The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.

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Amount of other expense (income) that is infrequent in occurrence or unusual in nature.

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The number of positions eliminated during the period as a result of restructuring activities.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Restructuring Costs and Other Income, Net (Text) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended		21 Months Ended	3 Months Ended	9 Months Ended				21 Months Ended	9 Months Ended		21 Months Ended	3 Months Ended		9 Months Ended	21 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014 Papermaking Systems 2013 Restructuring Plan	Sep. 27, 2014 Papermaking Systems 2013 Restructuring Plan	Sep. 28, 2013 Papermaking Systems 2013 Restructuring Plan	Sep. 27, 2014 Papermaking Systems 2013 Restructuring Plan	Sep. 27, 2014 Papermaking Systems 2014 Restructuring Plan	Sep. 27, 2014 Papermaking Systems 2014 Restructuring Plan	Sep. 27, 2014 Papermaking Systems Severance costs 2013 Restructuring Plan	Sep. 27, 2014 Papermaking Systems Severance costs 2014 Restructuring Plan	Sep. 27, 2014 Papermaking Systems Other Costs 2013 Restructuring Plan	Sep. 27, 2014 Papermaking Systems Other Costs 2013 Restructuring Plan	Sep. 27, 2014 Papermaking Systems Other Costs 2014 Restructuring Plan	Sep. 28, 2013 CHINA Papermaking Systems	Sep. 27, 2014 BRAZIL Papermaking Systems Severance costs 2013 Restructuring Plan Employee	Sep. 27, 2014 BRAZIL Papermaking Systems Severance costs 2014 Restructuring Plan Employee	Sep. 27, 2014 UNITED STATES Papermaking Systems Other Costs 2014 Restructuring Plan	Sep. 27, 2014 SWEDEN Papermaking Systems Severance costs 2013 Restructuring Plan	Sep. 27, 2014 SWEDEN Papermaking Systems Severance costs 2013 Restructuring Plan Employee
Restructuring Costs And Other Income and Expenses [Abstract]
Provision	$ 534		$ 928		$ 41	$ 435	$ 2,003	$ 2,278	$ 493	$ 493	$ (11)	$ 386	$ 446	$ 623	$ 107		$ 1,158	$ 386	$ 107	$ (11)	$ 497
Restructuring costs and other income, net	534	45	928	263
Pre-tax gain from sale of real estate																$ 1,740
Number of employees reduced due to restructuring																	22	9			25