Redeemable Noncontrolling Interests - Table 2 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Redeemable Noncontrolling Interest [Line Items]
Net income attributable to nonredeemable noncontrolling interest	$ 13.6	$ 12.8
Net income attributable to redeemable noncontrolling interest	2.9	2.0
Net income attributable to noncontrolling interests	$ 16.5	$ 14.8

Amount of Net Income (Loss) attributable to noncontrolling interest.

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Portion of net income (loss) attributable to nonredeemable noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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