Acquisitions and Dispositions (Narrative) (Details) - USD ($) $ in Millions		6 Months Ended
Jun. 26, 2019	Jun. 30, 2019
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Asset Acquisition [Line Items]
Proceeds from sale of assets		$ 103.5
Gain on sale of property, plant, equipment		$ 47.6
Connoisseur Swap
Asset Acquisition [Line Items]
Total assets acquired	$ 3.7

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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