Discontinued Operations (Narrative) (Details) (Custom Envelope [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended	18 Months Ended
Mar. 29, 2014	Dec. 28, 2013	Mar. 28, 2015
Custom Envelope [Member]
Discontinued Operations [Line Items]
Proceeds from the sales of discontinued operations	$ 1.0		$ 47.0
Gain on sale of discontinued operations		$ 14.9	$ 16.5

Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities.

No definition available.

Name:	us-gaap_ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration