Property, Plant and Equipment (Narrative) (Details) $ in Thousands	3 Months Ended					12 Months Ended
	Jan. 02, 2016 USD ($) facility	Dec. 27, 2014 USD ($) facility	Sep. 27, 2014 USD ($) facility	Dec. 28, 2013 USD ($) facility	Jun. 29, 2013 USD ($) facility	Jan. 02, 2016 USD ($)	Dec. 27, 2014 USD ($)	Dec. 28, 2013 USD ($)
Property, Plant and Equipment [Line Items]
Proceeds from sale of property, plant and equipment						$ 8,558	$ 3,766	$ 2,682
Envelope [Member] | Building and building improvements [Member]
Property, Plant and Equipment [Line Items]
Number of manufacturing facilities sold (facility) | facility		1		1	1
Proceeds from sale of property, plant and equipment		$ 1,000		$ 500	$ 1,700
Print [Member] | Building and building improvements [Member]
Property, Plant and Equipment [Line Items]
Number of manufacturing facilities sold (facility) | facility	1		1
Sale leaseback transaction, net book value	$ 3,400					$ 3,400
Sale leaseback transaction, net proceeds	7,100
Sale leaseback transaction, gain recognized	$ 3,100
Proceeds from sale of property, plant and equipment			$ 1,200