XML 37 R25.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Intangible Assets (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets Other Than Goodwill | Intangible assets, net, other than goodwill, at September 30, 2018 and December 31, 2017 are summarized as follows:
﻿ | 2018 |  | 2017 |  |
(in thousands) | Gross (a) |  | Accumulated Amortization |  | Net |  | Gross (a) |  | Accumulated Amortization |  | Net |  | Weighted Average Useful Life Remaining (in years)
Intangible assets with finite lives: |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships | $ | 103,833 |  |  | $ | (64,853 | ) |  | $ | 38,980 |  |  | $ | 105,505 |  |  | $ | (57,796 | ) |  | $ | 47,709 |  |  | 6
Acquired technology | 49,032 |  |  | (42,677 | ) |  | 6,355 |  |  | 54,716 |  |  | (39,644 | ) |  | 15,072 |  |  | 2
Trade names | 25,200 |  |  | (17,111 | ) |  | 8,089 |  |  | 25,813 |  |  | (15,552 | ) |  | 10,261 |  |  | 6
Patent costs | 18,061 |  |  | (8,086 | ) |  | 9,975 |  |  | 17,909 |  |  | (7,338 | ) |  | 10,571 |  |  | 15
Trade secrets | 19,393 |  |  | (13,066 | ) |  | 6,327 |  |  | 19,431 |  |  | (11,530 | ) |  | 7,901 |  |  | 4
Acquired patents | 16,220 |  |  | (12,761 | ) |  | 3,459 |  |  | 16,661 |  |  | (11,969 | ) |  | 4,692 |  |  | 8
Other | 19,624 |  |  | (18,350 | ) |  | 1,274 |  |  | 20,012 |  |  | (17,435 | ) |  | 2,577 |  |  | 2
Total intangible assets | $ | 251,363 |  |  | $ | (176,904 | ) |  | $ | 74,459 |  |  | $ | 260,047 |  |  | $ | (161,264 | ) |  | $ | 98,783 |  |  | 6
(a) Change in gross carrying amounts consists primarily of charges for license and patent costs and foreign currency translation.

X
- Definition Schedule of Finite And Indefinite-Lived Intangible Assets [Table Text Block] + References No definition available. + Details
Name: | ddd_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | ddd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration