Goodwill Rollforward (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 28, 2013	Dec. 29, 2012
Goodwill [Roll Forward]
Beginning Balance		$ 80,608,000	$ 80,546,000
Acquisition of PGI			86,400,000
Acquisitions		38,514,000	0
Impairment	7,600,000	0	0
Translation		1,021,000	62,000
Other		0	0
Ending Balance	80,546,000	120,143,000	80,608,000
Americas
Goodwill [Roll Forward]
Beginning Balance		45,980,000	45,980,000
Acquisitions		22,198,000	0
Impairment		0	0
Translation		0	0
Other		0	0
Ending Balance		68,178,000	45,980,000
Europe
Goodwill [Roll Forward]
Beginning Balance		0	0
Acquisitions		16,316,000	0
Impairment		0	0
Translation		781,000	0
Other		0	0
Ending Balance		17,097,000	0
Asia
Goodwill [Roll Forward]
Beginning Balance		34,628,000	34,566,000
Acquisitions		0	0
Impairment		0	0
Translation		240,000	62,000
Other		0	0
Ending Balance		34,868,000	34,628,000
Oriented Polymers
Goodwill [Roll Forward]
Beginning Balance		0	0
Acquisitions		0	0
Impairment		0	0
Translation		0	0
Other		0	0
Ending Balance		$ 0	$ 0