v3.8.0.1

Acquisitions Narrative (Details) $ / shares in Units, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 19, 2017 USD ($) $ / shares | Dec. 31, 2017 USD ($) business | Dec. 31, 2016 USD ($) business | Dec. 31, 2015 USD ($) business | Aug. 31, 2017
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses, net of cash acquired |  | $ 1,556.6 | $ 190.1 | $ 37.1 |
Gain from acquisition |  | 15.3 | 0.0 | 0.0 |
Goodwill attributable to acquisitions |  | 1,035.2 | 113.2 |  |
Acquisitions, 2017 [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses, net of cash acquired |  | 1,556.6 |  |  |
Goodwill attributable to acquisitions |  | $ 1,035.2 |  |  |
Number of businesses acquired | business |  | 3 |  |  |
Transaction costs |  | $ 19.0 |  |  |
Goodwill, purchase accounting adjustments |  | 56.0 |  |  |
Others |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses, net of cash acquired |  | 799.9 |  |  |
Revenue of prior fiscal year |  |  | 246.0 |  |
Goodwill attributable to acquisitions |  | 520.8 |  |  |
Acquisitions, Landauer [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Acquisition, share price (USD per Share) | $ / shares | $ 67.25 |  |  |  |
Payments to acquire businesses, net of cash acquired | $ 760.0 | 756.7 |  |  |
Revenue of prior fiscal year |  |  | 143.0 |  |
Goodwill attributable to acquisitions |  | 514.4 |  |  |
Acquisitions, Orpak [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  | 80.00%
Gain from acquisition |  | $ 15.3 |  |  |
Acquisitions, 2016 [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses, net of cash acquired |  |  | 190.1 |  |
Revenue of prior fiscal year |  |  | 47.0 |  |
Goodwill attributable to acquisitions |  |  | $ 113.2 |  |
Number of businesses acquired | business |  |  | 3 |  |
Acquisitions, 2015 [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses, net of cash acquired |  |  |  | 37.1 |
Revenue of prior fiscal year |  |  |  | 18.0 |
Goodwill attributable to acquisitions |  |  |  | $ 21.2 |
Number of businesses acquired | business |  |  |  | 2 |

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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 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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