Acquisitions - Pro Forma Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015
Business Combinations [Abstract]
Net sales	$ 1,266.3	$ 1,358.3	$ 3,957.4	$ 4,165.4
Net loss	$ (1,589.9)	$ 290.3	$ (2,651.9)	$ 296.0

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

Name:	us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration