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Acquisitions (Details) - USD ($) $ in Millions | Nov. 04, 2016 | Mar. 31, 2016 | Feb. 08, 2016 | Dec. 17, 2015
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Wallace [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business acquisition, effective date of acquisition | Nov. 04, 2016 |  |  |
Total purchase consideration | $ 167.4 |  |  |
Identifiable intangible assets | 72.2 |  |  |
Goodwill, acquired during period | 94.8 |  |  |
Recognized identifiable assets (liabilities) | 0.4 |  |  |
Genesis Genetics [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business acquisition, effective date of acquisition |  | Mar. 31, 2016 |  |
Total purchase consideration |  | $ 61.1 |  |
Identifiable intangible assets |  | 28.6 |  |
Goodwill, acquired during period |  | 28.7 |  |
Recognized identifiable assets (liabilities) |  | 3.8 |  |
Payments to acquire businesses, net of cash acquired |  | 60.5 |  |
The Pipette Company [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business acquisition, effective date of acquisition |  |  | Feb. 08, 2016 |
Total purchase consideration |  |  | $ 20.2 |
Identifiable intangible assets |  |  | 5.6 |
Goodwill, acquired during period |  |  | 15.0 |
Recognized identifiable assets (liabilities) |  |  | (0.4) |
Payments to acquire businesses, net of cash acquired |  |  | 19.6 |
Research Instruments [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business acquisition, effective date of acquisition |  |  |  | Dec. 17, 2015
Total purchase consideration |  |  |  | $ 53.6
Identifiable intangible assets |  |  |  | 10.3
Goodwill, acquired during period |  |  |  | 35.8
Recognized identifiable assets (liabilities) |  |  |  | 7.6
Payments to acquire businesses, net of cash acquired |  |  |  | 50.0
Technology | Wallace [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets | 66.5 |  |  |
Technology | Research Instruments [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets |  |  |  | 6.2
Trade Names [Member] | Wallace [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets | 3.2 |  |  |
Trade Names [Member] | Genesis Genetics [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets |  | 3.4 |  |
Trade Names [Member] | The Pipette Company [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets |  |  | 0.4 |
Trade Names [Member] | Research Instruments [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets |  |  |  | 2.2
Customer relationships | Wallace [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets | $ 2.5 |  |  |
Customer relationships | Genesis Genetics [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets |  | $ 25.2 |  |
Customer relationships | The Pipette Company [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets |  |  | $ 5.2 |
Customer relationships | Research Instruments [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets |  |  |  | $ 1.9

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