Acquisitions and License Agreements (Schedule of Financial Results and Acquisition Costs of Acquirees) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 28, 2018	Dec. 29, 2017
Sucampo [Member]
Business Acquisition [Line Items]
Acquisition Related Costs	$ 5.2	$ 4.2
Ocera [Member]
Business Acquisition [Line Items]
Acquisition Related Costs	0.5	0.9
InfaCare [Member]
Business Acquisition [Line Items]
Acquisition Related Costs	0.0	1.2
Others
Business Acquisition [Line Items]
Acquisition Related Costs	0.1	0.1
Total Acquisitions
Business Acquisition [Line Items]
Acquisition Related Costs	$ 5.8	$ 6.4

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460

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