Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Goodwill and Other Intangible Assets (Narrative) (Details)

v3.10.0.1
Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Amortization of intangible assets $ 8.0 $ 8.8 $ 24.2 $ 26.1
Stratasys-Objet reporting unit [Member]        
Expected cash flow period     5 years  
Growth rate (as a percent)     3.10%  
Discount rate (as a percent)     14.00%  
Percentage of carrying amount exceeds 7.00%   7.00%  
Allocated goodwill $ 387.0   $ 387.0  
Hypothetical decrease in the growth rate of 1% 48.0   48.0  
Hypothetical increase in the growth rate of 1% $ 88.0   $ 88.0