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Business Combinations - Additional Information (Details) - USD ($) $ in Thousands |  |  |  |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 08, 2016 | Jan. 05, 2016 | Apr. 30, 2015 | Apr. 21, 2015 | Dec. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2017 | Apr. 29, 2014
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price of acquisition |  |  |  |  |  | $ 312,158 | $ 25,507 | $ 20,723 |  |
Goodwill |  |  |  |  | $ 147,906 | 327,724 | 147,906 | 122,720 |  |
Goodwill, purchase accounting adjustments |  |  |  |  |  | 1,200 |  |  |  |
Provisional accounting, accounts receivable |  |  |  |  |  | 1,600 |  |  |  |
Provisional accounting, inventory |  |  |  |  |  | 1,100 |  |  |  |
Business Combiinations, Provisional Information, Initial Accounting Incomplete, Adjustment for Other Assetsa and Liabilities |  |  |  |  |  | (3,900) |  |  |  |
Amortization of intangible assets |  |  |  |  |  | 36,100 | 6,900 | 4,600 |  |
Gain related to contingent liability |  |  |  |  |  | 600 | 0 | 0 |  |
Difference between fair value and carrying value as a gain |  |  |  |  |  | 0 | 3,443 | $ 0 |  |
Avantec |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of minority interest |  |  |  |  |  |  |  |  |  | 15.00%
Carrying book value of previous equity interest |  |  | $ 1,300 |  |  |  |  |  |  |
Aesynt Holding, L.P., Aesynt, Ltd. |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price of acquisition |  |  |  |  |  | 271,500 |  |  |  |
Cash acquired from Acquisition |  |  |  |  |  | 8,200 |  |  |  |
Goodwill |  |  |  |  |  | 163,599 |  |  |  |
Business Combination, Acquisition Related Costs |  | $ 9,300 |  |  | 2,900 | 6,400 |  |  |  |
Revenues |  |  |  |  |  | 155,800 |  |  |  |
Operating Income (Loss) |  |  |  |  |  | 40,500 |  |  |  |
Amortization of intangible assets |  |  |  |  |  | 27,300 |  |  |  |
Total purchase price |  |  |  |  |  | $ 279,622 |  |  |  |
Aesynt Holding, L.P., Aesynt, Ltd. | In-process research and development |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, royalty rate |  | 12.50% |  |  |  |  |  |  |  |
Aesynt Holding, L.P., Aesynt, Ltd. | Trade name |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, royalty rate |  | 0.50% |  |  |  |  |  |  |  |
Aesynt Holding, L.P., Aesynt, Ltd. | Customer relationships |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, discount rate |  | 13.00% |  |  |  |  |  |  |  |
Aesynt Holding, L.P., Aesynt, Ltd. | Backlog |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, discount rate |  | 10.00% |  |  |  |  |  |  |  |
Aesynt Holding, L.P., Aesynt, Ltd. | Non-compete |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, discount rate |  | 13.00% |  |  |  |  |  |  |  |
Aesynt Holding, L.P., Aesynt, Ltd. | Maximum |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Research and Development Acquired In Process, Expected Term |  | 3 years |  |  |  |  |  |  |  |
Aesynt Holding, L.P., Aesynt, Ltd. | Maximum | Developed technology |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, royalty rate |  |  |  |  |  | 8.00% |  |  |  |
Aesynt Holding, L.P., Aesynt, Ltd. | Minimum |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Research and Development Acquired In Process, Expected Term |  | 2 years |  |  |  |  |  |  |  |
Aesynt Holding, L.P., Aesynt, Ltd. | Minimum | Developed technology |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, royalty rate |  |  |  |  |  | 4.00% |  |  |  |
Ateb |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price of acquisition |  |  |  |  |  | $ 40,700 |  |  |  |
Cash acquired from Acquisition |  |  |  |  |  | 900 |  |  |  |
Goodwill |  |  |  |  |  | 20,832 |  |  |  |
Business Acquisition, Transaction Costs |  |  |  |  |  | 1,700 |  |  |  |
Revenues |  |  |  |  |  | 1,700 |  |  |  |
Operating Income (Loss) |  |  |  |  |  | 100 |  |  |  |
Amortization of intangible assets |  |  |  |  |  | 300 |  |  |  |
Total purchase price |  |  |  |  |  | $ 41,602 |  |  |  |
Ateb | Trade name |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, royalty rate |  |  |  |  |  | 0.50% |  |  |  |
Ateb | Customer relationships |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, discount rate |  |  |  |  |  | 15.00% |  |  |  |
Ateb | Non-compete |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, discount rate | 15.00% |  |  |  |  |  |  |  |  |
Ateb | Maximum | Developed technology |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, royalty rate |  |  |  |  |  | 6.00% |  |  |  |
Ateb | Minimum | Developed technology |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value inputs, royalty rate |  |  |  |  |  | 5.00% |  |  |  |
Mach4 |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price of acquisition |  |  |  | $ 16,889 |  |  |  |  |  |
Goodwill |  |  |  | 10,591 |  |  |  |  |  |
Goodwill, purchase accounting adjustments |  |  |  |  | 100 |  |  |  |  |
Total purchase price |  |  |  | 17,286 |  |  |  |  |  |
Amount placed in escrow fund for business acquisition |  |  |  | $ 2,700 |  |  |  |  |  |
Avantec |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price of acquisition |  |  | 20,749 |  |  |  |  |  |  |
Goodwill |  |  | 15,606 |  |  |  |  |  |  |
Total purchase price |  |  | $ 24,141 |  |  |  |  |  |  |
Period after closing date to settle indemnification and other claims |  |  | 18 months |  |  |  |  |  |  |
Percentage of interest acquired |  |  | 85.00% |  |  |  |  |  |  |
Potential earn-out payments |  |  | $ 5,600 |  | $ 3,000 | $ 3,000 | $ 3,000 |  |  |
Earn out payments made |  |  |  |  |  | 3,000 |  |  |  |
Business acquisition, amount withheld for indemnification |  |  | 1,800 |  |  | 1,800 |  |  |  |
Gain related to contingent liability |  |  |  |  |  | $ 600 |  |  |  |
Fair value of equity investment |  |  | 4,700 |  |  |  |  |  |  |
Difference between fair value and carrying value as a gain |  |  | 3,400 |  |  |  |  |  |  |
Payments to acquire business, in cash |  |  | $ 12,000 |  |  |  |  |  |  |
Avantec | Forecast |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |
Potential earn-out payments |  |  |  |  |  |  |  |  | $ 2,400 |

X
- Definition Business Combinations, Provisional Information, Initial Accounting Incomplete, Adjustment for Other Assets and Liabilities + References No definition available. + Details
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- Definition Business Combination, Amount Withheld at Closing for Indemnification + References No definition available. + Details
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- Definition Business Combination, Period Allowed After Closing Date to Settled Indemnification and Other Claims + References No definition available. + Details
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- Definition Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable + References No definition available. + Details
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- Definition Fair Value Inputs, Royalty Rate + References No definition available. + Details
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- Definition Payments to Acquire Business, Gross, Escrow Deposit + References No definition available. + Details
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- Definition Research and Development Acquired In Process, Expected Term + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References No definition available. + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e1043-128460 + Details
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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- Definition The amount, measured at acquisition-date fair value, of all liabilities assumed that arise from contingencies and were recognized by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to inventory acquired in connection with a business combination for which the initial accounting was incomplete. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 4A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=SL65897772-128472 + Details
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- Definition Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). + 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 (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e961-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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