Accumulated Other Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jul. 05, 2014	Jun. 29, 2013	Jul. 05, 2014	Jun. 29, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (16,409)	$ (29,433)	$ (16,293)	$ (30,042)
Other comprehensive loss before reclassification	267	(162)	36	(271)
Amounts reclassified from accumulated other comprehensive loss, net of tax	117	158	232	876
Current-period other comprehensive (loss) income, net of tax	384	(4)	268	605
Ending balance, net of tax	(16,025)	(29,437)	(16,025)	(29,437)
Foreign currency, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	1,405	1,688	1,636	1,797
Other comprehensive loss before reclassification	267	(162)	36	(271)
Amounts reclassified from accumulated other comprehensive loss, net of tax
Current-period other comprehensive (loss) income, net of tax	267	(162)	36	(271)
Ending balance, net of tax	1,672	1,526	1,672	1,526
Defined benefit pension plan, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(18,026)	(31,333)	(18,141)	(32,051)
Other comprehensive loss before reclassification
Amounts reclassified from accumulated other comprehensive loss, net of tax	117	158	232	876
Current-period other comprehensive (loss) income, net of tax	117	158	232	876
Ending balance, net of tax	(17,909)	(31,175)	(17,909)	(31,175)
Other, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	212	212	212	212
Other comprehensive loss before reclassification
Amounts reclassified from accumulated other comprehensive loss, net of tax
Current-period other comprehensive (loss) income, net of tax
Ending balance, net of tax	$ 212	$ 212	$ 212	$ 212

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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