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Redeemable Noncontrolling Interests - Table 2 (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Noncontrolling Interest [Abstract] |  |  |  |
Net income attributable to nonredeemable noncontrolling interests | $ 15.0 | $ 12.7 | $ 43.3 | $ 42.5
Net income attributable to redeemable noncontrolling interests | 4.2 | 3.7 | 9.9 | 11.2
Net income attributable to noncontrolling interests | $ 19.2 | $ 16.4 | $ 53.2 | $ 53.7

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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 + Details
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