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Inventories (Narrative) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2015 USD ($)
Inventory, Net [Abstract] |
Nonmonetary transaction, amount of barter transaction | $ 8.3

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Namespace Prefix: | us-gaap_
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Period Type: | duration

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- Definition The amount of revenue and expenses for the services received and provided in a nonmonetary arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68051663&loc=d3e49171-111630 + Details
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