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v2.4.1.9

Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash flows from operating activities: |  |  |  |  |  |
Net income | $ 11,946 us-gaap_ProfitLoss |  | $ 44,119 us-gaap_ProfitLoss |  | $ 38,941 us-gaap_ProfitLoss |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |
Benefit of deferred income taxes | (24,555)us-gaap_DeferredIncomeTaxExpenseBenefit |  | (9,892)us-gaap_DeferredIncomeTaxExpenseBenefit |  | (661)us-gaap_DeferredIncomeTaxExpenseBenefit |
Depreciation and amortization | 55,188 us-gaap_DepreciationAndAmortization |  | 30,444 us-gaap_DepreciationAndAmortization |  | 21,229 us-gaap_DepreciationAndAmortization |
Non-cash interest on convertible notes | 224 us-gaap_OtherNoncashExpense |  | 974 us-gaap_OtherNoncashExpense |  | 3,876 us-gaap_OtherNoncashExpense |
Provision for bad debts | 8,699 us-gaap_ProvisionForDoubtfulAccounts |  | 4,961 us-gaap_ProvisionForDoubtfulAccounts |  | 3,039 us-gaap_ProvisionForDoubtfulAccounts |
Stock-based compensation | 32,793 us-gaap_ShareBasedCompensation |  | 13,558 us-gaap_ShareBasedCompensation |  | 5,118 us-gaap_ShareBasedCompensation |
Gain (loss) on the disposition of property and equipment | (227)us-gaap_GainLossOnSaleOfPropertyPlantEquipment |  | 1,128 us-gaap_GainLossOnSaleOfPropertyPlantEquipment |  | (674)us-gaap_GainLossOnSaleOfPropertyPlantEquipment |
Deferred interest income |  |  | (1,018)ddd_DeferredInterestIncome |  |  |
Loss on conversion of convertible debt | 1,806 ddd_GainLossOnConversionOfConvertibleDebt |  | 11,275 ddd_GainLossOnConversionOfConvertibleDebt |  | 7,021 ddd_GainLossOnConversionOfConvertibleDebt |
Changes in operating accounts: |  |  |  |  |  |
Accounts receivable | (55,977)us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables |  | (43,684)us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables |  | (19,246)us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables |
Inventories | (30,754)us-gaap_IncreaseDecreaseInInventories |  | (30,893)us-gaap_IncreaseDecreaseInInventories |  | (12,225)us-gaap_IncreaseDecreaseInInventories |
Prepaid expenses and other current assets | (9,235)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets |  | (1,780)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets |  | (794)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets |
Accounts payable | 23,482 us-gaap_IncreaseDecreaseInAccountsPayable |  | 7,620 us-gaap_IncreaseDecreaseInAccountsPayable |  | (238)us-gaap_IncreaseDecreaseInAccountsPayable |
Accrued liabilities | 16,071 us-gaap_IncreaseDecreaseInAccruedLiabilities |  | (6,495)us-gaap_IncreaseDecreaseInAccruedLiabilities |  | 7,567 us-gaap_IncreaseDecreaseInAccruedLiabilities |
Customer deposits | 1,921 us-gaap_IncreaseDecreaseInCustomerDeposits |  | 1,904 us-gaap_IncreaseDecreaseInCustomerDeposits |  | (1,336)us-gaap_IncreaseDecreaseInCustomerDeposits |
Deferred revenue | 8,686 us-gaap_IncreaseDecreaseInDeferredRevenue |  | 7,526 us-gaap_IncreaseDecreaseInDeferredRevenue |  | 1,164 us-gaap_IncreaseDecreaseInDeferredRevenue |
Other operating assets and liabilities | 11,043 us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet |  | (4,563)us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet |  | (1,251)us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet |
Net cash provided by operating activities | 51,111 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations |  | 25,184 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations |  | 51,530 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations |
Cash flows from investing activities: |  |  |  |  |  |
Purchases of property and equipment | (22,727)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |  | (6,972)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |  | (3,224)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
Additions to license and patent costs | (753)us-gaap_PaymentsToAcquireIntangibleAssets |  | (1,648)us-gaap_PaymentsToAcquireIntangibleAssets |  | (729)us-gaap_PaymentsToAcquireIntangibleAssets |
Proceeds from disposition of property and equipment |  |  | 1,882 us-gaap_ProceedsFromSaleOfProductiveAssets |  |  |
Cash paid for acquisitions, net of cash assumed | (345,361)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired |  | (162,318)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired |  | (183,701)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired |
Other investing activities | (6,600)us-gaap_PaymentsToAcquireEquityMethodInvestments |  | (4,701)us-gaap_PaymentsToAcquireEquityMethodInvestments |  |  |
Net cash used in investing activities | (375,441)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations |  | (173,757)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations |  | (187,654)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations |
Cash flows from financing activities: |  |  |  |  |  |
Proceeds from issuance of common stock | 299,729 us-gaap_ProceedsFromIssuanceOfCommonStock |  | 272,076 us-gaap_ProceedsFromIssuanceOfCommonStock |  | 106,889 us-gaap_ProceedsFromIssuanceOfCommonStock |
Tax benefits from share-based payment arrangements | 7,653 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities |  | 26,038 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities |  | 1,514 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities |
Proceeds from exercise of stock options and restricted stock, net | 1,896 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions |  | 902 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions |  | 4,400 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions |
Cash disbursed in lieu of fractional shares related to stock split |  |  | (176)us-gaap_PaymentsOfCapitalDistribution |  |  |
Restricted cash |  |  | 13 us-gaap_ProceedsFromRepaymentsOfRestrictedCashFinancingActivities |  |  |
Repayment of capital lease obligations | (696)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations |  | (157)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations |  | (163)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations |
Net cash provided by financing activities | 308,582 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations |  | 298,696 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations |  | 112,640 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations |
Effect of exchange rate changes on cash | (5,706)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents |  | 334 us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents |  | 223 us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents |
Net increase (decrease) in cash and cash equivalents | (21,454)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease |  | 150,457 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease |  | (23,261)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease |
Cash and cash equivalents at the beginning of the period | 306,316 us-gaap_CashAndCashEquivalentsAtCarryingValue |  | 155,859 us-gaap_CashAndCashEquivalentsAtCarryingValue |  | 179,120 us-gaap_CashAndCashEquivalentsAtCarryingValue |
Cash and cash equivalents at the end of the period | 284,862 us-gaap_CashAndCashEquivalentsAtCarryingValue |  | 306,316 us-gaap_CashAndCashEquivalentsAtCarryingValue |  | 155,859 us-gaap_CashAndCashEquivalentsAtCarryingValue |
Supplemental Cash Flow Information: |  |  |  |  |  |
Cash interest payments | 888 us-gaap_InterestPaidNet |  | 1,584 us-gaap_InterestPaidNet |  | 9,113 us-gaap_InterestPaidNet |
Cash income tax payments | 15,602 us-gaap_IncomeTaxesPaidNet |  | 5,642 us-gaap_IncomeTaxesPaidNet |  | 3,506 us-gaap_IncomeTaxesPaidNet |
Transfer of equipment from inventory to property and equipment, net | 5,891 ddd_TransferOfEquipmentFromInventoryToPropertyAndEquipmentNet | [1] | 4,886 ddd_TransferOfEquipmentFromInventoryToPropertyAndEquipmentNet | [1] | 4,057 ddd_TransferOfEquipmentFromInventoryToPropertyAndEquipmentNet | [1]
Transfer of equipment to inventory from property and equipment, net | 944 ddd_TransferOfEquipmentToInventoryFromPropertyAndEquipmentNet | [2] | 612 ddd_TransferOfEquipmentToInventoryFromPropertyAndEquipmentNet | [2] | 1,924 ddd_TransferOfEquipmentToInventoryFromPropertyAndEquipmentNet | [2]
Stock issued for acquisitions of businesses | 24,625 us-gaap_StockIssuedDuringPeriodValueAcquisitions |  | 13,131 us-gaap_StockIssuedDuringPeriodValueAcquisitions |  | 7,672 us-gaap_StockIssuedDuringPeriodValueAcquisitions |
Notes redeemed for shares of common stock | $ 12,134 us-gaap_DebtConversionOriginalDebtAmount1 |  | $ 80,754 us-gaap_DebtConversionOriginalDebtAmount1 |  | $ 60,082 us-gaap_DebtConversionOriginalDebtAmount1 |
[1] | Inventory is transferred from inventory to property and equipment at cost when the Company requires additional machines for training or demonstration or for placement into Quickparts locations.
[2] | In general, an asset is transferred from property and equipment, net into inventory at its net book value when the Company has identified a potential sale for a used machine.

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- Definition The amount of cash paid for interest during the period net of cash paid for interest that is capitalized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition Other expenses or losses included in net income that result in no cash outflows or inflows in the period and are not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The net cash inflow or outflow from cash and cash items that are not available for withdrawal or usage. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Article 5 + Details
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- Definition The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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