Segment Information (Schedule of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014	Dec. 27, 2014
Segment Information [Line Items]
Net sales	$ 419,783	$ 435,595	$ 1,262,819	$ 1,307,793
Operating income (loss)	19,516	10,233	58,971	31,543
Restructuring and other charges	5,483	5,396	11,529	18,138
Depreciation and intangible asset amortization	11,635	12,739	35,633	40,545
Intercompany sales	7,484	6,542	20,219	19,222
Total assets	1,135,715		1,135,715		$ 1,157,891
Assets of discontinued operations	134,350		134,350		139,182
Envelope [Member]
Segment Information [Line Items]
Net sales	218,454	227,069	664,003	698,333
Operating income (loss)	17,746	4,328	49,297	23,466
Restructuring and other charges	181	3,440	3,318	12,075
Depreciation and intangible asset amortization	4,775	4,556	14,608	14,844
Intercompany sales	1,531	1,966	4,674	4,725
Total assets	439,897		439,897		449,819
Print [Member]
Segment Information [Line Items]
Net sales	123,875	127,034	360,520	366,807
Operating income (loss)	1,541	6,340	6,207	11,079
Restructuring and other charges	4,473	(121)	6,340	2,483
Depreciation and intangible asset amortization	4,137	5,166	12,573	16,506
Intercompany sales	4,611	3,669	12,535	11,334
Total assets	276,683		276,683		277,564
Label [Member]
Segment Information [Line Items]
Net sales	77,454	81,492	238,296	242,653
Operating income (loss)	10,146	9,691	31,000	30,065
Restructuring and other charges	281	45	479	129
Depreciation and intangible asset amortization	2,006	1,837	6,000	5,485
Intercompany sales	1,342	907	3,010	3,163
Total assets	229,302		229,302		230,806
Corporate [Member]
Segment Information [Line Items]
Operating income (loss)	(9,917)	(10,126)	(27,533)	(33,067)
Restructuring and other charges	548	2,032	1,392	3,451
Depreciation and intangible asset amortization	717	$ 1,180	2,452	$ 3,710
Total assets	$ 55,483		$ 55,483		$ 60,520