Discontinued Operations (Narrative) (Details) - Custom Envelope [Member] - USD ($) $ in Millions	6 Months Ended	9 Months Ended	12 Months Ended
Jun. 27, 2015	Jun. 28, 2014	Dec. 28, 2013
Discontinued Operations [Line Items]
Proceeds from the sales of discontinued operations	$ 2.2	$ 47.0
Gain on sale of discontinued operations		$ 16.5	$ 14.9

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