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Contingencies (Narrative) (Details) | 1 Months Ended | 3 Months Ended
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Aug. 30, 2016 | Mar. 16, 2017 plaintiff
Commitments and Contingencies Disclosure [Abstract] |  |
Contingencies, putative class action complaints filed, number | 7 |
Petitions for appraisal filed |  | 5

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- References No definition available. + Details
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- Definition The total number of new claims filed pertaining to a loss contingency during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 + Details
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