Selected Quarterly Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended		15 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	Dec. 31, 2016
Quarterly Financial Data [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
Income (loss) from continuing operations	(1,779)	8,745	50,860	13,020	(4,365)	(3,562)	(3,355)	(8,179)	70,846	(19,461)
Loss from discontinued operations, net of taxes	1,538	686	(3,304)	(1,817)	(13,159)	319	950	500	(2,897)	(11,390)
Net income (loss)	$ (241)	$ 9,431	$ 47,556	$ 11,203	$ (17,524)	$ (3,243)	$ (2,405)	$ (7,679)	$ 67,949	$ (30,851)
Continuing operations per share - basic	$ (0.21)	$ 1.02	$ 5.97	$ 1.53	$ (0.51)	$ (0.42)	$ (0.39)	$ (0.97)	$ 8.31	$ (2.30)
Discontinued operations per share - basic	0.18	0.08	(0.39)	(0.21)	(1.56)	0.04	0.11	0.06	(0.34)	(1.34)
Net income (loss) per share - basic	(0.03)	1.10	5.58	1.32	(2.07)	(0.38)	(0.28)	(0.91)	7.97	(3.64)
Continuing operations per share - diluted	(0.21)	1.00	5.15	1.37	(0.51)	(0.42)	(0.39)	(0.97)	7.63	(2.30)
Discontinued operations per share - diluted	0.18	0.08	(0.33)	(0.17)	(1.56)	0.04	0.11	0.06	(0.31)	(1.34)
Net income (loss) per share - diluted	$ (0.03)	$ 1.08	$ 4.82	$ 1.20	$ (2.07)	$ (0.38)	$ (0.28)	$ (0.91)	$ 7.32	$ (3.64)
(Loss) gain on sale of discontinued operations before income taxes									$ 1,405	$ (4,987)
Impairment of goodwill									0	9,857
Envelope [Member]
Quarterly Financial Data [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
Print [Member]
Quarterly Financial Data [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
Label [Member]
Quarterly Financial Data [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
Corporate [Member]
Quarterly Financial Data [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)
Packaging Business [Member]
Quarterly Financial Data [Line Items]
(Loss) gain on sale of discontinued operations before income taxes					(4,987)				$ 1,400		$ (3,600)
Impairment of goodwill					$ 9,900