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Acquisitions and Dispositions (Narrative) (Details) - USD ($) $ in Millions |  |  | 6 Months Ended
--- | --- | --- | ---
Apr. 01, 2015 | Apr. 28, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Business Acquisition [Line Items] |  |  |  |
Proceeds from sale of a business |  |  | $ 23.0 | $ 0.0
Packaging | Crockett Packaging |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business acquisition, cost of acquired entity |  | $ 21.2 |  |
Hexacomb Europe and Mexico [Member] | Packaging |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Proceeds from sale of a business | $ 23.0 |  |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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