Acquisitions Pro Forma Financial Information of National Envelope (Details) (USD $)	3 Months Ended	9 Months Ended
Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Business Acquisition [Line Items]
Net sales	$ 442,781,000	$ 437,168,000	$ 1,267,935,000	$ 1,300,593,000
Income/(loss) from continuing operations	10,491,000	3,022,000	(28,995,000)	(23,139,000)
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.16	$ 0.05	$ (0.45)	$ (0.36)
Income (Loss) from Continuing Operations, Per Diluted Share	$ 0.13	$ 0.04	$ (0.45)	$ (0.36)
Business Combination, Acquisition Related Costs	5,000,000	700,000	5,700,000	1,100,000
Net income (loss) per share - diluted	$ 0.29	$ 0.06	$ (0.22)	$ (0.36)
National Envelope Acquisition [Member]
Business Acquisition [Line Items]
Pro forma	517,166,000	538,554,000	1,517,926,000	1,621,939,000
Pro forma	(8,142,000)	(10,273,000)	(71,797,000)	(46,846,000)
Pro forma	$ (0.12)	$ (0.16)	$ (1.09)	$ (0.71)
Pro forma	$ (0.12)	$ (0.16)	$ (1.09)	$ (0.71)
Business Combination, Acquisition Related Costs			$ 4,800,000

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The pro forma income from continuing operations before changes in accounting and extraordinary items, net of tax effect per basic share of common stock for a period as if the business combination or combinations had been completed at the beginning of a period.

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