Acquisitions (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended					6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012 Nesbitt Acquisition [Member]	Jun. 30, 2012 Envelope Product Group Acquisition [Member]	Feb. 01, 2011 Envelope Product Group Acquisition [Member]	Jun. 30, 2012 Customer Relationships [Member] Nesbitt Acquisition [Member]	Jun. 30, 2012 Trade Names [Member] Envelope Product Group Acquisition [Member]	Jun. 30, 2012 Patents [Member] Envelope Product Group Acquisition [Member]
Business Acquisition [Line Items]
Acquisition related costs	$ 200,000	$ 600,000	$ 400,000	$ 4,100,000
Annual net sales prior to acquisition by the Company					5,600,000	240,000,000
Cost of EPG acquisition					5,600,000	55,158,000
Acquisition goodwill amount					2,000,000
Other intangible assets, net						$ 1,500,000		$ 1,400,000	$ 1,000,000	$ 500,000
Intangible asset useful life								10	10	15
Entity Number of Employees							900