Segment Information (Schedule of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jul. 02, 2016	Jun. 27, 2015	Jan. 02, 2016
Segment Information [Line Items]
Net sales	$ 404,041	$ 413,359	$ 836,802	$ 843,036
Operating income (loss)	21,570	21,655	38,584	39,455
Restructuring and other charges	880	1,977	5,870	6,046
Depreciation and intangible asset amortization	11,826	12,040	23,856	23,998
Intercompany sales	7,627	6,381	15,271	12,735
Total assets	900,754		900,754		$ 1,079,915
Assets of discontinued operations	0		0		111,417
Envelope [Member]
Segment Information [Line Items]
Net sales	212,277	218,139	441,537	445,549
Operating income (loss)	17,213	16,711	34,772	31,551
Restructuring and other charges	191	345	706	3,137
Depreciation and intangible asset amortization	4,818	4,930	9,582	9,833
Intercompany sales	1,559	1,331	3,416	3,143
Total assets	407,763		407,763		445,443
Print [Member]
Segment Information [Line Items]
Net sales	114,653	114,545	239,140	236,645
Operating income (loss)	1,933	2,987	5,310	4,666
Restructuring and other charges	534	830	842	1,867
Depreciation and intangible asset amortization	4,807	4,190	9,062	8,436
Intercompany sales	5,450	4,143	10,265	7,924
Total assets	244,611		244,611		266,074
Label [Member]
Segment Information [Line Items]
Net sales	77,111	80,675	156,125	160,842
Operating income (loss)	11,901	11,150	16,609	20,854
Restructuring and other charges	(59)	60	4,096	198
Depreciation and intangible asset amortization	1,442	2,155	3,788	3,994
Intercompany sales	618	907	1,590	1,668
Total assets	213,053		213,053		223,534
Corporate [Member]
Segment Information [Line Items]
Operating income (loss)	(9,477)	(9,193)	(18,107)	(17,616)
Restructuring and other charges	214	742	226	844
Depreciation and intangible asset amortization	759	$ 765	1,424	$ 1,735
Total assets	$ 35,327		$ 35,327		$ 33,447