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Business Acquisitions - Early Discovery, Additional Information (Details) € in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Apr. 01, 2014 USD ($) | Jun. 27, 2015 USD ($) | Mar. 28, 2015 USD ($) | Jun. 28, 2014 USD ($) | Jun. 27, 2015 USD ($) | Jun. 28, 2014 USD ($) | Jun. 27, 2015 EUR (€) | Jun. 27, 2015 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Gain from contingent liability earn-out period |  |  | $ 800,000 |  |  |  |  |
Revenue |  | $ 20,100,000 |  | $ 23,500,000 | $ 40,700,000 |  |  |
Operating loss |  |  |  | 1,700,000 | 1,400,000 | $ 100,000 |  |
Pro forma adjustments, acquisitions | $ 3,700,000 |  |  |  |  |  |  |
Early Discovery UK |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Percentage of voting interests acquired | 100.00% |  |  |  |  |  |  |
Acquisition purchase price | $ 191,800,000 |  |  |  |  |  |  |
Contingent consideration | 900,000 |  |  |  |  |  |  |
Aggregate undiscounted amount of contingent consideration |  |  |  |  |  |  | € 5.0 | $ 5,600,000
Purchase price allocation, net of cash | 183,594,000 |  |  |  |  |  |  |
Purchase price allocation, cash | $ 8,200,000 |  |  |  |  |  |  |
Acquisition related adjustments (less than $0.1 million in 2015) |  | $ 87,000 |  | $ 1,600,000 | $ 87,000 | $ 4,900,000 |  |

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- Definition Cash Acquired From Business Acquisition + References No definition available. + Details
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- Definition Payments to Acquire Business, Net of Cash Acquired + References No definition available. + Details
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- Definition Pro Forma Adjustments, Acquisitions - pro forma adjustments for amortization of intangibles assets and depreciation of fixed assets acquired in a business combination + References No definition available. + Details
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- Definition Amount of direct costs of the business combination or disposition including legal, accounting, and other costs incurred to consummate the business acquisition or disposition. + 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 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=56956515&loc=d3e1392-128463 + 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=56956515&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=56956515&loc=d3e1392-128463 + Details
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