Net Loss Per Share (Schedule Of Net Loss Per Share Reconciliation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net Loss Per Share [Abstract]
Net loss attributable to 3D Systems Corporation	$ (8,416)	$ (4,648)	$ (18,387)	$ (22,436)
Weighted average shares	111,398	111,166	111,350	111,288
Net loss per share — basic and diluted	$ (0.08)	$ (0.04)	$ (0.17)	$ (0.20)

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

No definition available.

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