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Computation Of Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2017
Computation Of Net Loss Per Share [Abstract] |
Schedule Of Computation Of Net Loss Per Share Reconciliation |
﻿ |  |  |  |  |  |  |  |
﻿(in thousands, except per share amounts) | 2017 |  | 2016 |  | 2015
﻿Numerator for basic and diluted net loss per share: |  |  |  |  |  |  |  |
﻿Net loss attributable to 3D Systems Corporation | $ | (66,191) |  | $ | (38,419) |  | $ | (655,492)
﻿ |  |  |  |  |  |  |  |
﻿Denominator for basic and diluted net loss per share: |  |  |  |  |  |  |  |
﻿Weighted average shares |  | 111,554 |  |  | 111,189 |  |  | 111,969
﻿ |  |  |  |  |  |  |  |
﻿Net loss per share, basic and diluted | $ | (0.59) |  | $ | (0.35) |  | $ | (5.85)
﻿

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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