Restructuring Costs and Other Income, Net (Table) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		21 Months Ended
	Sep. 27, 2014	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014
Restructuring Reserve [Roll Forward]
Provision	$ 534	$ 928
Papermaking Systems | 2013 Restructuring Plan
Restructuring Reserve [Roll Forward]
Balance at beginning of period		467
Provision	41	435	2,003	2,278
Usage		(798)
Currency translation		(42)
Balance at end of period	62	62		62
Papermaking Systems | 2014 Restructuring Plan
Restructuring Reserve [Roll Forward]
Provision	493	493
Usage		(386)
Currency translation		(26)
Balance at end of period	81	81		81
Papermaking Systems | Severance costs | 2013 Restructuring Plan
Restructuring Reserve [Roll Forward]
Balance at beginning of period		467
Provision		(11)
Usage		(353)
Currency translation		(41)
Balance at end of period	62	62		62
Papermaking Systems | Severance costs | 2014 Restructuring Plan
Restructuring Reserve [Roll Forward]
Provision		386
Usage		(279)
Currency translation		(26)
Balance at end of period	81	81		81
Papermaking Systems | Other Costs | 2013 Restructuring Plan
Restructuring Reserve [Roll Forward]
Balance at beginning of period		0
Provision		446		623
Usage		(445)
Currency translation		(1)
Balance at end of period	0	0		0
Papermaking Systems | Other Costs | 2014 Restructuring Plan
Restructuring Reserve [Roll Forward]
Provision		107
Usage		(107)
Currency translation		0
Balance at end of period	$ 0	$ 0		$ 0