Acquisitions Purchase Price Allocation of EPG (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended		3 Months Ended		12 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011	Dec. 31, 2011 Envelope Product Group Acquisition [Member]	Jun. 30, 2012 Envelope Product Group Acquisition [Member]	Apr. 02, 2011 Original Purchase Price [Member] Envelope Product Group Acquisition [Member]	Feb. 01, 2011 Original Purchase Price [Member] Envelope Product Group Acquisition [Member]	Dec. 31, 2011 Adjustments to Purchase Price [Member] Envelope Product Group Acquisition [Member]	Jun. 30, 2012 Adjustments to Purchase Price [Member] Envelope Product Group Acquisition [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Accounts receivable, net						$ 29,817		$ 29,817		$ 0
Inventories						21,893		21,352		541
Prepaid and other current assets						386		386		0
Property, plant and equipment, net						38,388		37,982		406
Other intangible assets, net						1,500		1,500		0
Other assets, net						2,240		2,240		0
Total assets acquired						94,224		93,277		947
Current liabilities						25,583		25,340		243
Other liabilities						1,763		1,763		0
Total liabilities assumed						27,346		27,103		243
Net assets acquired						66,878		66,174		704
Cost of EPG acquisition						55,158		55,635		(477)
Gain on bargain purchase	$ 0	$ 540	$ 0	$ 11,079	$ 11,720		$ 10,539		$ 1,181