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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (USD $) In Millions, unless otherwise specified | Total | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Income | Retained Earnings | Treasury Stock at Cost | Non-controlling interests
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2011 | $ 2,499.6 | $ 0.5 | $ 927.5 | $ 50.0 | $ 1,176.7 | $ (288.7) | $ 633.6
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Stock issued under option and other incentive plans | 45.7 |  | (37.5) |  |  | 83.2 |
Tax benefit of option exercises | 13.0 |  | 13.0 |  |  |  |
Changes in Affiliate equity value | (57.8) |  | (72.6) |  |  |  | 14.8
Share-based payment arrangements | 24.9 |  | 24.9 |  |  |  |
Distributions to non-controlling interests | (140.1) |  |  |  |  |  | (140.1)
Investments in Affiliates | 240.6 |  |  |  |  |  | 240.6
Repurchase of common shares | (60.9) |  |  |  |  | (60.9) |
Net income | 272.0 |  |  |  | 98.9 |  | 173.1
Other comprehensive income | 17.7 |  |  | 16.0 |  |  | 1.7
Balance at Sep. 30, 2012 | $ 2,854.7 | $ 0.5 | $ 855.3 | $ 66.0 | $ 1,275.6 | $ (266.4) | $ 923.7

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