Stratasys Ltd. Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Fair Value Measurement (Schedule of Fair Value Measurements) (Details)

Fair Value Measurement (Schedule of Fair Value Measurements) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Long term investment		$ 1,634us-gaap_MarketableSecurities
Derivative liabilities, net	(36,047)	(28,480)
Level 2 [Member]
Long term investment		1,634
Derivative liabilities, net	(391)	545
Level 3 [Member]
Long term investment
Derivative liabilities, net	(35,656)	(29,025)
Foreign Exchange Future [Member]
Derivative assets, net	3,753	301
Derivative liabilities, net	(2,901)	(1,543)
Foreign Exchange Future [Member] \| Level 2 [Member]
Derivative assets, net	3,753	301
Derivative liabilities, net	(2,901)	(1,543)
Foreign Exchange Future [Member] \| Level 3 [Member]
Derivative assets, net
Derivative liabilities, net
Foreign Exchange Future Two [Member]
Derivative assets, net		153
Derivative liabilities, net	(1,243)
Foreign Exchange Future Two [Member] \| Level 2 [Member]
Derivative assets, net		153
Derivative liabilities, net	(1,243)
Foreign Exchange Future Two [Member] \| Level 3 [Member]
Derivative assets, net
Derivative liabilities, net
Obligations in connection with acquisitions [Member]
Derivative liabilities, net	(35,656)	(29,025)
Obligations in connection with acquisitions [Member] \| Level 2 [Member]
Derivative liabilities, net
Obligations in connection with acquisitions [Member] \| Level 3 [Member]
Derivative liabilities, net	$ (35,656)	$ (29,025)

- Definition

Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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