Contingent Consideration - Maximum Amounts of Cash Obligations with Business Acquisitions and Strategic Investment (Details) $ in Millions	Sep. 30, 2016 USD ($)
Options To Acquire Additional Investments
Business Acquisition, Contingent Consideration [Line Items]
Total maximum cash obligations	$ 369.4
Liability recognized on financial statements	90.2
Performance-based \| Contingent cash consideration
Business Acquisition, Contingent Consideration [Line Items]
Amount of the maximum contingent cash obligations associated with business acquisitions that are unlikely to be paid	$ 310.3

Amount of the maximum contingent cash obligations associated with business acquisitions that are unlikely to be paid

No definition available.

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- Definition

Business acquisition contingent consideration potential cash payments.

+ 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 amount of liability arising from an inherited contingency (as defined) which has been recognized as of 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=73531372&loc=d3e2207-128464

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