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v3.8.0.1

Consolidated Statement of Shareholders' Equity - USD ($) shares in Thousands, $ in Millions | Total | Common Stock [Member] | Capital in Excess of Par Value [Member] | Accumulated Deficit [Member] | Accumulated Other Comprehensive Loss [Member] | Treasury Stock [Member] | Noncontrolling Interests [Member]
--- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning of period (shares) at Dec. 31, 2014 |  | 87,800 |  |  |  |  |
Balance at beginning of period at Dec. 31, 2014 | $ 619.5 | $ 1.0 | $ 2,810.5 | $ (1,879.1) | $ (0.5) | $ (458.7) | $ 146.3
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 239.0 |  |  | 183.1 |  |  | 55.9
Conversion of convertible debt, net of tax (shares) |  | 3,300 |  |  |  |  |
Conversion of preferred stock | 93.2 |  | 93.2 |  |  |  |
Receipt of treasury stock (shares) |  | (500) |  |  |  |  |
Receipt of treasury stock | (17.2) |  |  |  |  | (17.2) |
Dividends declared on common stock | (79.9) |  | (79.9) |  |  |  |
Dividends declared on convertible perpetual preferred stock | (1.6) |  | (1.6) |  |  |  |
Stock-based compensation | 22.4 |  | 22.4 |  |  |  |
Stock options exercised (shares) |  | 200 |  |  |  |  |
Stock options exercised | 2.3 |  | 6.7 |  |  | (4.4) |
Distributions declared | (49.0) |  |  |  |  |  | (49.0)
Repurchases of common stock in open market (shares) |  | (1,300) |  |  |  |  |
Repurchases of common stock in open market | (45.3) |  |  |  |  | (45.3) |
Capital contributions from consolidated affiliates | 14.8 |  |  |  |  |  | 14.8
Fair value adjustments to redeemable noncontrolling interests, net of tax | (18.2) |  | (18.2) |  |  |  |
Other (shares) |  | 600 |  |  |  |  |
Other | (0.7) | $ 0.1 | 1.8 |  | (0.7) | (1.8) | (0.1)
Balance at end of period (shares) at Dec. 31, 2015 |  | 90,100 |  |  |  |  |
Balance at end of period at Dec. 31, 2015 | 779.3 | $ 1.1 | 2,834.9 | (1,696.0) | (1.2) | (527.4) | 167.9
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 304.0 |  |  | 247.6 |  |  | 56.4
Receipt of treasury stock (shares) |  | (500) |  |  |  |  |
Receipt of treasury stock | (11.6) |  |  |  |  | (11.6) |
Dividends declared on common stock | (84.9) |  | (84.9) |  |  |  |
Stock-based compensation | 21.4 |  | 21.4 |  |  |  |
Stock options exercised (shares) |  | 600 |  |  |  |  |
Stock options exercised | 5.3 |  | 13.1 |  |  | (7.8) |
Distributions declared | (54.2) |  |  |  |  |  | (54.2)
Repurchases of common stock in open market (shares) |  | (1,700) |  |  |  |  |
Repurchases of common stock in open market | (65.6) |  |  |  |  | (65.6) |
Capital contributions from consolidated affiliates | 19.6 |  |  |  |  |  | 19.6
Fair value adjustments to redeemable noncontrolling interests, net of tax | (6.7) |  | (6.7) |  |  |  |
Windfall tax benefits from share-based compensation | 17.3 |  | 17.3 |  |  |  |
Other (shares) |  | 400 |  |  |  |  |
Other | 4.8 | $ 0.0 | 4.0 |  | 0.0 | (2.3) | 3.1
Balance at end of period (shares) at Dec. 31, 2016 |  | 88,900 |  |  |  |  |
Balance at end of period at Dec. 31, 2016 | 928.7 | $ 1.1 | 2,799.1 | (1,448.4) | (1.2) | (614.7) | 192.8
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 317.5 |  |  | 256.3 |  |  | 61.2
Conversion of convertible debt, net of tax (shares) |  | 8,900 |  |  |  |  |
Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments |  |  | 53.7 |  |  |  |
Conversion of preferred stock | 328.2 |  |  |  |  | 274.5 |
Receipt of treasury stock (shares) |  | (900) |  |  |  |  |
Receipt of treasury stock | (19.8) |  |  |  |  | (19.8) |
Dividends declared on common stock | (95.2) |  | (95.2) |  |  |  |
Stock-based compensation | $ 21.3 |  | 21.3 |  |  |  |
Stock options exercised (shares) | 1,107 | 1,100 |  |  |  |  |
Stock options exercised | $ 1.1 |  | 20.4 |  |  | (19.3) |
Stock warrants exercised (shares) |  | 700 |  |  |  |  |
Stock warrants exercised | 26.6 |  | 26.6 |  |  |  |
Distributions declared | (50.5) |  |  |  |  |  | (50.5)
Repurchases of common stock in open market (shares) |  | (900) |  |  |  |  |
Repurchases of common stock in open market | (38.1) |  |  |  |  | (38.1) |
Capital contributions from consolidated affiliates | 46.2 |  |  |  |  |  | 46.2
Fair value adjustments to redeemable noncontrolling interests, net of tax | (41.0) |  | (41.0) |  |  |  |
Other (shares) |  | 500 |  |  |  |  |
Other | (0.4) |  | 6.5 | 1.1 | (0.1) | (1.1) | (6.8)
Balance at end of period (shares) at Dec. 31, 2017 |  | 98,300 |  |  |  |  |
Balance at end of period at Dec. 31, 2017 | $ 1,424.6 | $ 1.1 | $ 2,791.4 | $ (1,191.0) | $ (1.3) | $ (418.5) | $ 242.9

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