Discontinued Operations (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended		15 Months Ended	0 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Feb. 10, 2012	Jan. 27, 2012
Custom Envelope [Member]
Discontinued Operations [Line Items]
Proceeds from the sale of discontinued operations	$ 2.2		$ 47.0
Gain on sale of discontinued operations		14.9	16.5
Documents Group [Member]
Discontinued Operations [Line Items]
Proceeds from the sale of discontinued operations				35.5
Wide Format Business [Member]
Discontinued Operations [Line Items]
Proceeds from the sale of discontinued operations					4.7
Scenario, Previously Reported [Member] | Documents Group [Member]
Discontinued Operations [Line Items]
Proceeds from the sale of discontinued operations				$ 40.0