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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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Total costs related to goods produced and sold during the reporting period.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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Accumulated Other Comprehensive Earnings (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended								3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended					3 Months Ended	6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014 Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 29, 2013 Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 28, 2014 Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 29, 2013 Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 28, 2014 Accumulated Translation Adjustment [Member]	Jun. 29, 2013 Accumulated Translation Adjustment [Member]	Jun. 28, 2014 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Jun. 29, 2013 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Jun. 28, 2014 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Jun. 29, 2013 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Jun. 28, 2014 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 29, 2013 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 28, 2014 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 29, 2013 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 28, 2014 Accumulated Net Gain (Loss) from Commodity Derivatives [Member]	Jun. 29, 2013 Accumulated Net Gain (Loss) from Commodity Derivatives [Member]	Jun. 28, 2014 Accumulated Net Gain (Loss) from Commodity Derivatives [Member] Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 29, 2013 Accumulated Net Gain (Loss) from Commodity Derivatives [Member] Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 28, 2014 Accumulated Net Gain (Loss) from Commodity Derivatives [Member] Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 29, 2013 Accumulated Net Gain (Loss) from Commodity Derivatives [Member] Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 28, 2014 Accumulated Defined Benefit Plans Adjustment [Member]	Jun. 29, 2013 Accumulated Defined Benefit Plans Adjustment [Member]	Dec. 31, 2012 Accumulated Defined Benefit Plans Adjustment [Member]	Jun. 28, 2014 Accumulated Defined Benefit Plans Adjustment [Member] Reclassification out of Accumulated Other Comprehensive Income [Member]	Jun. 28, 2014 Accumulated Defined Benefit Plans Adjustment [Member] Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated other comprehensive earnings (loss), net of tax
Balance at the beginning of the period			$ (4,638)	$ (16,447)					$ (13,527)	$ (13,406)	$ 54	$ 908	$ (436)						$ (96)	$ (111)					$ 9,367	$ (3,838)	$ (3,838)
Other comprehensive earnings (loss) before reclassifications			(364)	(1,309)					(699)	(90)	(20)	(115)	200	(553)					155	(551)
Reclassifications from accumulated other comprehensive loss			(250)	574									288	69					38	505					(576)
Net other comprehensive earnings (loss) net of tax			(614)	(735)					(699)	(90)	(20)	(115)	488	(484)					193	(46)					(576)
Balance at the end of the period	(5,252)	(17,182)	(5,252)	(17,182)					(14,226)	(13,496)	34	793	52	(484)					97	(157)					8,791	(3,838)	(3,838)
Reclassification from Accumulated Other Comprehensive Income
Other Income	3,033	1,705	4,699	4,296											189	73	451	108
Product cost of goods sold	66,182	66,972	133,047	139,141																	(116)	473	59	793				(221)	(442)
Selling, marketing and administrative expenses	28,296	26,487	53,927	54,454																								(230)	(460)
Total before tax	13,262	10,907	29,956	24,398	(378)	546	(392)	901
Tax (expense) benefit	432	128	(434)	(378)	137	(198)	142	(326)
Net income	$ 8,957	$ 8,369	$ 18,314	$ 17,438	$ (241)	$ 348	$ (250)	$ 575