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Represents the amount of research and development expenses that has been offset by the payment received from companies with whom the entity has entered into an agreement.

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Tax contingencies settlement percentage

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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The estimate of minimum payments on sales-type leases that are probable of not being collected as of the balance sheet date.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Certain changes made in the current period to the value and amount of inventory reported.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Nature of Operations and Summary of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended			3 Months Ended
	Dec. 31, 2014 item	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Number of operating segments	1us-gaap_NumberOfOperatingSegments
Accounts Receivable and Net investment in sales-type leases
Allowance for doubtful accounts receivable	$ 1,025,000	$ 1,804,000		$ 1,025,000
Allowance for doubtful accounts due to investment in sales-type leases	452,000	183,000		452,000
Inventories
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Goodwill
Goodwill	1,323,502,000us-gaap_Goodwill	1,195,891,000us-gaap_Goodwill	822,500,000us-gaap_Goodwill	1,323,502,000us-gaap_Goodwill
Goodwill impairment	102,470,000us-gaap_GoodwillImpairmentLoss
Other Intangible Assets
Advertising costs	23,500,000us-gaap_AdvertisingExpense	13,500,000us-gaap_AdvertisingExpense	4,800,000us-gaap_AdvertisingExpense
Research and Development Costs
Number of manufacturing companies to jointly advance of proprietary technology agreements	3
Research and development, net	4,600,000	3,600,000	3,200,000
Maximum additional tax rate on distribution of dividends	10.00%
Settlement percentage	50.00%
Stock-Based Compensation
Expected dividend rate (as a percent)	0.00%
Business Combinations
Maximum measurement period of revision of consideration transferred	1 year
IPR&D - Printers [Member]
Other Intangible Assets
Impairment charges	3,000,000
Developed Technology [Member]
Other Intangible Assets
Impairment charges				11,600,000
MakerBot [Member]
Goodwill
Excess percentage of fair value of goodwill	5.00%
Goodwill	376,000,000			376,000,000
Goodwill impairment	102,500,000
Expected term	5 years
Growth rate (as a percent)	3.50%
Discount rate (as a percent)	13.50%
Decrease in growth rate (as a percent)	(1.00%)
Increase in discount rate (as a percent)	1.00%
Decrease in fair value of goodwill due to change in growth rate	28,900,000
Decrease in fair value of goodwill due to change in discount rate	$ 45,200,000
Stratasys Shareholders [Member]
Ownership percentage	55.00%			55.00%
Objet Shareholders [Member]
Ownership percentage	45.00%			45.00%