Segment Information (Schedule of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 31, 2016	Jan. 02, 2016
Segment Information [Line Items]
Net sales	$ 417,244	$ 405,955	$ 404,041	$ 432,761	$ 478,960	$ 419,783	$ 413,359	$ 429,677	$ 1,660,001	$ 1,741,779
Operating income (loss)	16,575	20,873	21,570	17,014	24,822	19,516	21,655	17,800	76,032	83,793
Restructuring and other charges									11,954	12,576
Depreciation and intangible asset amortization									47,200	49,689
Capital expenditures									41,137	25,928
Intercompany sales									29,405	28,281
Total assets	912,959				1,082,026				912,959	1,082,026
Assets of discontinued operations	0				111,417				0	111,417
Long-lived assets	507,719				516,366				507,719	516,366
U.S. [Member]
Segment Information [Line Items]
Net sales									1,654,996	1,735,921
Long-lived assets	501,685				510,205				501,685	510,205
Foreign [Member]
Segment Information [Line Items]
Net sales									5,005	5,858
Long-lived assets	6,034				6,161				6,034	6,161
Envelope [Member]
Segment Information [Line Items]
Net sales	211,045	212,578	212,277	229,260	244,715	218,454	218,139	227,410	865,160	908,718
Operating income (loss)	9,080	16,832	17,213	17,559	17,127	17,746	16,711	14,840	60,684	66,424
Restructuring and other charges									2,618	3,500
Depreciation and intangible asset amortization									18,982	20,318
Capital expenditures									13,130	7,480
Intercompany sales									6,589	6,357
Total assets	403,157				445,443				403,157	445,443
Print [Member]
Segment Information [Line Items]
Net sales	132,585	121,739	114,653	124,487	150,454	123,875	114,545	122,100	493,464	510,974
Operating income (loss)	6,857	5,446	1,933	3,377	8,915	1,541	2,987	1,679	17,613	15,122
Restructuring and other charges									2,028	6,853
Depreciation and intangible asset amortization									18,010	17,424
Capital expenditures									10,984	9,240
Intercompany sales									19,983	17,627
Total assets	256,888				266,074				256,888	266,074
Label [Member]
Segment Information [Line Items]
Net sales	73,614	71,638	77,111	79,014	83,791	77,454	80,675	80,167	301,377	322,087
Operating income (loss)	7,176	6,764	11,901	4,708	8,533	10,146	11,150	9,704	30,549	39,533
Restructuring and other charges									4,771	486
Depreciation and intangible asset amortization									6,988	8,584
Capital expenditures									11,172	3,678
Intercompany sales									2,833	4,297
Total assets	216,627				223,534				216,627	223,534
Corporate [Member]
Segment Information [Line Items]
Operating income (loss)	(6,538)	$ (8,169)	$ (9,477)	$ (8,630)	(9,753)	$ (9,917)	$ (9,193)	$ (8,423)	(32,814)	(37,286)
Restructuring and other charges									2,537	1,737
Depreciation and intangible asset amortization									3,220	3,363
Capital expenditures									5,851	5,530
Total assets	$ 36,287				$ 35,558				$ 36,287	$ 35,558