Segment Information (Schedule of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Segment Information [Line Items]
Net sales	$ 374,506	$ 432,761
Operating income (loss)	10,034	17,014
Restructuring and other charges	8,180	4,990
Depreciation and intangible asset amortization	11,795	12,030
Intercompany sales	7,431	7,644
Total assets	873,206		$ 912,959
Envelope [Member]
Segment Information [Line Items]
Net sales	201,839	229,260
Operating income (loss)	14,451	17,559
Restructuring and other charges	1,209	515
Depreciation and intangible asset amortization	4,747	4,764
Intercompany sales	1,500	1,857
Total assets	391,553		403,157
Print [Member]
Segment Information [Line Items]
Net sales	104,238	124,487
Operating income (loss)	(4,826)	3,377
Restructuring and other charges	6,645	308
Depreciation and intangible asset amortization	4,607	4,255
Intercompany sales	5,266	4,815
Total assets	233,835		256,888
Label [Member]
Segment Information [Line Items]
Net sales	68,429	79,014
Operating income (loss)	9,402	4,708
Restructuring and other charges	(397)	4,155
Depreciation and intangible asset amortization	1,654	2,346
Intercompany sales	665	972
Total assets	213,964		216,627
Corporate [Member]
Segment Information [Line Items]
Operating income (loss)	(8,993)	(8,630)
Restructuring and other charges	723	12
Depreciation and intangible asset amortization	787	$ 665
Total assets	$ 33,854		$ 36,287