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Acquisitions - Allocation of Consideration Transferred (Detail) - USD ($) $ in Millions |  |  | 6 Months Ended |
--- | --- | --- | --- | ---
Aug. 31, 2016 | May 31, 2015 | Dec. 31, 2016 | Jun. 30, 2016
Business Acquisition [Line Items] |  |  |  |
Goodwill |  |  | $ 315.4 | $ 195.3
Total cash consideration transferred |  |  | 216.1 |
Assurex [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Current assets | $ 18.2 |  |  |
Intangible assets | 295.6 |  |  |
Equipment | 1.8 |  |  |
Goodwill | 120.5 |  | $ 120.5 | $ 116.3
Current liabilities | (18.6) |  |  |
Deferred tax liability | (65.9) |  |  |
Total fair value purchase price | 351.6 |  |  |
Less: Contingent consideration | (130.0) |  |  |
Less: Cash acquired | (5.5) |  |  |
Total cash consideration transferred | $ 216.1 |  |  |
Sividon Diagnostics GmbH [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Current assets |  | $ 2.7 |  |
Intangible assets |  | 45.4 |  |
Equipment |  | 0.3 |  |
Goodwill |  | 18.9 |  |
Current liabilities |  | (15.4) |  |
Total fair value purchase price |  | 51.9 |  |
Less: Contingent consideration |  | (10.9) |  |
Less: Cash acquired |  | (2.0) |  |
Total cash consideration transferred |  | $ 39.0 |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + 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 Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. + 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 Amount of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment, acquired at the acquisition date. + 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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