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

Goodwill and Other Intangible Assets (Narrative) (Details)

v3.8.0.1
Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Amortization of intangible assets $ 8.1 $ 8.7
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%  
Allocated goodwill $ 387.0  
Hypothetical decrease in the growth rate of 1% 48.0  
Hypothetical increase in the growth rate of 1% $ 88.0