Goodwill Rollforward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 29, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Beginning Balance		$ 80,546	$ 2,253
Elimination of Predecessor			(2,308)
Acquisition of PGI			86,376
Acquisitions		0	0
Impairment	7,600	0	(7,647)
Translation		62	1,872
Other		0	0
Ending Balance	80,546	80,608	80,546
Americas
Goodwill [Roll Forward]
Beginning Balance		45,980	0
Elimination of Predecessor			0
Acquisition of PGI			46,428
Acquisitions		0	0
Impairment		0	(448)
Translation		0	0
Other		0	0
Ending Balance	45,980	45,980	45,980
Europe
Goodwill [Roll Forward]
Beginning Balance		0	2,253
Elimination of Predecessor			(2,308)
Acquisition of PGI			0
Acquisitions		0	0
Impairment		0	0
Translation		0	55
Other		0	0
Ending Balance	0	0	0
Asia
Goodwill [Roll Forward]
Beginning Balance		34,566	0
Elimination of Predecessor			0
Acquisition of PGI			39,948
Acquisitions		0	0
Impairment		0	(7,199)
Translation		62	1,817
Other		0	0
Ending Balance	34,566	34,628	34,566
Oriented Polymers
Goodwill [Roll Forward]
Beginning Balance		0	0
Elimination of Predecessor			0
Acquisition of PGI			0
Acquisitions		0	0
Impairment		0	0
Translation		0	0
Other		0	0
Ending Balance	$ 0	$ 0	$ 0