Segment Information (Schedule of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 02, 2016	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
Segment Information [Line Items]
Net sales	$ 478,960	$ 419,783	$ 413,359	$ 429,677	$ 453,522	$ 435,595	$ 429,738	$ 442,460	$ 1,741,779	$ 1,761,315	$ 1,588,702
Operating income (loss)	24,822	19,516	21,655	17,800	11,231	10,233	12,438	8,872	83,793	42,774	32,041
Restructuring and other charges									12,576	21,526	12,586
Impairment of intangible assets									0	0	24,493
Depreciation and intangible asset amortization									49,689	52,970	49,231
Capital expenditures									25,928	32,322	24,345
Intercompany sales									28,281	25,506	12,294
Total assets	1,079,915				1,135,721				1,079,915	1,135,721
Assets of discontinued operations	111,417				139,182				111,417	139,182
Long-lived assets	516,366				541,384				516,366	541,384
U.S. [Member]
Segment Information [Line Items]
Net sales									1,735,921	1,754,947	1,571,004
Long-lived assets	510,205				534,787				510,205	534,787
Foreign [Member]
Segment Information [Line Items]
Net sales									5,858	6,368	17,698
Long-lived assets	6,161				6,597				6,161	6,597
Envelope [Member]
Segment Information [Line Items]
Net sales	244,715	218,454	218,139	227,410	231,185	227,069	229,593	241,671	908,718	929,518	749,898
Operating income (loss)	17,127	17,746	16,711	14,840	6,136	4,328	9,332	9,806	66,424	29,602	39,775
Restructuring and other charges									3,500	14,181	5,476
Impairment of intangible assets									0	0	0
Depreciation and intangible asset amortization									20,318	19,616	16,407
Capital expenditures									7,480	17,267	7,221
Intercompany sales									6,357	6,114	4,178
Total assets	445,443				449,819				445,443	449,819
Print [Member]
Segment Information [Line Items]
Net sales	150,454	123,875	114,545	122,100	141,106	127,034	117,670	122,103	510,974	507,913	501,534
Operating income (loss)	8,915	1,541	2,987	1,679	5,829	6,340	3,882	857	15,122	16,908	(8,902)
Restructuring and other charges									6,853	3,091	4,289
Impairment of intangible assets									0	0	24,493
Depreciation and intangible asset amortization									17,424	21,146	19,808
Capital expenditures									9,240	6,008	6,172
Intercompany sales									17,627	15,239	4,871
Total assets	266,074				277,564				266,074	277,564
Label [Member]
Segment Information [Line Items]
Net sales	83,791	77,454	80,675	80,167	81,231	81,492	82,475	78,686	322,087	323,884	337,270
Operating income (loss)	8,533	10,146	11,150	9,704	8,245	9,691	10,998	9,376	39,533	38,310	38,182
Restructuring and other charges									486	157	633
Impairment of intangible assets									0	0	0
Depreciation and intangible asset amortization									8,584	7,420	8,035
Capital expenditures									3,678	3,224	5,411
Intercompany sales									4,297	4,153	3,245
Total assets	223,534				230,806				223,534	230,806
Corporate [Member]
Segment Information [Line Items]
Operating income (loss)	(9,753)	$ (9,917)	$ (9,193)	$ (8,423)	(8,979)	$ (10,126)	$ (11,774)	$ (11,167)	(37,286)	(42,046)	(37,014)
Restructuring and other charges									1,737	4,097	2,188
Impairment of intangible assets									0	0	0
Depreciation and intangible asset amortization									3,363	4,788	4,981
Capital expenditures									5,530	5,823	$ 5,541
Total assets	$ 33,447				$ 38,350				$ 33,447	$ 38,350