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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings | Treasury Stock at Cost | Non- controlling Interests
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance (in shares) at Dec. 31, 2014 | 55.8 |  |  |  |  |  |
Beginning Balance at Dec. 31, 2014 | $ 3,643.2 | $ 0.6 | $ 763.4 | $ 31.8 | $ 2,072.1 | $ (240.9) | $ 1,016.2
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income | 827.2 |  |  |  | 509.5 |  | 317.7
Other comprehensive income (loss) | (69.2) |  |  | (49.9) |  |  | (19.3)
Share-based compensation | 34.2 |  | 34.2 |  |  |  |
Common stock issued under share-based incentive plans | 54.0 |  | (131.0) |  |  | 185.0 |
Tax benefit from share-based incentive plans | 44.5 |  | 44.5 |  |  |  |
Shares repurchases | (366.0) |  |  |  |  | (366.0) |
Investments in Affiliates | 33.8 |  |  |  |  |  | 33.8
Affiliate equity activity: |  |  |  |  |  |  |
Affiliate equity expense | 68.5 |  | 16.9 |  |  |  | 51.6
Issuances | 1.7 |  | 0.1 |  |  |  | 1.6
Repurchases | 48.0 |  | 48.4 |  |  |  | (0.4)
Changes in redemption value of Redeemable non-controlling interests | (81.6) |  | (81.6) |  |  |  |
Transfers to Redeemable non-controlling interests | (49.5) |  |  |  |  |  | (49.5)
Capital Contributions by Affiliate equity holders | 11.7 |  |  |  |  |  | 11.7
Distributions to non-controlling interests | $ (431.4) |  |  |  |  |  | (431.4)
Ending Balance (in shares) at Dec. 31, 2015 | 55.8 |  |  |  |  |  |
Ending Balance at Dec. 31, 2015 | $ 3,769.1 | 0.6 | 694.9 | (18.1) | 2,581.6 | (421.9) | 932.0
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income | 739.0 |  |  |  | 472.8 |  | 266.2
Other comprehensive income (loss) | (150.4) |  |  | (104.8) |  |  | (45.6)
Share-based compensation | 39.2 |  | 39.2 |  |  |  |
Common stock issued under share-based incentive plans | 15.5 |  | (53.8) |  |  | 69.3 |
Shares repurchases | (33.4) |  |  |  |  | (33.4) |
Forward equity | $ 5.2 |  | 5.2 |  |  |  |
Common stock issued under forward equity agreement (in shares) | 2.7 |  |  |  |  |  |
Common stock issued under forward equity agreement | $ 440.3 | 0.0 | 440.3 |  |  |  |
Issuance costs and other | (3.0) |  | (3.0) |  |  |  |
Affiliate equity activity: |  |  |  |  |  |  |
Affiliate equity expense | 41.2 |  | 10.0 |  |  |  | 31.2
Issuances | 11.9 |  | (2.8) |  |  |  | 14.7
Repurchases | 15.3 |  | 14.9 |  |  |  | 0.4
Changes in redemption value of Redeemable non-controlling interests | (71.4) |  | (71.4) |  |  |  |
Transfers to Redeemable non-controlling interests | (42.6) |  |  |  |  |  | (42.6)
Capital Contributions by Affiliate equity holders | 4.7 |  |  |  |  |  | 4.7
Distributions to non-controlling interests | $ (354.1) |  |  |  |  |  | (354.1)
Ending Balance (in shares) at Dec. 31, 2016 | 58.5 |  |  |  |  |  |
Ending Balance at Dec. 31, 2016 | $ 4,426.5 | 0.6 | 1,073.5 | (122.9) | 3,054.4 | (386.0) | 806.9
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income | 1,008.7 |  |  |  | 689.5 |  | 319.2
Other comprehensive income (loss) | 119.5 |  |  | 101.1 |  |  | 18.4
Share-based compensation | 40.4 |  | 40.4 |  |  |  |
Common stock issued under share-based incentive plans | 21.0 |  | (117.6) |  |  | 138.6 |
Shares repurchases | (416.3) |  |  |  |  | (416.3) |
Issuance costs and other | 0.6 |  | 0.6 |  |  |  |
Dividends ($0.80 per share) | (45.4) |  |  |  | (45.4) |  |
Affiliate equity activity: |  |  |  |  |  |  |
Affiliate equity expense | 50.0 |  | 13.2 |  |  |  | 36.8
Issuances | 3.1 |  | (0.6) |  |  |  | 3.7
Repurchases | 34.6 |  | 40.6 |  |  |  | (6.0)
Changes in redemption value of Redeemable non-controlling interests | (241.5) |  | (241.5) |  |  |  | 0.0
Transfers to Redeemable non-controlling interests | (76.8) |  |  |  |  |  | (76.8)
Capital Contributions by Affiliate equity holders | 6.3 |  |  |  |  |  | 6.3
Distributions to non-controlling interests | $ (352.2) |  |  |  |  |  | (352.2)
Ending Balance (in shares) at Dec. 31, 2017 | 58.5 |  |  |  |  |  |
Ending Balance at Dec. 31, 2017 | $ 4,578.5 | $ 0.6 | $ 808.6 | $ (21.8) | $ 3,698.5 | $ (663.7) | $ 756.3

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