Segment Information (Schedule of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015	Jan. 02, 2016
Segment Information [Line Items]
Net sales	$ 405,955	$ 419,783	$ 1,242,757	$ 1,262,819
Operating income (loss)	20,873	19,516	59,457	58,971
Restructuring and other charges	2,414	5,483	8,284	11,529
Depreciation and intangible asset amortization	11,689	11,635	35,545	35,633
Intercompany sales	8,233	7,484	23,504	20,219
Total assets	912,237		912,237		$ 1,082,026
Assets of discontinued operations	0		0		111,417
Envelope [Member]
Segment Information [Line Items]
Net sales	212,578	218,454	654,115	664,003
Operating income (loss)	16,832	17,746	51,604	49,297
Restructuring and other charges	496	181	1,202	3,318
Depreciation and intangible asset amortization	4,717	4,775	14,299	14,608
Intercompany sales	1,843	1,531	5,259	4,674
Total assets	406,538		406,538		445,443
Print [Member]
Segment Information [Line Items]
Net sales	121,739	123,875	360,879	360,520
Operating income (loss)	5,446	1,541	10,756	6,207
Restructuring and other charges	477	4,473	1,319	6,340
Depreciation and intangible asset amortization	4,443	4,137	13,505	12,573
Intercompany sales	5,674	4,611	15,939	12,535
Total assets	257,705		257,705		266,074
Label [Member]
Segment Information [Line Items]
Net sales	71,638	77,454	227,763	238,296
Operating income (loss)	6,764	10,146	23,373	31,000
Restructuring and other charges	36	281	4,132	479
Depreciation and intangible asset amortization	1,572	2,006	5,360	6,000
Intercompany sales	716	1,342	2,306	3,010
Total assets	214,320		214,320		223,534
Corporate [Member]
Segment Information [Line Items]
Operating income (loss)	(8,169)	(9,917)	(26,276)	(27,533)
Restructuring and other charges	1,405	548	1,631	1,392
Depreciation and intangible asset amortization	957	$ 717	2,381	$ 2,452
Total assets	$ 33,674		$ 33,674		$ 35,558