Acquisitions, License Agreements and Other Investments Schedule of Financial Results of Acquirees (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 30, 2018	Mar. 31, 2017
Business Acquisition [Line Items]
Net sales	$ 572.6	$ 560.0
Operating Income (Loss)	(2.8)	86.3
Sucampo [Member]
Business Acquisition [Line Items]
Net sales	24.2	0.0
Operating Income (Loss)	$ (30.7)	$ 0.0

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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