 |  |  | 46 |
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 |  |  | 326 |
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 | (197) | [1] | (574) | [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 | (172) | [2] | (379) | [2]
Income tax benefit | 59 | [2] | 131 | [2]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax [Abstract] | (113) | [2] | (248) | [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] | (70) | [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 | (137) | [2] | (309) | [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 | (130) | [1] | (279) | [1]
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax | (130) | [1] | (279) | [1]
Income tax (expense) benefit | 46 | [1] | (47) | [1]
Total reclassifications, net of tax | (84) | [1] | (326) | [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 | (90) | [1] | (196) | [1]
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax | (90) | [1] | (196) | [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 | (40) | [1] | (83) | [1]
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax | $ (40) | [1] | $ (83) | [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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