Goodwill and Other Intangible Assets (Goodwill by Reportable Segment) (Details) $ in Thousands	6 Months Ended
	Jul. 01, 2017 USD ($)
Goodwill [Roll Forward]
Balance as of the year ended	$ 175,209
Foreign currency translation	251
Balance as of the period ended	175,460
Envelope [Member]
Goodwill [Roll Forward]
Balance as of the year ended	23,433
Foreign currency translation	0
Balance as of the period ended	23,433
Print [Member]
Goodwill [Roll Forward]
Balance as of the year ended	42,499
Foreign currency translation	251
Balance as of the period ended	42,750
Label [Member]
Goodwill [Roll Forward]
Balance as of the year ended	109,277
Foreign currency translation	0
Balance as of the period ended	$ 109,277